Minecraft 1.21.7 - Lava Chickens!

Improves support for Java 25 and better stability of the compile-time EventBus checks, respectively.

Co-Authored-By: LexManos <[email protected]>

.gitattributes

@@ -3,6 +3,7 @@
 *.patch text eol=lf
 *.java text eol=lf
 *.gradle text eol=crlf
+**/MANIFEST.MF text eol=crlf
 *.png binary
 *.gif binary
 *.exe binary

.gitignore

@@ -41,3 +41,8 @@ src/*/generated/**/.cache/
 
 /ForgeRoot.ipr
 /ForgeRoot.iws
+
+# APT stuff
+/*/.gitignore
+/*/.factorypath
+/*/.apt_generated/

buildSrc/build.gradle

@@ -4,8 +4,8 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.ow2.asm:asm:9.7'
-    implementation 'org.ow2.asm:asm-tree:9.7'
+    implementation 'org.ow2.asm:asm:9.8'
+    implementation 'org.ow2.asm:asm-tree:9.8'
     implementation 'net.minecraftforge:srgutils:0.5.10'
     implementation 'commons-io:commons-io:2.13.0'
     implementation 'com.google.code.gson:gson:2.10.1'

buildSrc/src/main/groovy/net/minecraftforge/forge/tasks/BytecodePredicateFinder.groovy

@@ -3,6 +3,7 @@ package net.minecraftforge.forge.tasks
 import groovy.transform.CompileStatic
 import org.gradle.api.provider.Property
 import org.gradle.api.tasks.Internal
+import org.objectweb.asm.Opcodes
 import org.objectweb.asm.tree.ClassNode
 import org.objectweb.asm.tree.MethodNode
 
@@ -12,13 +13,19 @@ abstract class BytecodePredicateFinder extends BytecodeFinder {
     @Internal
     abstract Property<Closure<Boolean>> getPredicate()
 
-    private final Set<String> matches = new HashSet<>()
+    private final Map<String, List<String>> matches = new TreeMap<>(Comparator.naturalOrder())
 
     @Override
     protected process(ClassNode parent, MethodNode node) {
         for (final current : node.instructions) {
             if (predicate.get().call(parent, node, current)) {
-                matches.add(parent.name)
+                var methods = matches.compute(parent.name, { k, v -> v ?: new ArrayList<>() })
+
+                // only add non-synthetic methods
+                if ((node.access & Opcodes.ACC_SYNTHETIC) == 0) {
+                    methods.add(node.name + node.desc)
+                }
+
                 return
             }
         }
@@ -27,6 +34,15 @@ abstract class BytecodePredicateFinder extends BytecodeFinder {
     @Internal
     @Override
     protected Object getData() {
-        return matches.toSorted(Comparator.naturalOrder()) ?: {throw new RuntimeException('Failed to find any targets, please ensure that method names and descriptors are correct.')}()
+        var array = new ArrayList<Object>()
+        matches.forEach { c, m ->
+            {
+                array.add(
+                        'class': c,
+                        'methods': m
+                )
+            }
+        }
+        return array ?: { throw new RuntimeException('Failed to find any targets, please ensure that method names and descriptors are correct.') }()
     }
 }

build_forge.gradle

@@ -92,18 +92,18 @@ final String MAVEN_PATH = ext.MAVEN_PATH
 final String BINPATCH_TOOL = 'net.minecraftforge:binarypatcher:1.2.0:fatjar'
 final String INSTALLER_TOOLS = 'net.minecraftforge:installertools:1.4.3'
 final String FART = 'net.minecraftforge:ForgeAutoRenamingTool:1.0.6'
-final String S2S_TOOL = 'net.minecraftforge:Srg2Source:8.1.0:fatjar'
+final String S2S_TOOL = 'net.minecraftforge:Srg2Source:8.1.1:fatjar'
 
 configurations {
     // Don't pull all libraries, if we're missing something, add it to the installer list so the installer knows to download it.
     bootstrap  { transitive = false }
-    installer { 
+    installer {
         extendsFrom(bootstrap)
-        transitive = false 
+        transitive = false
     }
-    installerextra { 
+    installerextra {
         extendsFrom(bootstrap)
-        transitive = false 
+        transitive = false
     }
     api.extendsFrom(installer)
 }
@@ -117,14 +117,14 @@ dependencies {
     bootstrap(libs.securemodules) // Has Union file system in it
     bootstrap(libs.unsafe)        // Needed by securemodules
     bootstrap(libs.bundles.asm)   // Needed by securemodules
-    
-    implementation(libs.jopt.simple) { version { strictly '5.0.4' } }
-    
+
+    implementation(libs.jopt.simple)
+
     installer(libs.bootstrap)
     installer(libs.bootstrap.api) // Needed by securemodules
     installer(libs.accesstransformers)
     installer(libs.eventbus)
-    installer(libs.typetools) // Dep of EventBus
+    installer(libs.jspecify) // Dep of EventBus
     installer(libs.forgespi)
     installer(libs.coremods)
     installer(libs.nashorn) // Dep of Coremods
@@ -147,6 +147,8 @@ dependencies {
 
     runtimeOnly(libs.bootstrap)
     runtimeOnly(libs.bootstrap.dev)
+
+    annotationProcessor(libs.eventbus.validator)
 }
 
 tasks.named('extractRangeMap').configure {
@@ -166,7 +168,7 @@ patcher {
 
     runs {
         forge_client {
-            property 'eventbus.checkTypesOnDispatch', 'true'
+            property 'eventbus.api.strictRuntimeChecks', 'true'
             property 'org.lwjgl.system.SharedLibraryExtractDirectory', 'lwjgl_dll'
 
             args '--launchTarget', 'forge_dev_client',
@@ -209,7 +211,6 @@ patcher {
                  '--all',
                  '--validate',
                  '--output', rootProject.file('src/main/generated/'),
-                 '--validate',
                  '--existing', sourceSets.main.resources.srcDirs[0],
                  '--assetsDir', downloadAssets.output,
                  '--assetIndex', "{asset_index}"
@@ -227,6 +228,30 @@ patcher {
                  '--assetsDir', downloadAssets.output,
                  '--assetIndex', "{asset_index}"
         }
+
+        forge_client_data {
+            args '--launchTarget', 'forge_dev_client_data',
+                 '--mod', 'forge',
+                 '--all',
+                 '--output', rootProject.file('src/main/generated/'),
+                 '--existing', sourceSets.main.resources.srcDirs[0],
+                 '--assetsDir', downloadAssets.output,
+                 '--assetIndex', "{asset_index}"
+        }
+
+        forge_client_data_test {
+            source sourceSets.test
+            args '--launchTarget', 'forge_dev',
+                 '--launchEntry', 'minecraft/net.minecraft.client.data.Main',
+                 '--launchData',
+                 '--mod', '.+',
+                 '--all',
+                 '--output', rootProject.file('src/test/generated/'),
+                 '--existing', sourceSets.main.resources.srcDirs[0],
+                 '--existing', sourceSets.test.resources.srcDirs[0],
+                 '--assetsDir', downloadAssets.output,
+                 '--assetIndex', "{asset_index}"
+        }
     }
 }
 
@@ -268,11 +293,11 @@ tasks.register('downloadCrowdin', Download) {
 tasks.userdevConfig.configure {
     configurations.installer.allDependencies.forEach {
         def dep = it.toString()
-        if (it instanceof ProjectDependency) 
+        if (it instanceof ProjectDependency)
             dep = "net.minecraftforge:$it.dependencyProject.name:$it.dependencyProject.version"
         libraries.add(dep)
     }
-    
+
     inject = '' // We don't have a userdev sourceset anymore. Empty as a gradle workaround...
     runs {
         client {
@@ -284,6 +309,13 @@ tasks.userdevConfig.configure {
             args '--assetsDir', '{assets_root}'
         }
 
+        clientData {
+            environment 'MCP_MAPPINGS', '{mcp_mappings}'
+            args '--launchTarget', "forge_userdev_client_data"
+            args '--assetIndex', '{asset_index}'
+            args '--assetsDir', '{assets_root}'
+        }
+
         server {
             environment 'MCP_MAPPINGS', '{mcp_mappings}'
             property 'forge.enableGameTest', 'true'
@@ -381,13 +413,13 @@ tasks.register('extractInheritance', ExtractInheritance) {
     }
 }
 tasks.register("findFinalizeSpawnTargets", BytecodePredicateFinder) {
-    jar = createJoinedSRG.output
+    jar = createClientOfficial.output
     output = rootProject.file('src/main/resources/coremods/finalize_spawn_targets.json')
     predicate = {
         parent, node, insn ->
             return 'net/minecraft/world/level/BaseSpawner' != parent.name // Ignore this class as we special case it.
             && insn.getOpcode().equals(Opcodes.INVOKEVIRTUAL)
-            && insn.name == 'm_6518_'
+            && insn.name == 'finalizeSpawn'
             && insn.desc == '(Lnet/minecraft/world/level/ServerLevelAccessor;Lnet/minecraft/world/DifficultyInstance;Lnet/minecraft/world/entity/EntitySpawnReason;Lnet/minecraft/world/entity/SpawnGroupData;)Lnet/minecraft/world/entity/SpawnGroupData;';
     }
 }
@@ -493,7 +525,7 @@ tasks.register('serverShimJar', Jar) {
         from {
             zipTree(downloadServerShim.output).find { it.name == 'MANIFEST.MF' }
         }
-        
+
         attributes('Class-Path': configurations.bootstrap.resolvedConfiguration.resolvedArtifacts.collect { "libraries/${Util.getMavenInfoFromDep(it).path}" }.join(' '))
     }
     archiveClassifier = 'shim'
@@ -586,7 +618,7 @@ tasks.register('checkJarCompatibility', CheckJarCompatibility) {
     baseLibraries.from(project.tasks.named('createJoinedSRG').flatMap { it.output })
 
     inputJar = project.tasks.named('reobfJar').flatMap { it.output }
-    
+
     commonLibraries.from(project.configurations.minecraftImplementation)
     commonLibraries.from(project.configurations.installer)
 }
@@ -607,11 +639,11 @@ tasks.register('launcherJson', LauncherJson).configure {
 
 tasks.register('installerJson', InstallerJson) {
     icon = rootProject.file('icon.ico')
-    
+
     // Json to install into the client's launcher
     dependsOn(launcherJson)
     input.from(launcherJson.output)
-    
+
     // Download Official Mappings
     dependsOn(downloadClientMappings, downloadServerMappings)
     input.from(downloadClientMappings.output, downloadServerMappings.output)
@@ -923,6 +955,9 @@ tasks.register('mdkZip', Zip) {
         rename 'gitignore\\.txt', '.gitignore'
         rename 'gitattributes\\.txt', '.gitattributes'
     }
+    from(rootProject.file('src/test/java/com/example/examplemod/')) {
+        into('src/main/java/com/example/examplemod/')
+    }
     from(rootProject.file('src/test/generated/mdk_datagen/')) {
         into('src/main/resources/')
         exclude '**/.cache/'
@@ -1056,7 +1091,7 @@ publishing {
             license gradleutils.pom.Licenses.LGPLv2_1
         }
     }
-    
+
     repositories {
         maven gradleutils.publishingForgeMaven
     }

build_shared.gradle

@@ -44,7 +44,7 @@ tasks.withType(JavaCompile).configureEach {
     dependsOn 'processResources' // Needed because we merge the output of this with the output of the compile task. And gradle detects downstream tasks using the output without a hard dep
     options.encoding = 'UTF-8' // Use the UTF-8 charset for Java compilation
     options.warnings = false // Shutup deprecated for removal warnings
-    options.forkOptions.jvmArgs += '-Xmx3G' // Needed to make compiling faster, and not run out of heap space in some cases.
+    options.forkOptions.jvmArgs += '-Xmx6G' // Needed to make compiling faster, and not run out of heap space in some cases.
 }
 
 // Merge the resources and classes into the same directory. We'll need to split them at runtime because
@@ -75,3 +75,11 @@ eclipse {
     // Run when importing the project
     synchronizationTasks generateResources, copyEclipseSettings, eclipseClasspath, eclipseProject
 }
+
+idea {
+    module {
+        // IntelliJ IDEA does not do this by itself anymore...
+        downloadJavadoc = true
+        downloadSources = true
+    }
+}

docs/README.md

@@ -2,16 +2,15 @@
 
 MinecraftForge
 =============
-[![Stable Release](https://img.shields.io/badge/dynamic/json?url=https://files.minecraftforge.net/net/minecraftforge/forge/promotions_slim.json&label=Stable&prefix=1.20.6-&query=$.promos["1.20.6-recommended"]&color=brightgreen&logo=data:image/svg+xml;base64,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)][Download]
-[![Latest Release](https://img.shields.io/badge/dynamic/json?url=https://files.minecraftforge.net/net/minecraftforge/forge/promotions_slim.json&label=Latest&prefix=1.20.6-&query=$.promos["1.20.6-latest"]&color=blue&logo=data:image/svg+xml;base64,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
+[![Stable Release](https://img.shields.io/badge/dynamic/json?url=https://files.minecraftforge.net/net/minecraftforge/forge/promotions_slim.json&label=Stable&prefix=1.21.4-&query=$.promos["1.21.4-recommended"]&color=brightgreen&logo=data:image/svg+xml;base64,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)][Download]
+[![Latest Release](https://img.shields.io/badge/dynamic/json?url=https://files.minecraftforge.net/net/minecraftforge/forge/promotions_slim.json&label=Latest&prefix=1.21.5-&query=$.promos["1.21.5-latest"]&color=blue&logo=data:image/svg+xml;base64,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
 )][Download] [![Discord](https://img.shields.io/discord/313125603924639766.svg?color=%237289da&label=Discord&logo=discord&logoColor=%237289da)][Discord] [![Support](https://img.shields.io/badge/Patreon-Support-orange.svg?logo=Patreon)][Patreon]
 
 Forge is a free, open-source modding API all of your favourite mods use!
 
-| Version |    Support    |
-|---------| ------------- |
-| 1.20.x  |    Active     |
-| 1.19.x  |    Legacy     |
+| Version      | Support                     |
+|--------------|-----------------------------|
+| All versions | [Supported][Support-Policy] |
 
 * [Download]
 * [Forum]
@@ -31,6 +30,19 @@ You can download the installer for the *Recommended Build* or the
  
 For support and questions, visit [the Support Forum][Support-Forum] or [the Forge Discord server][Discord].
 
+## Required Java Versions
+
+We require the version of Java that Minecraft requires, which is currently:
+
+| Minecraft     | Java              |
+|---------------|-------------------|
+| 1.20.6+       | [21][Adoptium-21] |
+| 1.18 - 1.20.4 | [17][Adoptium-17] |
+| 1.17.1        | [16][Adoptium-16] |
+| 1.16.5-       | [8][Adoptium-8]   |
+
+**If you are on Windows and have difficulty using Java to launch JAR files, consider using [Jarfix by Johann Löfflmann][Jarfix].**
+
 # Creating Mods
 
 [See the "Getting Started" section in the Forge Documentation][Getting-Started].
@@ -58,13 +70,25 @@ Please ensure you have a valid email address associated with your GitHub account
  to use and modify. However, it costs money to run such a large project as this, so please consider 
  [becoming a patron][Patreon].*
 
+### Thanks
+[![YourKit](https://www.yourkit.com/images/yklogo.png)](https://www.yourkit.com/)
+
+YourKit for providing us accesss to their [YourKit Java Profiler] which helps identify bottlenecks and places for improvment.
+
 [Contributing]: ./CONTRIBUTING.md
 [CLA]: https://cla-assistant.io/MinecraftForge/MinecraftForge
 
 [Download]: https://files.minecraftforge.net/
 
+[Adoptium-21]: https://adoptium.net/temurin/releases/?version=21
+[Adoptium-17]: https://adoptium.net/temurin/releases/?version=17
+[Adoptium-16]: https://adoptium.net/temurin/releases/?version=16
+[Adoptium-8]: https://adoptium.net/temurin/releases/?version=8
+[Jarfix]: https://johann.loefflmann.net/en/software/jarfix/index.html
+
 [Forum]: https://forums.minecraftforge.net/
 [Support-Forum]: https://forums.minecraftforge.net/forum/18-support-bug-reports/
+[Support-Policy]: https://forums.minecraftforge.net/topic/144690-new-tiered-support-policy
 
 [Discord]: https://discord.minecraftforge.net/
 
@@ -74,3 +98,4 @@ Please ensure you have a valid email address associated with your GitHub account
 [Pull-Requests]: https://docs.minecraftforge.net/en/latest/forgedev/#making-changes-and-pull-requests
 
 [Patreon]: https://www.patreon.com/LexManos
+[YourKit Java Profiler]: https://www.yourkit.com/java/profiler/

fmlcore/build.gradle

@@ -10,9 +10,10 @@ plugins {
 apply from: rootProject.file('build_shared.gradle')
 
 dependencies {
-    compileOnly(libs.nulls)
+    compileOnly(libs.jetbrains.annotations)
 
     api(libs.eventbus)
+    annotationProcessor(libs.eventbus.validator)
 
     implementation(project(':fmlloader'))
     implementation(libs.commons.io)

fmlcore/src/main/java/net/minecraftforge/fml/Bindings.java

@@ -5,7 +5,7 @@
 
 package net.minecraftforge.fml;
 
-import net.minecraftforge.eventbus.api.IEventBus;
+import net.minecraftforge.eventbus.api.bus.BusGroup;
 import net.minecraftforge.fml.config.IConfigEvent;
 import net.minecraftforge.fml.loading.FMLLoader;
 
@@ -29,7 +29,7 @@ public class Bindings {
     /**
      * @return A supplier of net.minecraftforge.common.MinecraftForge#EVENT_BUS
      */
-    public static Supplier<IEventBus> getForgeBus() {
+    public static Supplier<BusGroup> getForgeBus() {
         return PROVIDER.getForgeBusSupplier();
     }
 

fmlcore/src/main/java/net/minecraftforge/fml/DistExecutor.java

@@ -25,7 +25,18 @@ import java.util.function.Supplier;
  * <li>When you want to call one thing on one side, another thing on the other and return a result {@link #safeRunForDist(Supplier, Supplier)}</li>
  * <li>When you want to run something on one side {@link #safeRunWhenOn(Dist, Supplier)}</li>
  * </ul>
+ *
+ * @deprecated Historically, this allowed for safe execution of code on the correct side by exploiting a low-level
+ * detail in Java 8, but in newer versions a simple if check is enough.
+ * <br>
+ * For example:
+ * <pre>{@code
+ * if (FMLEnvironment.dist.isClient()) {
+ *     // client code here
+ * }
+ * }</pre>
  */
+@Deprecated(since = "1.21.5", forRemoval = true)
 public final class DistExecutor
 {
     private static final Logger LOGGER = LogManager.getLogger();

fmlcore/src/main/java/net/minecraftforge/fml/IBindingsProvider.java

@@ -5,13 +5,13 @@
 
 package net.minecraftforge.fml;
 
-import net.minecraftforge.eventbus.api.IEventBus;
+import net.minecraftforge.eventbus.api.bus.BusGroup;
 import net.minecraftforge.fml.config.IConfigEvent;
 
 import java.util.function.Supplier;
 
 public interface IBindingsProvider {
-    Supplier<IEventBus> getForgeBusSupplier();
+    Supplier<BusGroup> getForgeBusSupplier();
     Supplier<I18NParser> getMessageParser();
     Supplier<IConfigEvent.ConfigConfig> getConfigConfiguration();
 }

fmlcore/src/main/java/net/minecraftforge/fml/IModLoadingState.java

@@ -5,8 +5,6 @@
 
 package net.minecraftforge.fml;
 
-import net.minecraftforge.eventbus.api.Event;
-import net.minecraftforge.fml.event.IModBusEvent;
 import net.minecraftforge.fml.loading.progress.ProgressMeter;
 
 import java.util.Optional;
@@ -61,27 +59,27 @@ public interface IModLoadingState {
     /**
      * Builds the transition task for this state with a blank pre-sync and post-sync task.
      *
-     * @param <T>              a type of event fired on the mod-specific event bus
      * @param syncExecutor     a synchronous executor
      * @param parallelExecutor a parallel executor
      * @param progressBar      a progress meter for tracking progress
      * @return a transition task for this state
      * @see #buildTransition(Executor, Executor, ProgressMeter, Function, Function)
      */
-    default <T extends Event & IModBusEvent>
-    Optional<CompletableFuture<Void>> buildTransition(final Executor syncExecutor,
-                                                      final Executor parallelExecutor,
-                                                      final ProgressMeter progressBar) {
+    default Optional<CompletableFuture<Void>> buildTransition(
+        final Executor syncExecutor,
+        final Executor parallelExecutor,
+        final ProgressMeter progressBar
+    ) {
         return buildTransition(syncExecutor, parallelExecutor, progressBar,
-                e -> CompletableFuture.runAsync(() -> {}, e),
-                e -> CompletableFuture.runAsync(() -> {}, e));
+            e -> CompletableFuture.completedFuture(null),
+            e -> CompletableFuture.completedFuture(null)
+        );
     }
 
     /**
      * Builds the transition task for this state. The pre-sync and post-sync task functions allow the transition builder
      * to run these tasks on the same executor as the actual event dispatch and pre/post hooks.
      *
-     * @param <T>              a type of event fired on the mod-specific event bus
      * @param syncExecutor     a synchronous executor
      * @param parallelExecutor a parallel executor
      * @param progressBar      a progress meter for tracking progress
@@ -89,7 +87,6 @@ public interface IModLoadingState {
      * @param postSyncTask     a function which returns a task to run after event post-dispatch hook
      * @return a transition task for this state
      */
-    <T extends Event & IModBusEvent>
     Optional<CompletableFuture<Void>> buildTransition(final Executor syncExecutor,
                                                       final Executor parallelExecutor,
                                                       final ProgressMeter progressBar,

fmlcore/src/main/java/net/minecraftforge/fml/IModStateTransition.java

@@ -5,12 +5,9 @@
 
 package net.minecraftforge.fml;
 
-import net.minecraftforge.eventbus.api.Event;
 import net.minecraftforge.fml.event.IModBusEvent;
 import net.minecraftforge.fml.loading.progress.ProgressMeter;
 
-import java.util.ArrayList;
-import java.util.List;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Executor;
 import java.util.function.BiFunction;
@@ -18,103 +15,67 @@ import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.stream.Stream;
 
-@SuppressWarnings("unchecked")
+import org.jetbrains.annotations.Nullable;
+
 public interface IModStateTransition {
+    /** Magic value to allow me to optimize the futures list by ignoring the default value without making old methods nullable. */
+    BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> NULL_HOOK = (e, g) -> CompletableFuture.completedFuture(null);
+
     static IModStateTransition buildNoopTransition() {
-        return new NoopTransition();
+        return ModStateTransitionHelper.NOOP;
     }
 
-    default <T extends Event & IModBusEvent>
-    CompletableFuture<Void> build(final String name,
-                                  final Executor syncExecutor,
-                                  final Executor parallelExecutor,
-                                  final ProgressMeter progressBar,
-                                  final Function<Executor, CompletableFuture<Void>> preSyncTask,
-                                  final Function<Executor, CompletableFuture<Void>> postSyncTask) {
-        List<CompletableFuture<Void>> futures = new ArrayList<>();
-
-        this.eventFunctionStream().get()
-                .map(f -> (EventGenerator<T>) f)
-                .reduce((head, tail) -> addCompletableFutureTaskForModDispatch(syncExecutor, parallelExecutor, futures, progressBar, head, ModLoadingStage::currentState, tail))
-                .ifPresent(last -> addCompletableFutureTaskForModDispatch(syncExecutor, parallelExecutor, futures, progressBar, last, nextModLoadingStage(), null));
-
-        final CompletableFuture<Void> preSyncTaskCF = preSyncTask.apply(syncExecutor);
-        final CompletableFuture<Void> eventDispatchCF = ModList.gather(futures).thenCompose(ModList::completableFutureFromExceptionList);
-        final CompletableFuture<Void> postEventDispatchCF = preSyncTaskCF
-                .thenApplyAsync(n -> {
-                    progressBar.label(progressBar.name() + ": dispatching "+name);
-                    return null;
-                }, parallelExecutor)
-                .thenComposeAsync(n -> eventDispatchCF, parallelExecutor)
-                .thenApply(r -> {
-                    postSyncTask.apply(syncExecutor);
-                    return null;
-                });
-        return this.finalActivityGenerator().apply(syncExecutor, postEventDispatchCF);
+    default CompletableFuture<Void> build(
+        final String name,
+        final Executor syncExecutor,
+        final Executor parallelExecutor,
+        final ProgressMeter progressBar,
+        final Function<Executor, CompletableFuture<Void>> preSyncTask,
+        final Function<Executor, CompletableFuture<Void>> postSyncTask
+    ) {
+        return ModStateTransitionHelper.build(this, name, syncExecutor, parallelExecutor, progressBar, preSyncTask, postSyncTask);
     }
 
     default BiFunction<ModLoadingStage, Throwable, ModLoadingStage> nextModLoadingStage() {
         return ModLoadingStage::nextState;
     }
 
-    private <T extends Event & IModBusEvent>
-    EventGenerator<T> addCompletableFutureTaskForModDispatch(final Executor syncExecutor,
-                                                             final Executor parallelExecutor,
-                                                             final List<CompletableFuture<Void>> completableFutures,
-                                                             final ProgressMeter progressBar,
-                                                             final EventGenerator<T> eventGenerator,
-                                                             final BiFunction<ModLoadingStage, Throwable, ModLoadingStage> nextState,
-                                                             final EventGenerator<T> nextGenerator) {
-        final Executor selectedExecutor = threadSelector().apply(syncExecutor, parallelExecutor);
-
-        var preDispatchHook = (BiFunction<Executor, EventGenerator<T>, CompletableFuture<Void>>) preDispatchHook();
-        completableFutures.add(preDispatchHook.apply(selectedExecutor, eventGenerator));
-
-        completableFutures.add(ModList.get().futureVisitor(eventGenerator, progressBar, nextState).apply(threadSelector().apply(syncExecutor, parallelExecutor)));
-
-        var postDispatchHook = (BiFunction<Executor, EventGenerator<T>, CompletableFuture<Void>>) postDispatchHook();
-        completableFutures.add(postDispatchHook.apply(selectedExecutor, eventGenerator));
-
-        return nextGenerator;
+    /**
+     * This used to allow you to fire multiple events during the transition. However, in doing so it would cause issues with the default
+     * ModContainer's event handlers causing issues such as mod classes being constructed multiple times.
+     */
+    @Deprecated(since = "1.21.3", forRemoval = true)
+    default Supplier<Stream<EventGenerator<?>>> eventFunctionStream() {
+        return () -> Stream.ofNullable(eventFunction());
+    }
+
+    @Nullable
+    default <T extends IModBusEvent> EventGenerator<T> eventFunction() {
+        return null;
     }
 
-    Supplier<Stream<EventGenerator<?>>> eventFunctionStream();
     ThreadSelector threadSelector();
     BiFunction<Executor, CompletableFuture<Void>, CompletableFuture<Void>> finalActivityGenerator();
-    BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> preDispatchHook();
-    BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> postDispatchHook();
 
-    interface EventGenerator<T extends Event & IModBusEvent> extends Function<ModContainer, T> {
-        static <FN extends Event & IModBusEvent> EventGenerator<FN> fromFunction(Function<ModContainer, FN> fn) {
+    /**
+     * I think this was meant as a way to do some things for each mod container beforge/after the transition had been sent to the container.
+     * However, the Future returned by this was never linked to the main transition future in any way.  Which means that it was run
+     * in parallel and couldn't guarantee the state of the ModContainer.
+     * <p>
+     * Plus all existing code that I could find returned a completedFuture, so I don't think anyone ever used this.
+     * <p>
+     * If I were to add this back it would be a CompletableFuture wrap(ModContainer, CompletableFuture)
+     * <p>
+     * Added magic value NULL_HOOK to allow me to optimize the futures list by ignoring the default value without making this method nullable.
+     */
+    @Deprecated(since = "1.21.3", forRemoval = true)
+    default BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> preDispatchHook() { return NULL_HOOK; }
+    @Deprecated(since = "1.21.3", forRemoval = true)
+    default BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> postDispatchHook() { return NULL_HOOK; }
+
+    interface EventGenerator<T extends IModBusEvent> extends Function<ModContainer, T> {
+        static <FN extends IModBusEvent> EventGenerator<FN> fromFunction(Function<ModContainer, FN> fn) {
             return fn::apply;
         }
     }
-}
-
-record NoopTransition() implements IModStateTransition {
-
-    @Override
-    public Supplier<Stream<EventGenerator<?>>> eventFunctionStream() {
-        return Stream::of;
-    }
-
-    @Override
-    public ThreadSelector threadSelector() {
-        return ThreadSelector.SYNC;
-    }
-
-    @Override
-    public BiFunction<Executor, CompletableFuture<Void>, CompletableFuture<Void>> finalActivityGenerator() {
-        return (e, t) -> t.thenApplyAsync(Function.identity(), e);
-    }
-
-    @Override
-    public BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> preDispatchHook() {
-        return (t, f)-> CompletableFuture.completedFuture(null);
-    }
-
-    @Override
-    public BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> postDispatchHook() {
-        return (t, f)-> CompletableFuture.completedFuture(null);
-    }
 }

fmlcore/src/main/java/net/minecraftforge/fml/ModContainer.java

@@ -5,22 +5,18 @@
 
 package net.minecraftforge.fml;
 
-import net.minecraftforge.eventbus.api.Event;
 import net.minecraftforge.fml.config.IConfigEvent;
 import net.minecraftforge.fml.config.ModConfig;
 import net.minecraftforge.fml.event.IModBusEvent;
-import net.minecraftforge.fml.loading.progress.ProgressMeter;
 import net.minecraftforge.forgespi.language.IModInfo;
 
 import java.util.EnumMap;
-import java.util.HashMap;
+import java.util.HashSet;
 import java.util.IdentityHashMap;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.Executor;
-import java.util.function.BiFunction;
+import java.util.Set;
 import java.util.function.BiPredicate;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
@@ -33,13 +29,8 @@ import java.util.function.Supplier;
  * a mechanism by which we can wrap actual mod code so that the loader and other
  * facilities can treat mods at arms length.
  * </p>
- *
- * @author cpw
- *
  */
-
-public abstract class ModContainer
-{
+public abstract class ModContainer {
     protected final String modId;
     protected final String namespace;
     protected final IModInfo modInfo;
@@ -48,11 +39,14 @@ public abstract class ModContainer
     protected final Map<ModLoadingStage, Runnable> activityMap = new EnumMap<>(ModLoadingStage.class);
     protected final Map<Class<? extends IExtensionPoint<?>>, Supplier<?>> extensionPoints = new IdentityHashMap<>();
     protected final EnumMap<ModConfig.Type, ModConfig> configs = new EnumMap<>(ModConfig.Type.class);
-    @SuppressWarnings("OptionalUsedAsFieldOrParameterType")
+    final Set<ModContainer> dependencies = new HashSet<>();
+    /**
+     * If you want to handle the event, override {@link #dispatchConfigEvent(IConfigEvent)}
+     */
+    @Deprecated(since = "1.21.3", forRemoval = true)
     protected Optional<Consumer<IConfigEvent>> configHandler = Optional.empty();
 
-    public ModContainer(IModInfo info)
-    {
+    public ModContainer(IModInfo info) {
         this.modId = info.getModId();
         // TODO: Currently not reading namespace from configuration..
         this.namespace = this.modId;
@@ -82,58 +76,35 @@ public abstract class ModContainer
     /**
      * Errored container state, used for filtering. Does nothing.
      */
-    ModContainer()
-    {
+    ModContainer() {
         this.modLoadingStage = ModLoadingStage.ERROR;
         modId = "BROKEN";
         namespace = "BROKEN";
         modInfo = null;
     }
+
     /**
      * @return the modid for this mod
      */
-    public final String getModId()
-    {
+    public final String getModId() {
         return modId;
     }
 
     /**
      * @return the resource prefix for the mod
      */
-    public final String getNamespace()
-    {
+    public final String getNamespace() {
         return namespace;
     }
 
     /**
      * @return The current loading stage for this mod
      */
-    public ModLoadingStage getCurrentState()
-    {
+    public ModLoadingStage getCurrentState() {
         return modLoadingStage;
     }
 
-    public static <T extends Event & IModBusEvent> CompletableFuture<Void> buildTransitionHandler(
-            final ModContainer target,
-            final IModStateTransition.EventGenerator<T> eventGenerator,
-            final ProgressMeter progressBar,
-            final BiFunction<ModLoadingStage, Throwable, ModLoadingStage> stateChangeHandler,
-            final Executor executor) {
-        return CompletableFuture
-                .runAsync(() -> {
-                    ModLoadingContext.get().setActiveContainer(target);
-                    target.activityMap.getOrDefault(target.modLoadingStage, ()->{}).run();
-                    target.acceptEvent(eventGenerator.apply(target));
-                }, executor)
-                .whenComplete((mc, exception) -> {
-                    target.modLoadingStage = stateChangeHandler.apply(target.modLoadingStage, exception);
-                    progressBar.increment();
-                    ModLoadingContext.get().setActiveContainer(null);
-                });
-    }
-
-    public IModInfo getModInfo()
-    {
+    public IModInfo getModInfo() {
         return modInfo;
     }
 
@@ -142,8 +113,7 @@ public abstract class ModContainer
         return Optional.ofNullable((T)extensionPoints.getOrDefault(point,()-> null).get());
     }
 
-    public <T extends Record & IExtensionPoint<T>> void registerExtensionPoint(Class<? extends IExtensionPoint<T>> point, Supplier<T> extension)
-    {
+    public <T extends Record & IExtensionPoint<T>> void registerExtensionPoint(Class<? extends IExtensionPoint<T>> point, Supplier<T> extension) {
         extensionPoints.put(point, extension);
     }
 
@@ -191,5 +161,5 @@ public abstract class ModContainer
      * Accept an arbitrary event for processing by the mod. Probably posted to an event bus in the lower level container.
      * @param e Event to accept
      */
-    protected <T extends Event & IModBusEvent> void acceptEvent(T e) {}
+    protected <T extends IModBusEvent> void acceptEvent(T e) {}
 }

fmlcore/src/main/java/net/minecraftforge/fml/ModList.java

@@ -5,9 +5,6 @@
 
 package net.minecraftforge.fml;
 
-import net.minecraftforge.eventbus.api.Event;
-import net.minecraftforge.fml.event.IModBusEvent;
-import net.minecraftforge.fml.loading.progress.ProgressMeter;
 import net.minecraftforge.forgespi.language.IModFileInfo;
 import net.minecraftforge.forgespi.language.IModInfo;
 import net.minecraftforge.forgespi.language.ModFileScanData;
@@ -15,21 +12,15 @@ import net.minecraftforge.fml.loading.moddiscovery.ModFile;
 import net.minecraftforge.fml.loading.moddiscovery.ModFileInfo;
 import net.minecraftforge.fml.loading.moddiscovery.ModInfo;
 import net.minecraftforge.forgespi.locating.IModFile;
-import java.util.AbstractMap;
-import java.util.ArrayList;
-import java.util.Collection;
+import java.util.Collections;
 import java.util.Comparator;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.CompletionException;
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.Executor;
 import java.util.function.BiConsumer;
-import java.util.function.BiFunction;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.stream.Collectors;
@@ -43,20 +34,21 @@ public class ModList {
     private static ModList INSTANCE;
     private final List<IModFileInfo> modFiles;
     private final List<IModInfo> sortedList;
-    private final Map<String, ModFileInfo> fileById;
+    private final Map<String, IModFileInfo> fileById;
     private List<ModContainer> mods;
     private Map<String, ModContainer> indexedMods;
     private List<ModFileScanData> modFileScanData;
     private List<ModContainer> sortedContainers;
 
     private ModList(final List<ModFile> modFiles, final List<ModInfo> sortedList) {
-        this.modFiles = modFiles.stream().map(ModFile::getModFileInfo).map(ModFileInfo.class::cast).collect(Collectors.toList());
-        this.sortedList = sortedList.stream().
-                map(ModInfo.class::cast).
-                collect(Collectors.toList());
-        this.fileById = this.modFiles.stream().map(IModFileInfo::getMods).flatMap(Collection::stream).
-                map(ModInfo.class::cast).
-                collect(Collectors.toMap(ModInfo::getModId, ModInfo::getOwningFile));
+        this.modFiles = modFiles.stream().map(ModFile::getModFileInfo).toList();
+        this.sortedList = sortedList.stream().map(IModInfo.class::cast).toList();
+        var byId = new HashMap<String, IModFileInfo>();
+        for (var file : this.modFiles) {
+            for (var mod : file.getMods())
+                byId.put(mod.getModId(), mod.getOwningFile());
+        }
+        this.fileById = Collections.unmodifiableMap(byId);
         CrashReportCallables.registerCrashCallable("Mod List", this::crashReport);
     }
 
@@ -95,54 +87,9 @@ public class ModList {
         return this.fileById.get(modid);
     }
 
-    <T extends Event & IModBusEvent> Function<Executor, CompletableFuture<Void>> futureVisitor(
-            final IModStateTransition.EventGenerator<T> eventGenerator,
-            final ProgressMeter progressBar,
-            final BiFunction<ModLoadingStage, Throwable, ModLoadingStage> stateChange) {
-        return executor -> gather(
-                this.mods.stream()
-                .map(mod -> ModContainer.buildTransitionHandler(mod, eventGenerator, progressBar, stateChange, executor))
-                .toList()
-        ).thenComposeAsync(ModList::completableFutureFromExceptionList, executor);
-    }
-    static CompletionStage<Void> completableFutureFromExceptionList(List<? extends Map.Entry<?, Throwable>> t) {
-        if (t.stream().noneMatch(e->e.getValue()!=null)) {
-            return CompletableFuture.completedFuture(null);
-        } else {
-            final List<Throwable> throwables = t.stream().filter(e -> e.getValue() != null).map(Map.Entry::getValue).toList();
-            CompletableFuture<Void> cf = new CompletableFuture<>();
-            final RuntimeException accumulator = new RuntimeException();
-            cf.completeExceptionally(accumulator);
-            for (Throwable exception : throwables) {
-                if (exception instanceof CompletionException) {
-                    exception = exception.getCause();
-                }
-                if (exception.getSuppressed().length != 0) {
-                    for (Throwable throwable : exception.getSuppressed()) {
-                        accumulator.addSuppressed(throwable);
-                    }
-                } else {
-                    accumulator.addSuppressed(exception);
-                }
-            }
-            return cf;
-        }
-    }
-
-    static <V> CompletableFuture<List<Map.Entry<V, Throwable>>> gather(List<? extends CompletableFuture<? extends V>> futures) {
-        List<Map.Entry<V, Throwable>> list = new ArrayList<>(futures.size());
-        CompletableFuture<?>[] results = new CompletableFuture[futures.size()];
-        for (var future : futures) {
-            int i = list.size();
-            list.add(null);
-            results[i] = future.whenComplete((result, exception) -> list.set(i, new AbstractMap.SimpleImmutableEntry<>(result, exception)));
-        }
-        return CompletableFuture.allOf(results).handle((r, th)->null).thenApply(res -> list);
-    }
-
     void setLoadedMods(final List<ModContainer> modContainers) {
         this.mods = modContainers;
-        this.sortedContainers = modContainers.stream().sorted(Comparator.comparingInt(c->sortedList.indexOf(c.getModInfo()))).toList();
+        this.sortedContainers = modContainers.stream().sorted(Comparator.comparingInt(c -> sortedList.indexOf(c.getModInfo()))).toList();
         this.indexedMods = modContainers.stream().collect(Collectors.toMap(ModContainer::getModId, Function.identity()));
     }
 
@@ -201,6 +148,10 @@ public class ModList {
         this.sortedContainers.forEach(containerConsumer);
     }
 
+    public List<ModContainer> getLoadedMods() {
+        return this.sortedContainers;
+    }
+
     public <T> Stream<T> applyForEachModContainer(Function<ModContainer, T> function) {
         return indexedMods.values().stream().map(function);
     }

fmlcore/src/main/java/net/minecraftforge/fml/ModLoader.java

@@ -6,8 +6,6 @@
 package net.minecraftforge.fml;
 
 import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Streams;
-import net.minecraftforge.eventbus.api.Event;
 import net.minecraftforge.fml.event.IModBusEvent;
 import net.minecraftforge.fml.loading.FMLEnvironment;
 import net.minecraftforge.fml.loading.FMLLoader;
@@ -33,8 +31,6 @@ import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
 import static net.minecraftforge.fml.Logging.CORE;
 import static net.minecraftforge.fml.Logging.LOADING;
 
@@ -74,8 +70,7 @@ import static net.minecraftforge.fml.Logging.LOADING;
  *     and completes the mod loading sequence.</dd>
  * </dl>
  */
-public class ModLoader
-{
+public class ModLoader {
     private static final Logger LOGGER = LogManager.getLogger();
     private final LoadingModList loadingModList;
 
@@ -84,13 +79,11 @@ public class ModLoader
     private final List<ModLoadingWarning> loadingWarnings;
     private final ModStateManager stateManager;
     private static boolean loadingStateValid;
-    @SuppressWarnings("OptionalUsedAsFieldOrParameterType")
-    private final Optional<Consumer<String>> statusConsumer = StartupNotificationManager.modLoaderConsumer();
+    private final Consumer<String> statusConsumer = StartupNotificationManager.modLoaderConsumer().orElse(msg -> {});
     private final Set<IModLoadingState> completedStates = new HashSet<>();
     private ModList modList;
 
-    private ModLoader()
-    {
+    private ModLoader() {
         this.loadingModList = FMLLoader.getLoadingModList();
         this.loadingExceptions = this.loadingModList.getErrors().stream()
                 .flatMap(ModLoadingException::fromEarlyException)
@@ -156,20 +149,22 @@ public class ModLoader
                 loadingModList.getMods());
         if (!this.loadingExceptions.isEmpty()) {
             LOGGER.fatal(CORE, "Error during pre-loading phase", loadingExceptions.getFirst());
-            statusConsumer.ifPresent(c->c.accept("ERROR DURING MOD LOADING"));
+            statusConsumer.accept("ERROR DURING MOD LOADING");
             modList.setLoadedMods(Collections.emptyList());
             loadingStateValid = false;
             throw new LoadingFailedException(loadingExceptions);
         }
-        List<? extends ForgeFeature.Bound> failedBounds = loadingModList.getMods().stream()
-                .map(ModInfo::getForgeFeatures)
-                .flatMap(List::stream)
-                .filter(bound -> !ForgeFeature.testFeature(FMLEnvironment.dist, bound))
-                .toList();
+        var failedBounds = new ArrayList<ForgeFeature.Bound>();
+        for (var mod : loadingModList.getMods()) {
+            for (var feature : mod.getForgeFeatures()) {
+                if (!ForgeFeature.testFeature(FMLEnvironment.dist, feature))
+                    failedBounds.add(feature);
+            }
+        }
 
         if (!failedBounds.isEmpty()) {
             LOGGER.fatal(CORE, "Failed to validate feature bounds for mods: {}", failedBounds);
-            statusConsumer.ifPresent(c->c.accept("ERROR DURING MOD LOADING"));
+            statusConsumer.accept("ERROR DURING MOD LOADING");
             modList.setLoadedMods(Collections.emptyList());
             loadingStateValid = false;
             throw new LoadingFailedException(failedBounds.stream()
@@ -177,19 +172,42 @@ public class ModLoader
                     .toList());
         }
 
-        final List<ModContainer> modContainers = loadingModList.getModFiles().stream()
-                .map(ModFileInfo::getFile)
-                .map(this::buildMods)
-                .flatMap(List::stream)
-                .toList();
+        final var modContainers = new HashMap<String, ModContainer>();
+        for (var file : loadingModList.getModFiles()) {
+            var containers = this.buildMods(file.getFile());
+            for (var container : containers)
+                modContainers.put(container.getModId(), container);
+        }
+
         if (!loadingExceptions.isEmpty()) {
             LOGGER.fatal(CORE, "Failed to initialize mod containers", loadingExceptions.getFirst());
-            statusConsumer.ifPresent(c->c.accept("ERROR DURING MOD LOADING"));
+            statusConsumer.accept("ERROR DURING MOD LOADING");
             modList.setLoadedMods(Collections.emptyList());
             loadingStateValid = false;
             throw new LoadingFailedException(loadingExceptions);
         }
-        modList.setLoadedMods(modContainers);
+
+        // Gather all dependencies, so we can make sure they have finished their transition events before we fire ours
+        for (var mod : modContainers.values()) {
+            for (var dep : mod.getModInfo().getDependencies()) {
+                var target = modContainers.get(dep.getModId());
+                if (target == null)
+                    continue;
+
+                switch (dep.getOrdering()) {
+                    case AFTER:
+                        mod.dependencies.add(target);
+                        break;
+                    case BEFORE:
+                        target.dependencies.add(mod);
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+
+        modList.setLoadedMods(modContainers.values().stream().toList());
         this.modList = modList;
         var stateList = stateManager.getStates(ModLoadingPhase.GATHER);
         var progress = StartupMessageManager.addProgressBar("Mod Gather", stateList.stream().mapToInt(mls -> mls.size().applyAsInt(this.modList)).sum());
@@ -214,7 +232,7 @@ public class ModLoader
         for (IModLoadingState mls : stateList) {
             dispatchAndHandleError(mls, syncExecutor, parallelExecutor, periodicTask, progress);
         }
-        statusConsumer.ifPresent(c->c.accept(String.format("Mod loading complete - %d mods loaded", this.modList.size())));
+        statusConsumer.accept(String.format("Mod loading complete - %d mods loaded", this.modList.size()));
         progress.complete();
     }
 
@@ -243,10 +261,12 @@ public class ModLoader
         pb.complete();
         syncExecutor.drive(ticker);
     }
+
     private void waitForTransition(final IModLoadingState state, final ModWorkManager.DrivenExecutor syncExecutor, final Runnable ticker, final CompletableFuture<Void> transition) {
         while (!transition.isDone()) {
             syncExecutor.drive(ticker);
         }
+
         try {
             transition.join();
         } catch (CompletionException e) {
@@ -256,36 +276,38 @@ public class ModLoader
                     .anyMatch(obj -> !(obj instanceof ModLoadingException));
             if (hasNotModLoadingEx) {
                 LOGGER.fatal("Encountered non-modloading exceptions!", e);
-                statusConsumer.ifPresent(c->c.accept("ERROR DURING MOD LOADING"));
+                statusConsumer.accept("ERROR DURING MOD LOADING");
                 throw e;
             }
 
             final List<ModLoadingException> modLoadingExceptions = Arrays.stream(t.getSuppressed())
                     .filter(ModLoadingException.class::isInstance)
                     .map(ModLoadingException.class::cast)
-                    .collect(Collectors.toList());
+                    .toList();
             LOGGER.fatal(LOADING,"Failed to complete lifecycle event {}, {} errors found", state.name(), modLoadingExceptions.size());
-            statusConsumer.ifPresent(c->c.accept("ERROR DURING MOD LOADING"));
+            statusConsumer.accept("ERROR DURING MOD LOADING");
             throw new LoadingFailedException(modLoadingExceptions);
         }
     }
 
-    private List<ModContainer> buildMods(final IModFile modFile)
-    {
-        final Map<String, IModInfo> modInfoMap = modFile.getModFileInfo().getMods().stream().collect(Collectors.toMap(IModInfo::getModId, Function.identity()));
+    private List<ModContainer> buildMods(final IModFile modFile) {
+        final Map<String, IModInfo> modInfoMap = new HashMap<>();
+        for (var mod : modFile.getModFileInfo().getMods())
+            modInfoMap.put(mod.getModId(), mod);
 
         LOGGER.trace(LOADING, "ModContainer is {}", ModContainer.class.getClassLoader());
-        final List<ModContainer> containers = modFile.getScanResult().getTargets()
-                .entrySet()
-                .stream()
-                .map(e -> buildModContainerFromTOML(modFile, modInfoMap, e))
-                .filter(Objects::nonNull)
-                .toList();
+        final List<ModContainer> containers = new ArrayList<>();
+        for (var entry : modFile.getScanResult().getTargets().entrySet()) {
+            var container = buildModContainerFromTOML(modFile, modInfoMap, entry.getKey(), entry.getValue());
+            if (container != null)
+                containers.add(container);
+        }
+
         if (containers.size() != modInfoMap.size()) {
             var modIds = modInfoMap.values().stream().map(IModInfo::getModId).sorted().toList();
             var containerIds = containers.stream().map(c -> c != null ? c.getModId() : "(null)").sorted().toList();
 
-            LOGGER.fatal(LOADING,"File {} constructed {} mods: {}, but had {} mods specified: {}",
+            LOGGER.fatal(LOADING, "File {} constructed {} mods: {}, but had {} mods specified: {}",
                     modFile.getFilePath(),
                     containers.size(), containerIds,
                     modInfoMap.size(), modIds);
@@ -300,15 +322,15 @@ public class ModLoader
 
             loadingExceptions.add(new ModLoadingException(null, ModLoadingStage.CONSTRUCT, "fml.modloading.missingclasses", null, modFile.getFilePath()));
         }
+
         // remove errored mod containers
         return containers.stream().filter(mc -> mc.modLoadingStage != ModLoadingStage.ERROR).toList();
     }
 
-    private ModContainer buildModContainerFromTOML(final IModFile modFile, final Map<String, IModInfo> modInfoMap, final Map.Entry<String, ? extends IModLanguageProvider.IModLanguageLoader> idToProviderEntry) {
+    private ModContainer buildModContainerFromTOML(final IModFile modFile, final Map<String, IModInfo> modInfoMap,
+        final String modId, final IModLanguageProvider.IModLanguageLoader languageLoader
+    ) {
         try {
-            final String modId = idToProviderEntry.getKey();
-            final IModLanguageProvider.IModLanguageLoader languageLoader = idToProviderEntry.getValue();
-
             IModInfo info = modInfoMap.get(modId);
             // throw a missing metadata error if there is no matching modid in the modInfoMap from the mods.toml file
             if (info == null)
@@ -336,51 +358,60 @@ public class ModLoader
         return completedStates.contains(state);
     }
 
-    public <T extends Event & IModBusEvent> void runEventGenerator(Function<ModContainer, T> generator) {
+    public <T extends IModBusEvent> void runEventGenerator(Function<ModContainer, T> generator) {
         if (!loadingStateValid) {
             LOGGER.error("Cowardly refusing to send event generator to a broken mod state");
             return;
         }
-        ModList.get().forEachModInOrder(mc -> mc.acceptEvent(generator.apply(mc)));
+        for (var mod : ModList.get().getLoadedMods())
+            mod.acceptEvent(generator.apply(mod));
     }
 
-    public <T extends Event & IModBusEvent> void postEvent(T e) {
+    public <T extends IModBusEvent> void postEvent(T e) {
+        var cls = e.getClass();
         if (!loadingStateValid) {
             LOGGER.error("Cowardly refusing to send event {} to a broken mod state", e.getClass().getName());
             return;
         }
-        ModList.get().forEachModInOrder(mc -> mc.acceptEvent(e));
+        for (var mod : ModList.get().getLoadedMods())
+            mod.acceptEvent(e);
     }
-    public <T extends Event & IModBusEvent> T postEventWithReturn(T e) {
+
+    public <T extends IModBusEvent> T postEventWithReturn(T e) {
         if (!loadingStateValid) {
             LOGGER.error("Cowardly refusing to send event {} to a broken mod state", e.getClass().getName());
             return e;
         }
-        ModList.get().forEachModInOrder(mc -> mc.acceptEvent(e));
+        for (var mod : ModList.get().getLoadedMods())
+            mod.acceptEvent(e);
         return e;
     }
-    public <T extends Event & IModBusEvent> void postEventWrapContainerInModOrder(T event) {
-        postEventWithWrapInModOrder(event, (mc, e) -> ModLoadingContext.get().setActiveContainer(mc), (mc, e) -> ModLoadingContext.get().setActiveContainer(null));
+
+    @SuppressWarnings("removal")
+    public <T extends IModBusEvent> void postEventWrapContainerInModOrder(T event) {
+        postEventWithWrapInModOrder(event,
+            (mc, e) -> ModLoadingContext.get().setActiveContainer(mc),
+            (mc, e) -> ModLoadingContext.get().setActiveContainer(null)
+        );
     }
-    public <T extends Event & IModBusEvent> void postEventWithWrapInModOrder(T e, BiConsumer<ModContainer, T> pre, BiConsumer<ModContainer, T> post) {
+
+    public <T extends IModBusEvent> void postEventWithWrapInModOrder(T e, BiConsumer<ModContainer, T> pre, BiConsumer<ModContainer, T> post) {
         if (!loadingStateValid) {
             LOGGER.error("Cowardly refusing to send event {} to a broken mod state", e.getClass().getName());
             return;
         }
-        ModList.get().forEachModInOrder(mc -> {
-            pre.accept(mc, e);
-            mc.acceptEvent(e);
-            post.accept(mc, e);
-        });
+        for (var mod : ModList.get().getLoadedMods()) {
+            pre.accept(mod, e);
+            mod.acceptEvent(e);
+            post.accept(mod, e);
+        }
     }
 
-    public List<ModLoadingWarning> getWarnings()
-    {
+    public List<ModLoadingWarning> getWarnings() {
         return ImmutableList.copyOf(this.loadingWarnings);
     }
 
-    public void addWarning(ModLoadingWarning warning)
-    {
+    public void addWarning(ModLoadingWarning warning) {
         this.loadingWarnings.add(warning);
     }
 
@@ -390,7 +421,7 @@ public class ModLoader
         return runningDataGen;
     }
 
-    private static class ErroredModContainer extends ModContainer {
+    private static final class ErroredModContainer extends ModContainer {
         public ErroredModContainer() {
             super();
         }

fmlcore/src/main/java/net/minecraftforge/fml/ModLoadingState.java

@@ -5,8 +5,6 @@
 
 package net.minecraftforge.fml;
 
-import net.minecraftforge.eventbus.api.Event;
-import net.minecraftforge.fml.event.IModBusEvent;
 import net.minecraftforge.fml.loading.progress.ProgressMeter;
 
 import java.util.Optional;
@@ -26,19 +24,23 @@ import java.util.function.ToIntFunction;
  * @param inlineRunnable an optional runnable, which runs before starting the transition from this state to the next
  * @param transition     optional state transition information
  */
-public record ModLoadingState(String name, String previous,
-                              Function<ModList, String> message,
-                              ToIntFunction<ModList> size,
-                              ModLoadingPhase phase,
-                              Optional<Consumer<ModList>> inlineRunnable,
-                              Optional<IModStateTransition> transition) implements IModLoadingState {
+public record ModLoadingState(
+    String name,
+    String previous,
+    Function<ModList, String> message,
+    ToIntFunction<ModList> size,
+    ModLoadingPhase phase,
+    Optional<Consumer<ModList>> inlineRunnable,
+    Optional<IModStateTransition> transition
+) implements IModLoadingState {
     @Override
-    public <T extends Event & IModBusEvent>
-    Optional<CompletableFuture<Void>> buildTransition(final Executor syncExecutor,
-                                                      final Executor parallelExecutor,
-                                                      final ProgressMeter progressBar,
-                                                      final Function<Executor, CompletableFuture<Void>> preSyncTask,
-                                                      final Function<Executor, CompletableFuture<Void>> postSyncTask) {
+    public Optional<CompletableFuture<Void>> buildTransition(
+        final Executor syncExecutor,
+        final Executor parallelExecutor,
+        final ProgressMeter progressBar,
+        final Function<Executor, CompletableFuture<Void>> preSyncTask,
+        final Function<Executor, CompletableFuture<Void>> postSyncTask
+    ) {
         var transition = this.transition.orElse(null);
         return transition == null
                 ? Optional.empty()
@@ -52,9 +54,12 @@ public record ModLoadingState(String name, String previous,
      * @param name     the name of the state
      * @param previous the name of the immediately previous state to this state
      * @param phase    the mod loading phase the state belongs to
+     *
+     * @deprecated Use the builder
      */
+    @Deprecated(since = "1.21.3", forRemoval = true)
     public static ModLoadingState empty(final String name, final String previous, final ModLoadingPhase phase) {
-        return new ModLoadingState(name, previous, ml -> "", f->0, phase, Optional.empty(), Optional.empty());
+        return of(name, phase).after(previous).empty();
     }
 
     /**
@@ -65,11 +70,13 @@ public record ModLoadingState(String name, String previous,
      * @param previous   the name of the immediately previous state to this state
      * @param phase      the mod loading phase the state belongs to
      * @param transition the state transition information
-     * @return a mod loading state with state transition information and a default message
+     *
+     * @deprecated Use the builder
      */
+    @Deprecated(since = "1.21.3", forRemoval = true)
     public static ModLoadingState withTransition(final String name, final String previous, final ModLoadingPhase phase,
                                                  final IModStateTransition transition) {
-        return new ModLoadingState(name, previous, ml -> "Processing transition " + name, ModList::size, phase, Optional.empty(), Optional.of(transition));
+        return of(name, phase).after(previous).withTransition(transition);
     }
 
     /**
@@ -81,11 +88,14 @@ public record ModLoadingState(String name, String previous,
      * @param phase      the mod loading phase the state belongs to
      * @param transition the state transition information
      * @return a mod loading state with state transition information and a custom message
+     *
+     * @deprecated Use the builder
      */
+    @Deprecated(since = "1.21.3", forRemoval = true)
     public static ModLoadingState withTransition(final String name, final String previous,
                                                  final Function<ModList, String> message, final ModLoadingPhase phase,
                                                  final IModStateTransition transition) {
-        return new ModLoadingState(name, previous, message, ModList::size, phase, Optional.empty(), Optional.of(transition));
+        return of(name, phase).after(previous).message(message).withTransition(transition);
     }
 
     /**
@@ -97,9 +107,59 @@ public record ModLoadingState(String name, String previous,
      * @param phase    the mod loading phase the state belongs to
      * @param inline   an optional runnable, which runs before starting the transition from this state to the next
      * @return a mod loading state with an inline runnable and default message
+     *
+     * @deprecated Use the builder
      */
+    @Deprecated(since = "1.21.3", forRemoval = true)
     public static ModLoadingState withInline(final String name, final String previous, final ModLoadingPhase phase,
                                              final Consumer<ModList> inline) {
-        return new ModLoadingState(name, previous, ml -> "Processing work " + name, ml->0, phase, Optional.of(inline), Optional.empty());
+        return of(name, phase).after(previous).withInline(inline);
+    }
+
+    public static Builder of(final String name, final ModLoadingPhase phase) {
+        return new Builder(name, phase);
+    }
+
+    public static class Builder {
+        private final String name;
+        private final ModLoadingPhase phase;
+        private String after;
+        private Function<ModList, String> message = null;
+        private ToIntFunction<ModList> size = null;
+
+        private Builder(final String name, final ModLoadingPhase phase) {
+            this.name = name;
+            this.phase = phase;
+        }
+
+        public Builder after(final ModLoadingState value) { return after(value.name()); }
+        public Builder after(final String value) {
+            this.after = value;
+            return this;
+        }
+
+        public Builder message(final String value) { return message(ml -> value); }
+        public Builder message(final Function<ModList, String> value) {
+            this.message = value;
+            return this;
+        }
+
+        public Builder size(final int value) { return size(ml -> value); }
+        public Builder size(final ToIntFunction<ModList> value) {
+            this.size = value;
+            return this;
+        }
+
+        public ModLoadingState empty() {
+            return new ModLoadingState(name, after, message != null ? message : ml -> "", size != null ? size : ml -> 0, phase, Optional.empty(), Optional.empty());
+        }
+
+        public ModLoadingState withTransition(final IModStateTransition transition) {
+            return new ModLoadingState(name, after, message != null ? message : ml -> "Processing transition " + name, size != null ? size : ModList::size, phase, Optional.empty(), Optional.of(transition));
+        }
+
+        public ModLoadingState withInline(final Consumer<ModList> inline) {
+            return new ModLoadingState(name, after, message != null ? message : ml -> "Processing work " + name, size != null ? size : ml -> 0, phase, Optional.of(inline), Optional.empty());
+        }
     }
 }

fmlcore/src/main/java/net/minecraftforge/fml/ModStateTransitionHelper.java

@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) Forge Development LLC and contributors
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+
+package net.minecraftforge.fml;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Objects;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.Executor;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+import org.jetbrains.annotations.ApiStatus;
+
+import net.minecraftforge.fml.IModStateTransition.EventGenerator;
+import net.minecraftforge.fml.event.IModBusEvent;
+import net.minecraftforge.fml.loading.progress.ProgressMeter;
+
+@ApiStatus.Internal
+class ModStateTransitionHelper {
+    static final IModStateTransition NOOP = new NoopTransition();
+    record NoopTransition() implements IModStateTransition {
+        @Override
+        public ThreadSelector threadSelector() {
+            return ThreadSelector.SYNC;
+        }
+
+        @Override
+        public BiFunction<Executor, CompletableFuture<Void>, CompletableFuture<Void>> finalActivityGenerator() {
+            return (e, t) -> t.thenApplyAsync(Function.identity(), e);
+        }
+    }
+
+    static <V> CompletionStage<Void> completableFutureFromExceptionList(List<FutureResult<V>> t) {
+        if (t.stream().noneMatch(e -> e.exception() != null)) {
+            return CompletableFuture.completedFuture(null);
+        } else {
+            final var throwables = t.stream().map(FutureResult::exception).filter(Objects::nonNull).toList();
+            CompletableFuture<Void> cf = new CompletableFuture<>();
+            final RuntimeException accumulator = new RuntimeException();
+            cf.completeExceptionally(accumulator);
+            for (Throwable exception : throwables) {
+                if (exception instanceof CompletionException) {
+                    exception = exception.getCause();
+                }
+                if (exception.getSuppressed().length != 0) {
+                    for (Throwable throwable : exception.getSuppressed()) {
+                        accumulator.addSuppressed(throwable);
+                    }
+                } else {
+                    accumulator.addSuppressed(exception);
+                }
+            }
+            return cf;
+        }
+    }
+
+    record FutureResult<V>(V value, Throwable exception){}
+
+    static <V> CompletableFuture<List<FutureResult<V>>> gather(Collection<? extends CompletableFuture<? extends V>> futures) {
+        var list = new ArrayList<FutureResult<V>>(futures.size());
+        var results = new CompletableFuture[futures.size()];
+
+        for (var future : futures) {
+            int i = list.size();
+            list.add(null);
+            @SuppressWarnings("unchecked") // Bypass a weird javac error with generic by forcing it to be the exact type we want.
+            var raw = ((CompletableFuture<V>)future);
+            results[i] = raw.whenComplete((result, exception) -> list.set(i, new FutureResult<>(result, exception)));
+        }
+
+        return CompletableFuture.allOf(results).handle((r, th)->null).thenApply(res -> list);
+    }
+
+    private static <T extends IModBusEvent> void addCompletableFutureTaskForModDispatch(
+        final IModStateTransition transition,
+        final Executor executor,
+        final List<CompletableFuture<Void>> completableFutures,
+        final ProgressMeter progressBar,
+        final EventGenerator<T> eventGenerator,
+        final BiFunction<ModLoadingStage, Throwable, ModLoadingStage> nextState
+     ) {
+
+        @SuppressWarnings("removal")
+        var preDispatchHook = getHook(transition.preDispatchHook(), executor, eventGenerator);
+        if (preDispatchHook != null)
+            completableFutures.add(preDispatchHook);
+
+        var modFutures = new LinkedHashMap<String, CompletableFuture<Void>>();
+        for (var mod : ModList.get().getLoadedMods()) {
+
+            CompletableFuture<Void> parent = null;
+            if (mod.dependencies.isEmpty()) {
+                parent = CompletableFuture.allOf();
+            } else {
+                var deps = new CompletableFuture[mod.dependencies.size()];
+                int idx = 0;
+                for (var depContainer : mod.dependencies) {
+                    var future = modFutures.get(depContainer.getModId());
+                    if (future == null)
+                        throw new IllegalStateException("Could not find dependency future " + depContainer.getModId() + " for " + mod.getModId());
+                    deps[idx++] = future;
+                }
+                parent = CompletableFuture.allOf(deps);
+            }
+
+            @SuppressWarnings("removal")
+            var dispatch = parent
+                .thenRunAsync(() -> {
+                    ModLoadingContext.get().setActiveContainer(mod);
+                    var handler = mod.activityMap.get(mod.modLoadingStage);
+                    if (handler != null)
+                        handler.run();
+                    mod.acceptEvent(eventGenerator.apply(mod));
+                }, executor)
+                .whenComplete((mc, exception) -> {
+                    mod.modLoadingStage = nextState.apply(mod.modLoadingStage, exception);
+                    progressBar.increment();
+                    ModLoadingContext.get().setActiveContainer(null);
+                });
+
+            modFutures.put(mod.getModId(), dispatch);
+        }
+
+        var dispatch = gather(modFutures.values()).thenComposeAsync(ModStateTransitionHelper::completableFutureFromExceptionList, executor);
+        completableFutures.add(dispatch);
+
+        @SuppressWarnings("removal")
+        var postDispatchHook = getHook(transition.preDispatchHook(), executor, eventGenerator);
+        if (postDispatchHook != null)
+            completableFutures.add(postDispatchHook);
+    }
+
+    private static <T extends IModBusEvent> CompletableFuture<Void> getHook(BiFunction<Executor, ? extends EventGenerator<?>, CompletableFuture<Void>> hook, Executor executor, EventGenerator<T> eventGenerator) {
+        if (hook == null || hook == IModStateTransition.NULL_HOOK) return null;
+        @SuppressWarnings("unchecked")
+        var hookTyped = (BiFunction<Executor, EventGenerator<T>, CompletableFuture<Void>>)hook;
+        return hookTyped.apply(executor, eventGenerator);
+    }
+
+    static <T extends IModBusEvent> CompletableFuture<Void> build(
+        final IModStateTransition transition,
+        final String name,
+        final Executor syncExecutor,
+        final Executor parallelExecutor,
+        final ProgressMeter progressBar,
+        final Function<Executor, CompletableFuture<Void>> preSyncTask,
+        final Function<Executor, CompletableFuture<Void>> postSyncTask
+    ) {
+        List<CompletableFuture<Void>> futures = new ArrayList<>();
+        final var executor = transition.threadSelector().apply(syncExecutor, parallelExecutor);
+
+        @SuppressWarnings({ "removal", "unchecked" })
+        var events = transition.eventFunctionStream().get().map(f -> (EventGenerator<T>)f).toList();
+        for (int x = 0; x < events.size(); x++) {
+            var gen = events.get(x);
+            BiFunction<ModLoadingStage, Throwable, ModLoadingStage> state = x == events.size() - 1
+                ? transition.nextModLoadingStage()
+                : ModLoadingStage::currentState;
+            addCompletableFutureTaskForModDispatch(transition, executor, futures, progressBar, gen, state);
+        }
+
+        final CompletableFuture<Void> preSyncTaskCF = preSyncTask.apply(syncExecutor);
+        final CompletableFuture<Void> eventDispatchCF = gather(futures).thenCompose(ModStateTransitionHelper::completableFutureFromExceptionList);
+        final CompletableFuture<Void> postEventDispatchCF = preSyncTaskCF
+            .thenApplyAsync(n -> {
+                progressBar.label(progressBar.name() + ": dispatching " + name);
+                return null;
+            }, parallelExecutor)
+            .thenComposeAsync(n -> eventDispatchCF, parallelExecutor)
+            .thenApply(r -> {
+                postSyncTask.apply(syncExecutor);
+                return null;
+            });
+        return transition.finalActivityGenerator().apply(syncExecutor, postEventDispatchCF);
+    }
+}

fmlcore/src/main/java/net/minecraftforge/fml/config/ConfigFileTypeHandler.java

@@ -14,6 +14,7 @@ import com.mojang.logging.LogUtils;
 import net.minecraftforge.fml.loading.FMLConfig;
 import net.minecraftforge.fml.loading.FMLPaths;
 import org.apache.commons.io.FilenameUtils;
+import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 
 import java.io.IOException;
@@ -25,9 +26,66 @@ import static net.minecraftforge.fml.config.ConfigTracker.CONFIG;
 
 public class ConfigFileTypeHandler {
     private static final Logger LOGGER = LogUtils.getLogger();
-    static final ConfigFileTypeHandler TOML = new ConfigFileTypeHandler();
     private static final Path defaultConfigPath = FMLPaths.GAMEDIR.get().resolve(FMLConfig.getConfigValue(FMLConfig.ConfigValue.DEFAULT_CONFIG_PATH));
 
+    private static final ConfigFileTypeHandler CLIENT = new ConfigFileTypeHandler(ModConfig.Type.CLIENT);
+    private static final ConfigFileTypeHandler COMMON = new ConfigFileTypeHandler(ModConfig.Type.COMMON);
+    private static final ConfigFileTypeHandler SERVER = new ConfigFileTypeHandler(ModConfig.Type.SERVER);
+
+    private final @Nullable ModConfig.Type type;
+    private @Nullable FileWatcher watcher;
+
+    // exists for bin compat
+    public ConfigFileTypeHandler() {
+        this(null);
+    }
+
+    private ConfigFileTypeHandler(@Nullable ModConfig.Type type) {
+        this.type = type;
+    }
+
+    /**
+     * Gets the handler for the given {@link ModConfig.Type}.
+     *
+     * @param type The type to get the handler for
+     * @return The handler
+     */
+    static ConfigFileTypeHandler get(ModConfig.Type type) {
+        return switch (type) {
+            case CLIENT -> CLIENT;
+            case COMMON -> COMMON;
+            case SERVER -> SERVER;
+        };
+    }
+
+    /**
+     * Gets the {@link FileWatcher} for this handler, creating it if it doesn't exist and/or has been stopped.
+     *
+     * @return The watcher
+     *
+     * @apiNote This is package-private so modders can't just call {@link FileWatcher#stop()} and fuck up everything.
+     */
+    FileWatcher getWatcher() {
+        if (this.watcher == null) {
+            LOGGER.debug(CONFIG, "Starting watcher for handler: {}", this);
+            this.watcher = new FileWatcher();
+        }
+
+        return this.watcher;
+    }
+
+    /**
+     * Stops the {@link FileWatcher} for this handler, and sets it to null afterward. Use this instead of
+     * {@link FileWatcher#stop()}.
+     */
+    void stopWatcher() {
+        if (this.watcher == null) return;
+
+        LOGGER.debug(CONFIG, "Stopping watcher for hander: {}", this);
+        this.watcher.stop();
+        this.watcher = null;
+    }
+
     public Function<ModConfig, CommentedFileConfig> reader(Path configBasePath) {
         return (c) -> {
             final Path configPath = configBasePath.resolve(c.getFileName());
@@ -37,7 +95,7 @@ public class ConfigFileTypeHandler {
                     onFileNotFound((newfile, configFormat)-> setupConfigFile(c, newfile, configFormat)).
                     writingMode(WritingMode.REPLACE).
                     build();
-            LOGGER.debug(CONFIG, "Built TOML config for {}", configPath.toString());
+            LOGGER.debug(CONFIG, "Built TOML config for {}", configPath);
             try
             {
                 configData.load();
@@ -46,9 +104,9 @@ public class ConfigFileTypeHandler {
             {
                 throw new ConfigLoadingException(c, ex);
             }
-            LOGGER.debug(CONFIG, "Loaded TOML config file {}", configPath.toString());
-            FileWatcher.defaultInstance().addWatch(configPath, new ConfigWatcher(c, configData, Thread.currentThread().getContextClassLoader()));
-            LOGGER.debug(CONFIG, "Watching TOML config file {} for changes", configPath.toString());
+            LOGGER.debug(CONFIG, "Loaded TOML config file {}", configPath);
+            this.getWatcher().addWatch(configPath, new ConfigWatcher(c, configData, Thread.currentThread().getContextClassLoader()));
+            LOGGER.debug(CONFIG, "Watching TOML config file {} for changes", configPath);
             return configData;
         };
     }
@@ -56,9 +114,9 @@ public class ConfigFileTypeHandler {
     public void unload(Path configBasePath, ModConfig config) {
         Path configPath = configBasePath.resolve(config.getFileName());
         try {
-            FileWatcher.defaultInstance().removeWatch(configBasePath.resolve(config.getFileName()));
+            this.getWatcher().removeWatch(configPath);
         } catch (RuntimeException e) {
-            LOGGER.error("Failed to remove config {} from tracker!", configPath.toString(), e);
+            LOGGER.error("Failed to remove config {} from tracker!", configPath, e);
         }
     }
 
@@ -109,6 +167,11 @@ public class ConfigFileTypeHandler {
         }
     }
 
+    @Override
+    public String toString() {
+        return "ConfigFileTypeHandler[" + (type != null ? type : "UNKNOWN") + "]";
+    }
+
     private record ConfigWatcher(
             ModConfig modConfig,
             CommentedFileConfig commentedFileConfig,

fmlcore/src/main/java/net/minecraftforge/fml/config/ConfigTracker.java

@@ -8,6 +8,9 @@ package net.minecraftforge.fml.config;
 import com.electronwill.nightconfig.core.CommentedConfig;
 import com.electronwill.nightconfig.core.file.CommentedFileConfig;
 import com.mojang.logging.LogUtils;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.fml.DistExecutor;
+import net.minecraftforge.fml.loading.FMLPaths;
 import org.slf4j.Logger;
 import org.slf4j.Marker;
 import org.slf4j.MarkerFactory;
@@ -52,11 +55,24 @@ public class ConfigTracker {
         }
     }
 
+    // TODO: [FML] This is only called for the server (outside of forceUnload)
+    // rethink config implementation for eventual FML rewrite
     public void unloadConfigs(ModConfig.Type type, Path configBasePath) {
         LOGGER.debug(CONFIG, "Unloading configs type {}", type);
         for (ModConfig config : this.configSets.get(type)) {
             closeConfig(config, configBasePath);
         }
+        ConfigFileTypeHandler.get(type).stopWatcher();
+    }
+
+    // If there is a better way to do this, please tell me. Because this is FUCKED
+    public void forceUnload() {
+        // This is how ModStateProvider handles loading configs. So we're doing the same but with unloadConfigs instead
+        DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> this.unloadConfigs(ModConfig.Type.CLIENT, FMLPaths.CONFIGDIR.get()));
+        this.unloadConfigs(ModConfig.Type.COMMON, FMLPaths.CONFIGDIR.get());
+
+        // just in case server watcher is still alive somehow...
+        ConfigFileTypeHandler.get(ModConfig.Type.SERVER).stopWatcher();
     }
 
     private static void openConfig(final ModConfig config, final Path configBasePath) {

fmlcore/src/main/java/net/minecraftforge/fml/config/IConfigEvent.java

@@ -5,7 +5,7 @@
 
 package net.minecraftforge.fml.config;
 
-import net.minecraftforge.eventbus.api.Event;
+import net.minecraftforge.eventbus.api.event.InheritableEvent;
 import net.minecraftforge.fml.Bindings;
 
 import java.util.function.Function;
@@ -29,7 +29,7 @@ public interface IConfigEvent {
     ModConfig getConfig();
 
     @SuppressWarnings("unchecked")
-    default <T extends Event & IConfigEvent> T self() {
+    default <T extends InheritableEvent & IConfigEvent> T self() {
         return (T) this;
     }
 }

fmlcore/src/main/java/net/minecraftforge/fml/config/ModConfig.java

@@ -30,7 +30,7 @@ public class ModConfig
         this.spec = spec;
         this.fileName = fileName;
         this.container = container;
-        this.configHandler = ConfigFileTypeHandler.TOML;
+        this.configHandler = ConfigFileTypeHandler.get(type);
         ConfigTracker.INSTANCE.trackConfig(this);
     }
 

fmlcore/src/main/java/net/minecraftforge/fml/event/IModBusEvent.java

@@ -5,8 +5,27 @@
 
 package net.minecraftforge.fml.event;
 
+import net.minecraftforge.eventbus.api.bus.BusGroup;
+import net.minecraftforge.eventbus.api.bus.EventBus;
+import net.minecraftforge.eventbus.api.event.InheritableEvent;
+
 /**
  * Marker interface for events dispatched on the ModLifecycle event bus instead of the primary event bus
  */
-public interface IModBusEvent {
+public interface IModBusEvent extends InheritableEvent {
+    /**
+     * @param modEventBusGroup Obtained from {@link net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext#getModBusGroup()} or your language provider's equivalent.
+     * @param eventClass The event type you want to get the associated bus for.
+     */
+    static <T extends IModBusEvent> EventBus<T> getBus(BusGroup modEventBusGroup, Class<T> eventClass) {
+        // Do not copy! Temporary solution until the FML rewrite is complete. May throw in future
+        // without prior notice.
+        //
+        // Mods creating their own events should directly assign the result of the create method to a
+        // static final field in their event class, without wrapping or calling multiple times.
+        //
+        // Mods using existing events should instead use the existing static final BUS field in the
+        // event class (for most events) or getBus(BusGroup) method (for mod bus events).
+        return EventBus.create(modEventBusGroup, eventClass);
+    }
 }

fmlearlydisplay/build.gradle

@@ -28,7 +28,7 @@ java {
 }
 
 dependencies {
-    compileOnly(libs.nulls)
+    compileOnly(libs.jetbrains.annotations)
     implementation(project(':fmlloader'))
     implementation(project(':fmlcore'))
     implementation(libs.bundles.lwjgl)

fmlearlydisplay/src/main/java/net/minecraftforge/fml/earlydisplay/DisplayWindow.java

@@ -90,7 +90,12 @@ public class DisplayWindow implements ImmediateWindowProvider {
     // The GL ID of the window. Used for all operations
     private long window;
     // The thread that contains and ticks the window while Forge is loading mods
-    private ScheduledExecutorService renderScheduler;
+    private static final ScheduledExecutorService renderScheduler = Executors.newSingleThreadScheduledExecutor(r -> {
+        final var thread = Executors.defaultThreadFactory().newThread(r);
+        thread.setName("EarlyDisplay");
+        thread.setDaemon(true);
+        return thread;
+    });
     private int fbWidth;
     private int fbHeight;
     private int fbScale;
@@ -149,7 +154,7 @@ public class DisplayWindow implements ImmediateWindowProvider {
         }
         this.maximized = parsed.has(maximizedopt) || FMLConfig.getBoolConfigValue(FMLConfig.ConfigValue.EARLY_WINDOW_MAXIMIZED);
 
-        StartupNotificationManager.modLoaderConsumer().ifPresent(c->c.accept("Forge loading " + forgeVersion));
+        StartupNotificationManager.modLoaderConsumer().ifPresent(c->c.accept("Forge loading " + FMLLoader.versionInfo().forgeVersion()));
         performanceInfo = new PerformanceInfo();
         return start(mcVersion, forgeVersion);
     }
@@ -238,7 +243,7 @@ public class DisplayWindow implements ImmediateWindowProvider {
 
         var date = Calendar.getInstance();
         if (FMLConfig.getBoolConfigValue(FMLConfig.ConfigValue.EARLY_WINDOW_SQUIR) || (date.get(Calendar.MONTH) == Calendar.APRIL && date.get(Calendar.DAY_OF_MONTH) == 1))
-            this.elements.add(0, RenderElement.squir());
+            this.elements.addFirst(RenderElement.squir());
 
         glEnable(GL_BLEND);
         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -287,12 +292,6 @@ public class DisplayWindow implements ImmediateWindowProvider {
      * Start the window and Render Thread; we're ready to go.
      */
     public Runnable start(@Nullable String mcVersion, final String forgeVersion) {
-        renderScheduler = Executors.newSingleThreadScheduledExecutor(r -> {
-            final var thread = Executors.defaultThreadFactory().newThread(r);
-            thread.setName("EarlyDisplay");
-            thread.setDaemon(true);
-            return thread;
-        });
         initWindow(mcVersion);
         this.initializationFuture = renderScheduler.schedule(() -> initRender(mcVersion, forgeVersion), 1, TimeUnit.MILLISECONDS);
         return this::periodicTick;
@@ -304,7 +303,7 @@ public class DisplayWindow implements ImmediateWindowProvider {
         return this.glVersion;
     }
 
-    private void crashElegantly(String errorDetails) {
+    private static void crashElegantly(String errorDetails) {
         StringBuilder msgBuilder = new StringBuilder(2000);
         msgBuilder.append("Failed to initialize graphics window with current settings.\n");
         msgBuilder.append("\n\n");
@@ -512,7 +511,7 @@ public class DisplayWindow implements ImmediateWindowProvider {
             this.winY = y;
         }
     }
-    private void handleLastGLFWError(BiConsumer<Integer, String> handler) {
+    private static void handleLastGLFWError(BiConsumer<Integer, String> handler) {
         try (MemoryStack memorystack = MemoryStack.stackPush()) {
             PointerBuffer pointerbuffer = memorystack.mallocPointer(1);
             int error = glfwGetError(pointerbuffer);
@@ -604,10 +603,25 @@ public class DisplayWindow implements ImmediateWindowProvider {
 
     @Override
     public void updateModuleReads(final ModuleLayer layer) {
-        var fm = layer.findModule("forge").orElseThrow();
-        getClass().getModule().addReads(fm);
-        var clz = FMLLoader.getGameLayer().findModule("forge").map(l->Class.forName(l, "net.minecraftforge.client.loading.ForgeLoadingOverlay")).orElseThrow();
-        loadingOverlay = Arrays.stream(clz.getDeclaredMethods()).filter(m-> Modifier.isStatic(m.getModifiers()) && m.getName().equals("newInstance")).findFirst().orElseThrow();
+        final var FORGE_MODULE = "net.minecraftforge.forge";
+        var forge_module = layer.findModule(FORGE_MODULE).orElse(null);
+        if (forge_module == null)
+            throw new IllegalStateException("Could not find " + FORGE_MODULE + " in " + layer);
+
+        getClass().getModule().addReads(forge_module);
+
+
+        var clz = Class.forName(forge_module, "net.minecraftforge.client.loading.ForgeLoadingOverlay");
+
+        for (var mtd : clz.getDeclaredMethods()) {
+            if (Modifier.isStatic(mtd.getModifiers()) && "newInstance".equals(mtd.getName())) {
+                this.loadingOverlay = mtd;
+                break;
+            }
+        }
+
+        if (loadingOverlay == null)
+            throw new IllegalStateException("Could not find static newInstace method in " + clz.getName());
     }
 
     public int getFramebufferTextureId() {
@@ -625,7 +639,7 @@ public class DisplayWindow implements ImmediateWindowProvider {
     }
 
     public void addMojangTexture(final int textureId) {
-        this.elements.add(0, RenderElement.mojang(textureId, framecount));
+        this.elements.addFirst(RenderElement.mojang(textureId, framecount));
     }
 
     public void close() {

fmlearlydisplay/src/main/java/net/minecraftforge/fml/earlydisplay/PerformanceInfo.java

@@ -13,10 +13,10 @@ import java.lang.management.MemoryMXBean;
 import java.lang.management.MemoryUsage;
 
 public class PerformanceInfo {
+    private static final MemoryMXBean MEMORY_BEAN = ManagementFactory.getMemoryMXBean();
 
     private final boolean showCPUUsage;
     private final OperatingSystemMXBean osBean;
-    private final MemoryMXBean memoryBean;
 
     private float memory;
     private String text;
@@ -24,15 +24,14 @@ public class PerformanceInfo {
     PerformanceInfo() {
         showCPUUsage = FMLConfig.getBoolConfigValue(FMLConfig.ConfigValue.EARLY_WINDOW_SHOW_CPU);
         osBean = showCPUUsage ? ManagementFactory.getPlatformMXBean(OperatingSystemMXBean.class) : null;
-        memoryBean = ManagementFactory.getMemoryMXBean();
     }
 
     void update() {
-        final MemoryUsage heapusage = memoryBean.getHeapMemoryUsage();
+        final MemoryUsage heapusage = MEMORY_BEAN.getHeapMemoryUsage();
         memory = (float) heapusage.getUsed() / heapusage.getMax();
 
         if (!showCPUUsage) {
-            text = "Heap: %d/%d MB (%.1f%%) OffHeap: %d MB".formatted(heapusage.getUsed() >> 20, heapusage.getMax() >> 20, memory * 100.0, memoryBean.getNonHeapMemoryUsage().getUsed() >> 20);
+            text = "Memory: %d/%dMB (%.1f%%)".formatted(heapusage.getUsed() >>> 20, heapusage.getMax() >>> 20, memory * 100f);
             return;
         }
 
@@ -44,7 +43,7 @@ public class PerformanceInfo {
             cpuText = "CPU: %.1f%%".formatted(cpuLoad * 100f);
         }
 
-        text = "Heap: %d/%d MB (%.1f%%) OffHeap: %d MB  %s".formatted(heapusage.getUsed() >> 20, heapusage.getMax() >> 20, memory * 100.0, memoryBean.getNonHeapMemoryUsage().getUsed() >> 20, cpuText);
+        text = "Memory: %d/%dMB (%.1f%%)  %s".formatted(heapusage.getUsed() >>> 20, heapusage.getMax() >>> 20, memory * 100f, cpuText);
     }
 
     String text() {

fmlearlydisplay/src/main/java/net/minecraftforge/fml/earlydisplay/RenderElement.java

@@ -22,8 +22,8 @@ public class RenderElement {
     static int globalAlpha = 255;
     private int retireCount;
 
+    @FunctionalInterface
     interface Renderer {
-
         void accept(SimpleBufferBuilder bb, DisplayContext context, int frame);
 
         default Renderer then(Renderer r) {
@@ -38,6 +38,9 @@ public class RenderElement {
     interface TextureRenderer {
         void accept(SimpleBufferBuilder bb, DisplayContext context, int[] size, int frame);
     }
+
+    /** @deprecated Use {@link Renderer} directly. This was always eagerly resolved, making it an unnecessary wrapper. */
+    @Deprecated(since = "1.21.5", forRemoval = true)
     @FunctionalInterface
     interface Initializer extends Supplier<Renderer> {}
 
@@ -56,11 +59,18 @@ public class RenderElement {
         }
     }
 
+    /** @deprecated Use {@link RenderElement#RenderElement(Renderer)} instead */
+    @Deprecated(since = "1.21.5", forRemoval = true)
     public RenderElement(final Initializer rendererInitializer) {
         this.bb = new SimpleBufferBuilder(1);
         this.renderer = rendererInitializer.get();
     }
 
+    public RenderElement(Renderer renderer) {
+        this.bb = new SimpleBufferBuilder(1);
+        this.renderer = renderer;
+    }
+
     public boolean render(DisplayContext ctx, int count) {
         this.renderer.accept(bb, ctx, count);
         return this.retireCount == 0 || this.retireCount < count;
@@ -75,7 +85,7 @@ public class RenderElement {
         List<SimpleFont.DisplayText> texts = new ArrayList<>();
         for (int i = messages.size() - 1; i >= 0; i--) {
             final StartupNotificationManager.AgeMessage pair = messages.get(i);
-            final float fade = clamp((4000.0f - (float) pair.age() - ( i - 4 ) * 1000.0f) / 5000.0f, 0.0f, 1.0f);
+            final float fade = Math.clamp((4000.0f - (float) pair.age() - ( i - 4 ) * 1000.0f) / 5000.0f, 0.0f, 1.0f);
             if (fade <0.01f) continue;
             Message msg = pair.message();
             int colour = Math.min((int)(fade * 255f), globalAlpha) << 24 | 0xFFFFFF;
@@ -84,19 +94,9 @@ public class RenderElement {
 
         font.generateVerticesForTexts(10, context.scaledHeight() -  texts.size() * font.lineSpacing() + font.descent() - 10, bb, texts.toArray(SimpleFont.DisplayText[]::new));
     }
-    public static RenderElement monag() {
-        return new RenderElement(RenderElement.initializeTexture("monagstudios.png", 45000, 4, (bb, ctx, sz, frame) -> {
-            var size = 256;
-            var x0 = (ctx.width() - 2 * size) / 2;
-            var y0 = 64;
-            QuadHelper.loadQuad(bb, x0, x0+size, y0, y0+size/2f, 0f, 1f, 0f, 0.5f, 0xFFFFFFFF);
-            QuadHelper.loadQuad(bb, x0+size, x0+2*size, y0, y0+size/2f, 0f, 1f, 0.5f, 1f, 0xFFFFFFFF);
-        }));
-
-    }
 
     public static RenderElement mojang(final int textureId, final int frameStart) {
-        return new RenderElement(()->(bb, ctx, frame) -> {
+        return new RenderElement((bb, ctx, frame) -> {
             var size = 256 * ctx.scale();
             var x0 = (ctx.scaledWidth() - 2 * size) / 2;
             var y0 = 64 * ctx.scale() + 32;
@@ -148,11 +148,11 @@ public class RenderElement {
         }));
     }
     public static RenderElement progressBars(SimpleFont font) {
-        return new RenderElement(() -> (bb, ctx, frame) -> RenderElement.startupProgressBars(font, bb, ctx, frame));
+        return new RenderElement((bb, ctx, frame) -> RenderElement.startupProgressBars(font, bb, ctx, frame));
     }
 
     public static RenderElement performanceBar(SimpleFont font) {
-        return new RenderElement(() -> (bb, ctx, frame) -> RenderElement.memoryInfo(font, bb, ctx, frame));
+        return new RenderElement((bb, ctx, frame) -> RenderElement.memoryInfo(font, bb, ctx, frame));
     }
 
     public static void startupProgressBars(SimpleFont font, final SimpleBufferBuilder buffer, final DisplayContext context, final int frameNumber) {
@@ -187,10 +187,10 @@ public class RenderElement {
     }
     private static float[] indeterminateBar(int frame, boolean isActive) {
         if (RenderElement.globalAlpha != 0xFF || !isActive) {
-            return new float[] {0f,1f};
+            return new float[] { 0f, 1f };
         } else {
-            var progress = frame % 100;
-            return new float[]{clamp((progress - 2) / 100f, 0f, 1f), clamp((progress + 2) / 100f, 0f, 1f)};
+            int progress = frame % 100;
+            return new float[] { Math.clamp((progress - 2) / 100f, 0f, 1f), Math.clamp((progress + 2) / 100f, 0f, 1f) };
         }
     }
 
@@ -249,8 +249,8 @@ public class RenderElement {
         };
     }
 
-    private static Initializer initializeText(SimpleFont font, TextGenerator textGenerator) {
-        return () -> (bb, context, frame) -> renderText(font, textGenerator, bb, context);
+    private static Renderer initializeText(SimpleFont font, TextGenerator textGenerator) {
+        return (bb, context, frame) -> renderText(font, textGenerator, bb, context);
     }
 
     private static void renderText(final SimpleFont font, final TextGenerator textGenerator, final SimpleBufferBuilder bb, final DisplayContext context) {
@@ -264,14 +264,13 @@ public class RenderElement {
     private static TextGenerator text(int x, int y, String text, int colour) {
         return (bb, font, context) -> font.generateVerticesForTexts(x, y, bb, new SimpleFont.DisplayText(text, colour));
     }
-    private static Initializer initializeTexture(final String textureFileName, int size, int textureNumber, TextureRenderer positionAndColour) {
-        return ()->{
-            int[] imgSize = STBHelper.loadTextureFromClasspath(textureFileName, size, GL_TEXTURE0 + textureNumber + INDEX_TEXTURE_OFFSET);
-            return (bb, ctx, frame) -> {
-                ctx.elementShader().updateTextureUniform(textureNumber + INDEX_TEXTURE_OFFSET);
-                ctx.elementShader().updateRenderTypeUniform(ElementShader.RenderType.TEXTURE);
-                renderTexture(bb, ctx, frame, imgSize, positionAndColour);
-            };
+
+    private static Renderer initializeTexture(final String textureFileName, int size, int textureNumber, TextureRenderer positionAndColour) {
+        int[] imgSize = STBHelper.loadTextureFromClasspath(textureFileName, size, GL_TEXTURE0 + textureNumber + INDEX_TEXTURE_OFFSET);
+        return (bb, ctx, frame) -> {
+            ctx.elementShader().updateTextureUniform(textureNumber + INDEX_TEXTURE_OFFSET);
+            ctx.elementShader().updateRenderTypeUniform(ElementShader.RenderType.TEXTURE);
+            renderTexture(bb, ctx, frame, imgSize, positionAndColour);
         };
     }
 
@@ -281,21 +280,13 @@ public class RenderElement {
         bb.draw();
     }
 
-
+    @Deprecated(since = "1.21.5", forRemoval = true)
     public static float clamp(float num, float min, float max) {
-        if (num < min) {
-            return min;
-        } else {
-            return Math.min(num, max);
-        }
+        return Math.clamp(num, min, max);
     }
 
     public static int clamp(int num, int min, int max) {
-        if (num < min) {
-            return min;
-        } else {
-            return Math.min(num, max);
-        }
+        return Math.min(max, Math.max(num, min));
     }
 
     public static int hsvToRGB(float hue, float saturation, float value) {

fmlearlydisplay/src/main/java/net/minecraftforge/fml/earlydisplay/SimpleFont.java

@@ -22,7 +22,7 @@ public class SimpleFont {
     private final int textureNumber;
     private final int lineSpacing;
     private final int descent;
-    private final int GLYPH_COUNT = 127-32;
+    private static final int GLYPH_COUNT = 127 - 32;
     private final Glyph[] glyphs;
 
     private record Glyph(char c, int charwidth, int[] pos, float[] uv) {
@@ -120,7 +120,7 @@ public class SimpleFont {
                 case '\n', '\t' -> 0;
                 case ' ' -> glyphs[0].charwidth();
                 default -> {
-                    if (c - 32 < this.GLYPH_COUNT && c > 32) {
+                    if (c - 32 < GLYPH_COUNT && c > 32) {
                         yield this.glyphs[c - 32].charwidth();
                     } else {
                         yield 0;
@@ -151,7 +151,7 @@ public class SimpleFont {
                     case '\t' -> new Pos(pos.x()+font.glyphs[0].charwidth() * 4, pos.y(), pos.minx());
                     case ' ' -> new Pos(pos.x()+font.glyphs[0].charwidth(), pos.y(), pos.minx());
                     default -> {
-                        if (c-32 < font.GLYPH_COUNT && c > 32) {
+                        if (c-32 < GLYPH_COUNT && c > 32) {
                             pos = font.glyphs[c - 32].loadQuad(pos, colour(), bb);
                         }
                         yield pos;

fmlloader/build.gradle

@@ -5,6 +5,7 @@ plugins {
     id 'maven-publish'
     id 'net.minecraftforge.licenser'
     id 'net.minecraftforge.gradleutils'
+    alias(libs.plugins.apt)
 }
 
 apply from: rootProject.file('build_shared.gradle')
@@ -12,7 +13,7 @@ apply from: rootProject.file('build_shared.gradle')
 configurations.forEach{ it.transitive = false }
 
 dependencies {
-    compileOnly(libs.nulls)
+    compileOnly(libs.jetbrains.annotations)
 
     api(libs.bundles.asm) // Needed by all the black magic
     api(libs.forgespi)
@@ -36,10 +37,11 @@ dependencies {
     implementation(libs.terminalconsoleappender)
     implementation(libs.jimfs)
 
+    // Needed because we have a custom log4j plugin, and they removed package scanning and require a data file to be generated
     implementation(libs.log4j.core)
     annotationProcessor(libs.bundles.log4j)
 
-    testCompileOnly(libs.nulls)
+    testCompileOnly(libs.jetbrains.annotations)
     testRuntimeOnly(libs.bootstrap)
 }
 
@@ -85,7 +87,7 @@ publishing {
             license PomUtils.Licenses.LGPLv2_1
         }
     }
-    
+
     repositories {
         maven gradleutils.publishingForgeMaven
     }
@@ -102,5 +104,23 @@ tasks.register('writeForgeVersionJson') {
 }
 
 tasks.named('generateResources').configure {
+    dependsOn('eclipseJdt')
+    dependsOn('eclipseJdtApt')
+    dependsOn('eclipseFactorypath')
     dependsOn('writeForgeVersionJson')
 }
+
+eclipse {
+    classpath {
+       // We need to set the default output directory for the log4j annotation processor
+       // Ideally we'd just set the value, but the eclipse plugin deduplicates the output directories
+       // So we have to do a hacky whenMerged
+       //defaultOutputDir = file('bin/main')
+       file.whenMerged {
+           entries.each { entry ->
+               if (entry.kind == 'output' && entry.hasProperty('path'))
+                   entry.path = 'bin/main'
+           }
+       }
+    }
+}

fmlloader/src/main/java/net/minecraftforge/fml/common/asm/CapabilityTokenSubclass.java

@@ -50,7 +50,14 @@ public class CapabilityTokenSubclass implements ILaunchPluginService {
 
     @Override
     public EnumSet<Phase> handlesClass(Type classType, boolean isEmpty) {
-        return isEmpty ? NAY : YAY;
+        if (isEmpty)
+            return NAY;
+
+        String internalName = classType.getInternalName();
+        if (internalName.startsWith("net/minecraft/") || internalName.startsWith("com/mojang/"))
+            return NAY;
+        
+        return YAY;
     }
 
     @Override

fmlloader/src/main/java/net/minecraftforge/fml/common/asm/ObjectHolderDefinalize.java

@@ -8,6 +8,7 @@ package net.minecraftforge.fml.common.asm;
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Function;
 import java.util.stream.Collectors;
@@ -35,6 +36,9 @@ public class ObjectHolderDefinalize implements ILaunchPluginService {
             new VanillaObjectHolderData("net.minecraft.core.particles.ParticleTypes", "particle_type", "net.minecraft.core.particles.ParticleType"),
             new VanillaObjectHolderData("net.minecraft.sounds.SoundEvents", "sound_event", "net.minecraft.sounds.SoundEvent")
     ).collect(Collectors.toUnmodifiableMap(VanillaObjectHolderData::holderClass, Function.identity()));
+    private static final Set<String> VANILLA_OBJECT_HOLDER_CLASSES = VANILLA_OBJECT_HOLDERS.keySet().stream()
+            .map(it -> it.replace('.', '/'))
+            .collect(Collectors.toUnmodifiableSet());
     private static final String OBJECT_HOLDER = "Lnet/minecraftforge/registries/ObjectHolder;"; //Don't directly reference this to prevent class loading.
     private static final int PUBLIC_STATIC_FINAL_FLAGS = Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC | Opcodes.ACC_FINAL;
 
@@ -47,9 +51,26 @@ public class ObjectHolderDefinalize implements ILaunchPluginService {
     private static final EnumSet<Phase> NAY = EnumSet.noneOf(Phase.class);
 
     @Override
-    public EnumSet<Phase> handlesClass(Type classType, boolean isEmpty)
-    {
-        return isEmpty ? NAY : YAY;
+    public EnumSet<Phase> handlesClass(Type classType, boolean isEmpty) {
+        if (isEmpty)
+            return NAY;
+
+        // Let's skip processing classes that definitely don't have object holders
+        String internalName = classType.getInternalName();
+
+        // Forge classes that aren't in the debug package (that package is used for tests)
+        if (internalName.startsWith("net/minecraftforge/") && !internalName.substring(18).contains("debug"))
+            return NAY;
+
+        // Vanilla classes that don't have object holders
+        if (internalName.startsWith("com/mojang/"))
+            return NAY;
+
+        // ...except specific ones we added to the VANILLA_OBJECT_HOLDERS map
+        if (internalName.startsWith("net/minecraft/") && !VANILLA_OBJECT_HOLDER_CLASSES.contains(internalName))
+            return NAY;
+
+        return YAY;
     }
 
     private static boolean hasHolder(List<AnnotationNode> lst) {

fmlloader/src/main/java/net/minecraftforge/fml/common/asm/RuntimeEnumExtender.java

@@ -48,9 +48,15 @@ public class RuntimeEnumExtender implements ILaunchPluginService {
     private static final EnumSet<Phase> NAY = EnumSet.noneOf(Phase.class);
 
     @Override
-    public EnumSet<Phase> handlesClass(Type classType, boolean isEmpty)
-    {
-        return isEmpty ? NAY : YAY;
+    public EnumSet<Phase> handlesClass(Type classType, boolean isEmpty) {
+        if (isEmpty)
+            return NAY;
+
+        String internalName = classType.getInternalName();
+        if (internalName.startsWith("net/minecraftforge/") || internalName.startsWith("com/mojang/"))
+            return NAY;
+
+        return YAY;
     }
 
     @Override
@@ -59,15 +65,14 @@ public class RuntimeEnumExtender implements ILaunchPluginService {
         if ((classNode.access & Opcodes.ACC_ENUM) == 0)
             return ComputeFlags.NO_REWRITE;
 
+        if (!classNode.interfaces.contains(MARKER_IFACE.getInternalName()))
+            return ComputeFlags.NO_REWRITE;
+
         Type array = Type.getType("[" + classType.getDescriptor());
         String arrayDesc = array.getDescriptor();
 
         FieldNode values = classNode.fields.stream().filter(f -> f.desc.equals(arrayDesc) && ((f.access & FLAGS) == FLAGS)).findFirst().orElse(null);
 
-        if (!classNode.interfaces.contains(MARKER_IFACE.getInternalName())) {
-            return ComputeFlags.NO_REWRITE;
-        }
-
         //Static methods named "create" with first argument as a string
         List<MethodNode> candidates = classNode.methods.stream()
                 .filter(m -> ((m.access & Opcodes.ACC_STATIC) != 0) && m.name.equals("create"))

fmlloader/src/main/java/net/minecraftforge/fml/loading/BackgroundWaiter.java

@@ -6,14 +6,13 @@
 package net.minecraftforge.fml.loading;
 
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 
 public class BackgroundWaiter {
-    private static final ExecutorService runner = Executors.newSingleThreadExecutor();
 
     public static void runAndTick(Runnable r, Runnable tick) {
+        var runner = Executors.newSingleThreadExecutor();
         ImmediateWindowHandler.updateProgress("Loading bootstrap resources");
         final Future<?> work = runner.submit(r);
         do {

fmlloader/src/main/java/net/minecraftforge/fml/loading/FMLLoader.java

@@ -56,7 +56,6 @@ public class FMLLoader {
 
         checkPackage(ITransformationService.class, "4.0", "ModLauncher");
         accessTransformer  = getPlugin(env, "accesstransformer",  "1.0", "AccessTransformer");
-        /*eventBus       =*/ getPlugin(env, "eventbus",           "1.0", "EventBus");
         runtimeDistCleaner = getPlugin(env, "runtimedistcleaner", "1.0", "RuntimeDistCleaner");
         coreModProvider = getSingleService(ICoreModProvider.class, "CoreMod");
         LOGGER.debug(CORE, "FML found CoreMod version : {}", JarVersionLookupHandler.getInfo(coreModProvider.getClass()).impl().version().orElse("MISSING"));

fmlloader/src/main/java/net/minecraftforge/fml/loading/FMLServiceProvider.java

@@ -7,7 +7,6 @@ package net.minecraftforge.fml.loading;
 
 import com.mojang.logging.LogUtils;
 import cpw.mods.modlauncher.api.*;
-import joptsimple.OptionSpecBuilder;
 import net.minecraftforge.fml.loading.moddiscovery.ModFile;
 import net.minecraftforge.forgespi.Environment;
 import org.jetbrains.annotations.NotNull;
@@ -19,7 +18,6 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
-import java.util.function.BiFunction;
 import static net.minecraftforge.fml.loading.LogMarkers.CORE;
 
 public class FMLServiceProvider implements ITransformationService {

fmlloader/src/main/java/net/minecraftforge/fml/loading/ImmediateWindowHandler.java

@@ -140,7 +140,7 @@ public class ImmediateWindowHandler {
 
         @Override
         public void updateModuleReads(final ModuleLayer layer) {
-            var fm = layer.findModule("forge");
+            var fm = layer.findModule("net.minecraftforge.forge");
             if (fm.isPresent()) {
                 getClass().getModule().addReads(fm.get());
                 var clz = fm.map(l -> Class.forName(l, "net.minecraftforge.client.loading.NoVizFallback")).orElseThrow();

fmlloader/src/main/java/net/minecraftforge/fml/loading/LoadingModList.java

@@ -5,31 +5,25 @@
 
 package net.minecraftforge.fml.loading;
 
-import cpw.mods.modlauncher.api.LamdbaExceptionUtils;
 import net.minecraftforge.fml.loading.moddiscovery.BackgroundScanHandler;
 import net.minecraftforge.fml.loading.moddiscovery.ModFile;
 import net.minecraftforge.fml.loading.moddiscovery.ModFileInfo;
 import net.minecraftforge.fml.loading.moddiscovery.ModInfo;
 import net.minecraftforge.forgespi.locating.IModFile;
 
-import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Enumeration;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.NoSuchElementException;
 import java.util.stream.Collectors;
 
 /**
  * Master list of all mods <em>in the loading context. This class cannot refer outside the
  * loading package</em>
  */
-public class LoadingModList
-{
+public class LoadingModList {
     private static LoadingModList INSTANCE;
     private final List<ModFileInfo> modFiles;
     private final List<ModInfo> sortedList;
@@ -37,15 +31,14 @@ public class LoadingModList
     private final List<EarlyLoadingException> preLoadErrors;
     private List<IModFile> brokenFiles;
 
-    private LoadingModList(final List<ModFile> modFiles, final List<ModInfo> sortedList)
-    {
+    private LoadingModList(final List<ModFile> modFiles, final List<ModInfo> sortedList) {
         this.modFiles = modFiles.stream()
                 .map(ModFile::getModFileInfo)
                 .map(ModFileInfo.class::cast)
-                .collect(Collectors.toList());
+                .toList();
         this.sortedList = sortedList.stream()
                 .map(ModInfo.class::cast)
-                .collect(Collectors.toList());
+                .toList();
         this.fileById = this.modFiles.stream()
                 .map(ModFileInfo::getMods)
                 .flatMap(Collection::stream)
@@ -54,21 +47,18 @@ public class LoadingModList
         this.preLoadErrors = new ArrayList<>();
     }
 
-    public static LoadingModList of(List<ModFile> modFiles, List<ModInfo> sortedList, final EarlyLoadingException earlyLoadingException)
-    {
+    public static LoadingModList of(List<ModFile> modFiles, List<ModInfo> sortedList, final EarlyLoadingException earlyLoadingException) {
         INSTANCE = new LoadingModList(modFiles, sortedList);
         if (earlyLoadingException != null)
-        {
             INSTANCE.preLoadErrors.add(earlyLoadingException);
-        }
         return INSTANCE;
     }
 
     public static LoadingModList get() {
         return INSTANCE;
     }
-    public void addCoreMods()
-    {
+
+    public void addCoreMods() {
         modFiles.stream()
                 .map(ModFileInfo::getFile)
                 .map(ModFile::getCoreMods)
@@ -76,8 +66,7 @@ public class LoadingModList
                 .forEach(FMLLoader.getCoreModProvider()::addCoreMod);
     }
 
-    public void addAccessTransformers()
-    {
+    public void addAccessTransformers() {
         for (ModFileInfo modFile : modFiles) {
             ModFile mod = modFile.getFile();
             var at = mod.getAccessTransformer().orElse(null);
@@ -87,21 +76,18 @@ public class LoadingModList
         }
     }
 
-    public void addForScanning(BackgroundScanHandler backgroundScanHandler)
-    {
+    public void addForScanning(BackgroundScanHandler backgroundScanHandler) {
         backgroundScanHandler.setLoadingModList(this);
         modFiles.stream()
                 .map(ModFileInfo::getFile)
                 .forEach(backgroundScanHandler::submitForScanning);
     }
 
-    public List<ModFileInfo> getModFiles()
-    {
+    public List<ModFileInfo> getModFiles() {
         return modFiles;
     }
 
-    public Path findResource(final String className)
-    {
+    public Path findResource(final String className) {
         for (ModFileInfo mf : modFiles) {
             final Path resource = mf.getFile().findResource(className);
             if (Files.exists(resource)) return resource;
@@ -109,55 +95,11 @@ public class LoadingModList
         return null;
     }
 
-    public Enumeration<URL> findAllURLsForResource(final String resName) {
-        final String resourceName;
-        // strip a leading slash
-        if (resName.startsWith("/")) {
-            resourceName = resName.substring(1);
-        } else {
-            resourceName = resName;
-        }
-        return new Enumeration<URL>() {
-            private final Iterator<ModFileInfo> modFileIterator = modFiles.iterator();
-            private URL next;
-            @Override
-            public boolean hasMoreElements() {
-                if (next!=null) return true;
-                next = findNextURL();
-                return next != null;
-            }
-
-            @Override
-            public URL nextElement() {
-                if (next == null) {
-                    next = findNextURL();
-                    if (next == null) throw new NoSuchElementException();
-                }
-                URL result = next;
-                next = null;
-                return result;
-            }
-
-            private URL findNextURL() {
-                while (modFileIterator.hasNext()) {
-                    final ModFileInfo next = modFileIterator.next();
-                    final Path resource = next.getFile().findResource(resourceName);
-                    if (Files.exists(resource)) {
-                        return LamdbaExceptionUtils.uncheck(()->new URL("modjar://" + next.getMods().get(0).getModId() + "/" + resourceName));
-                    }
-                }
-                return null;
-            }
-        };
-    }
-
-    public ModFileInfo getModFileById(String modid)
-    {
+    public ModFileInfo getModFileById(String modid) {
         return this.fileById.get(modid);
     }
 
-    public List<ModInfo> getMods()
-    {
+    public List<ModInfo> getMods() {
         return this.sortedList;
     }
 

fmlloader/src/main/java/net/minecraftforge/fml/loading/ModSorter.java

@@ -8,7 +8,7 @@ package net.minecraftforge.fml.loading;
 import com.google.common.graph.GraphBuilder;
 import com.google.common.graph.MutableGraph;
 import com.mojang.logging.LogUtils;
-import net.minecraftforge.forgespi.language.IModInfo;
+import net.minecraftforge.forgespi.language.IModInfo.ModVersion;
 import net.minecraftforge.fml.loading.EarlyLoadingException.ExceptionData;
 import net.minecraftforge.fml.loading.moddiscovery.ModFile;
 import net.minecraftforge.fml.loading.moddiscovery.ModFileInfo;
@@ -20,235 +20,250 @@ import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
 import org.slf4j.Logger;
 
 import java.util.ArrayList;
-import java.util.Collections;
+import java.util.Collection;
 import java.util.Comparator;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import static java.util.stream.Collectors.*;
 import static net.minecraftforge.fml.loading.LogMarkers.LOADING;
 
-public class ModSorter
-{
+public class ModSorter {
     private static final Logger LOGGER = LogUtils.getLogger();
-    private final UniqueModListBuilder uniqueModListBuilder;
-    private List<ModFile> modFiles;
-    private List<ModInfo> sortedList;
-    private Map<String, IModInfo> modIdNameLookup;
-    private List<ModFile> systemMods;
 
-    private ModSorter(final List<ModFile> modFiles)
-    {
-        this.uniqueModListBuilder = new UniqueModListBuilder(modFiles);
-    }
+    private record State(List<ModFile> files, List<ModInfo> mods) {}
+
+    private ModSorter() {}
+
+    @SuppressWarnings("removal")
+    public static LoadingModList sort(List<ModFile> mods, final List<ExceptionData> errors) {
+        State systemMods = detectSystemMods(mods);
+        List<ModFile> modFiles;
 
-    public static LoadingModList sort(List<ModFile> mods, final List<ExceptionData> errors)
-    {
-        final ModSorter ms = new ModSorter(mods);
         try {
-            ms.buildUniqueList();
+            modFiles = new UniqueModListBuilder(mods).buildUniqueList().modFiles();
         } catch (EarlyLoadingException e) {
             // We cannot build any list with duped mods. We have to abort immediately and report it
             // Note this will never actually throw an error because the duplicate checks are done in ModDiscovererer before we get to this phase
             // So all this is really doing is wasting time.
             // But i'm leaving it here until I rewrite all of cpw's mod loading code because its such a clusterfuck.
-            return LoadingModList.of(ms.systemMods, ms.systemMods.stream().map(mf->(ModInfo)mf.getModInfos().get(0)).toList(), e);
+            return LoadingModList.of(systemMods.files(), systemMods.mods(), e);
         }
+
+        var named = new HashMap<String, ModInfo>();
+        for (var file : modFiles) {
+            for (var info : file.getModInfos())
+                named.put(info.getModId(), (ModInfo)info);
+        }
+
         // try and validate dependencies
-        final List<ExceptionData> failedList = Stream.concat(ms.verifyDependencyVersions().stream(), errors.stream()).toList();
+        final List<ExceptionData> failedList = Stream.concat(verifyDependencyVersions(modFiles).stream(), errors.stream()).toList();
+
         // if we miss one or the other, we abort now
         if (!failedList.isEmpty()) {
-            return LoadingModList.of(ms.systemMods, ms.systemMods.stream().map(mf->(ModInfo)mf.getModInfos().get(0)).toList(), new EarlyLoadingException("failure to validate mod list", null, failedList));
+            return LoadingModList.of(systemMods.files(), systemMods.mods(), new EarlyLoadingException("failure to validate mod list", null, failedList));
         } else {
             // Otherwise, lets try and sort the modlist and proceed
-            EarlyLoadingException earlyLoadingException = null;
             try {
-                ms.sort();
+                var sorted = sort(modFiles, named);
+                return LoadingModList.of(sorted.files(), sorted.mods(), null);
             } catch (EarlyLoadingException e) {
-                earlyLoadingException = e;
+                // The only exception that can happen here is a cyclic exception, but fall back to system mods so we can display the nice screen.
+                return LoadingModList.of(systemMods.files(), systemMods.mods(), e);
             }
-            return LoadingModList.of(ms.modFiles, ms.sortedList, earlyLoadingException);
         }
     }
 
-    private void sort()
-    {
-        // lambdas are identity based, so sorting them is impossible unless you hold reference to them
-        final MutableGraph<ModFileInfo> graph = GraphBuilder.directed().build();
-        AtomicInteger counter = new AtomicInteger();
-        Map<ModFileInfo, Integer> infos = modFiles.stream()
-                .map(ModFile::getModFileInfo)
-                .filter(ModFileInfo.class::isInstance)
-                .map(ModFileInfo.class::cast)
-                .collect(toMap(Function.identity(), e -> counter.incrementAndGet()));
-        infos.keySet().forEach(graph::addNode);
-        modFiles.stream()
-                .map(ModFile::getModInfos)
-                .flatMap(List::stream)
-                .map(IModInfo::getDependencies)
-                .<IModInfo.ModVersion>flatMap(List::stream)
-                .forEach(dep -> addDependency(graph, dep));
+    private static State sort(final List<ModFile> modFiles, final Map<String, ModInfo> named) {
+        final MutableGraph<ModInfo> graph = GraphBuilder.directed().build();
 
-        final List<ModFileInfo> sorted;
-        try
-        {
-            sorted = TopologicalSort.topologicalSort(graph, Comparator.comparing(infos::get));
-        }
-        catch (CyclePresentException e)
-        {
-            Set<Set<ModFileInfo>> cycles = e.getCycles();
-            if (LOGGER.isErrorEnabled(LOADING))
-            {
-                LOGGER.error(LOADING, "Mod Sorting failed.\nDetected Cycles: {}\n", cycles);
+        int counter = 0;
+        var infos = new HashMap<ModInfo, Integer>();
+        for (var file : modFiles) {
+            if (file.getModFileInfo() instanceof ModFileInfo info) {
+                for (var imod : info.getMods()) {
+                    var mod = (ModInfo)imod;
+                    infos.put(mod, counter++);
+                    graph.addNode(mod);
+                }
             }
-            var dataList = cycles.stream()
-                    .flatMap(Set::stream)
-                    .<IModInfo>mapMulti((mf,c)->mf.getMods().forEach(c))
-                    .map(IModInfo::getModId)
-                    .map(list -> new ExceptionData("fml.modloading.cycle", list))
-                    .toList();
+        }
+
+        for (var file : modFiles) {
+            for (var info : file.getModInfos()) {
+                for (var dep : info.getDependencies()) {
+                    // Ordering isn't effected by sides, should it be?
+                    //if (!dep.getSide().isCorrectSide())
+                    //    continue;
+
+                    var target = named.get(dep.getModId());
+
+                    // soft dep that doesn't exist. No edge required.
+                    if (target == null)
+                        continue;
+
+                    var self = (ModInfo)dep.getOwner();
+
+                    switch (dep.getOrdering()) {
+                        case BEFORE -> graph.putEdge(self, target);
+                        case AFTER -> graph.putEdge(target, self);
+                        default -> {}
+                    }
+                }
+            }
+        }
+
+        final List<ModInfo> sorted;
+        try {
+            sorted = TopologicalSort.topologicalSort(graph, Comparator.comparing(infos::get));
+        } catch (CyclePresentException e) {
+            Set<Set<ModInfo>> cycles = e.getCycles();
+            var buf = new StringBuilder();
+            buf.append("Mod Sorting failed - Detected Cycles: \n");
+
+            var dataList = new ArrayList<ExceptionData>();
+            for (var cycle : cycles) {
+                buf.append("\tCycle:\n");
+                for (var mod : cycle) {
+                    var modDeps = new StringBuilder()
+                        .append(mod.getModId())
+                        .append(' ')
+                        .append(mod.getDependencies().stream()
+                            .filter(v -> cycle.stream().anyMatch(m -> m.getModId().equals(v.getModId())))
+                            .map(dep -> dep.getOrdering().name() + " " + dep.getModId())
+                            .collect(Collectors.joining(", "))
+                        );
+                    dataList.add(new ExceptionData("fml.modloading.cycle", modDeps.toString()));
+                    buf.append("\t\tMod: ").append(modDeps.toString()).append('\n');
+                }
+            }
+
+            LOGGER.error(LOADING, buf.toString());
+
             throw new EarlyLoadingException("Sorting error", e, dataList);
         }
-        this.sortedList = sorted.stream()
-                .map(ModFileInfo::getMods)
-                .flatMap(List::stream)
-                .map(ModInfo.class::cast)
-                .collect(toList());
-        this.modFiles = sorted.stream()
-                .map(ModFileInfo::getFile)
-                .collect(toList());
-    }
 
-    private void addDependency(MutableGraph<ModFileInfo> topoGraph, IModInfo.ModVersion dep)
-    {
-        final IModInfo targetModInfo = modIdNameLookup.get(dep.getModId());
-        // soft dep that doesn't exist. Just return. No edge required.
-        if (targetModInfo == null || !(targetModInfo.getOwningFile() instanceof final ModFileInfo target)) return;
+        var files = new LinkedHashSet<ModFile>();
+        var list = new ArrayList<ModInfo>();
 
-        final ModFileInfo self = (ModFileInfo)dep.getOwner().getOwningFile();
-        if (self == target)
-            return; // in case a jar has two mods that have dependencies between
-
-        switch (dep.getOrdering()) {
-            case BEFORE -> topoGraph.putEdge(self, target);
-            case AFTER -> topoGraph.putEdge(target, self);
-            default -> {}
+        for (var mod : sorted) {
+            files.add(mod.getOwningFile().getFile());
+            list.add(mod);
         }
+
+        return new State(files.stream().toList(), list);
     }
 
-    private void buildUniqueList()
-    {
-        final UniqueModListBuilder.UniqueModListData uniqueModListData = uniqueModListBuilder.buildUniqueList();
-
-        this.modFiles = uniqueModListData.modFiles();
-
-        detectSystemMods(uniqueModListData.modFilesByFirstId());
-
-        modIdNameLookup = uniqueModListData.modFilesByFirstId().entrySet().stream()
-                .filter(e -> !e.getValue().get(0).getModInfos().isEmpty())
-                .collect(Collectors.toMap(
-                    Map.Entry::getKey,
-                    e -> e.getValue().get(0).getModInfos().get(0)
-                  ));
-    }
-
-    private void detectSystemMods(final Map<String, List<ModFile>> modFilesByFirstId) {
+    private static State detectSystemMods(final List<ModFile> modFiles) {
         // Capture system mods (ex. MC, Forge) here, so we can keep them for later
         var systemMods = List.of("minecraft", "forge");
         LOGGER.debug("Configured system mods: {}", systemMods);
 
-        this.systemMods = new ArrayList<>();
+        var mods = new ArrayList<ModInfo>();
+        var files = new ArrayList<ModFile>();
         for (var systemMod : systemMods) {
-            var container = modFilesByFirstId.get(systemMod);
-            if (container != null && !container.isEmpty()) {
-                LOGGER.debug("Found system mod: {}", systemMod);
-                this.systemMods.add(container.getFirst());
-            } else {
+            var mod = findMod(modFiles, systemMod);
+            if (mod == null)
                 throw new IllegalStateException("Failed to find system mod: " + systemMod);
-            }
+
+            LOGGER.debug("Found system mod: {}", systemMod);
+            mods.add(mod.info());
+            files.add(mod.file());
         }
+
+        return new State(files, mods);
     }
 
-    private List<EarlyLoadingException.ExceptionData> verifyDependencyVersions()
-    {
-        final var modVersions = modFiles.stream()
-                .map(ModFile::getModInfos)
-                .flatMap(List::stream)
-                .collect(toMap(IModInfo::getModId, IModInfo::getVersion));
+    private record ModPair(ModFile file, ModInfo info) {}
+    private static ModPair findMod(final List<ModFile> modFiles, String name) {
+        for (var file : modFiles) {
+            for (var mod : file.getModFileInfo().getMods()) {
+                if (name.equals(mod.getModId()))
+                    return new ModPair(file, (ModInfo)mod);
+            }
+        }
+        return null;
+    }
 
-        final var modVersionDependencies = modFiles.stream()
-                .map(ModFile::getModInfos)
-                .flatMap(List::stream)
-                .collect(groupingBy(Function.identity(), flatMapping(e -> e.getDependencies().stream(), toList())));
+    private static List<ExceptionData> verifyDependencyVersions(final List<ModFile> files) {
+        final var modVersions = new HashMap<String, ArtifactVersion>();
+        final var modRequirements = new HashSet<ModVersion>();
+        int mandatoryRequired = 0;
 
-        final var modRequirements = modVersionDependencies.values().stream()
-                .<IModInfo.ModVersion>flatMap(List::stream)
-                .filter(mv -> mv.getSide().isCorrectSide())
-                .collect(toSet());
+        for (var file : files) {
+            for (var info : file.getModInfos()) {
+                modVersions.put(info.getModId(), info.getVersion());
+                for (var dep : info.getDependencies()) {
+                    if (dep.getSide().isCorrectSide()) {
+                        if (modRequirements.add(dep) && dep.isMandatory())
+                            mandatoryRequired++;
+                    }
+                }
+            }
+        }
 
-        final long mandatoryRequired = modRequirements.stream().filter(IModInfo.ModVersion::isMandatory).count();
         LOGGER.debug(LOADING, "Found {} mod requirements ({} mandatory, {} optional)", modRequirements.size(), mandatoryRequired, modRequirements.size() - mandatoryRequired);
-        final var missingVersions = modRequirements.stream()
-                .filter(mv -> (mv.isMandatory() || modVersions.containsKey(mv.getModId())) && !modVersionContained(mv, modVersions))
-                .collect(toSet());
-        final long mandatoryMissing = missingVersions.stream().filter(IModInfo.ModVersion::isMandatory).count();
-        LOGGER.debug(LOADING, "Found {} mod requirements missing ({} mandatory, {} optional)", missingVersions.size(), mandatoryMissing, missingVersions.size() - mandatoryMissing);
 
-        if (!missingVersions.isEmpty()) {
-            if (mandatoryMissing > 0) {
-                LOGGER.error(
-                        LOADING,
-                        "Missing or unsupported mandatory dependencies:\n{}",
-                        missingVersions.stream()
-                                .filter(IModInfo.ModVersion::isMandatory)
-                                .map(ver -> formatDependencyError(ver, modVersions))
-                                .collect(Collectors.joining("\n"))
-                );
-            }
-            if (missingVersions.size() - mandatoryMissing > 0) {
-                LOGGER.error(
-                        LOADING,
-                        "Unsupported installed optional dependencies:\n{}",
-                        missingVersions.stream()
-                                .filter(ver -> !ver.isMandatory())
-                                .map(ver -> formatDependencyError(ver, modVersions))
-                                .collect(Collectors.joining("\n"))
-                );
-            }
+        final var missingMandatory = new HashSet<ModVersion>();
+        final var missingOptional = new HashSet<ModVersion>();
 
-            return missingVersions.stream()
-                    .map(mv -> new ExceptionData(mv.isMandatory() ? "fml.modloading.missingdependency" : "fml.modloading.missingdependency.optional",
-                            mv.getOwner(), mv.getModId(), mv.getOwner().getModId(), mv.getVersionRange(),
-                            modVersions.getOrDefault(mv.getModId(), new DefaultArtifactVersion("null"))))
-                    .toList();
+        for (var dep : modRequirements) {
+            var modId = dep.getModId();
+            var existing = modVersions.get(modId);
+
+            if (!dep.isMandatory() && existing == null)
+                continue;
+
+            var range = dep.getVersionRange();
+            if (existing != null && (range.containsVersion(existing) || "0.0NONE".equals(existing.toString())))
+                continue;
+
+            if (!VersionSupportMatrix.testVersionSupportMatrix(range, modId, "mod"))
+                (dep.isMandatory() ? missingMandatory : missingOptional).add(dep);
         }
-        return Collections.emptyList();
+
+
+        LOGGER.debug(LOADING, "Found {} mod requirements missing ({} mandatory, {} optional)", missingMandatory.size() + missingOptional.size(), missingMandatory.size(), missingOptional.size());
+
+        var ret = new ArrayList<ExceptionData>();
+
+        if (!missingMandatory.isEmpty()) {
+            LOGGER.error(LOADING, "Missing or unsupported mandatory dependencies:\n{}", formatDependencyError(missingMandatory, modVersions));
+            for (var mv : missingMandatory)
+                ret.add(data(mv, modVersions, "fml.modloading.missingdependency"));
+        }
+
+        if (!missingOptional.isEmpty()) {
+            LOGGER.error(LOADING, "Unsupported installed optional dependencies:\n{}", formatDependencyError(missingMandatory, modVersions));
+            for (var mv : missingMandatory)
+                ret.add(data(mv, modVersions, "fml.modloading.missingdependency.optional"));
+        }
+
+        return ret;
     }
 
-    private static String formatDependencyError(IModInfo.ModVersion dependency, Map<String, ArtifactVersion> modVersions)
-    {
-        ArtifactVersion installed = modVersions.get(dependency.getModId());
-        return String.format(
+    private static String formatDependencyError(Collection<ModVersion> missing, Map<String, ArtifactVersion> modVersions) {
+        var ret = new ArrayList<String>();
+        for (var dep : missing) {
+            var installed = modVersions.get(dep.getModId());
+            ret.add(String.format(
                 "\tMod ID: '%s', Requested by: '%s', Expected range: '%s', Actual version: '%s'",
-                dependency.getModId(),
-                dependency.getOwner().getModId(),
-                dependency.getVersionRange(),
+                dep.getModId(),
+                dep.getOwner().getModId(),
+                dep.getVersionRange(),
                 installed != null ? installed.toString() : "[MISSING]"
-        );
+            ));
+        }
+        return String.join("\n", ret);
     }
 
-    private static boolean modVersionContained(IModInfo.ModVersion mv, Map<String, ArtifactVersion> modVersions) {
-        var modId = mv.getModId();
-        var range = mv.getVersionRange();
-        if (modVersions.containsKey(modId)
-                && (range.containsVersion(modVersions.get(modId)) || modVersions.get(modId).toString().equals("0.0NONE")))
-            return true;
-
-        return VersionSupportMatrix.testVersionSupportMatrix(mv.getVersionRange(), mv.getModId(), "mod");
+    private static final ArtifactVersion NULL_VERSION = new DefaultArtifactVersion("null");
+    private static ExceptionData data(ModVersion mv, Map<String, ArtifactVersion> modVersions, String key) {
+        return new ExceptionData(key, mv.getOwner(), mv.getModId(), mv.getOwner().getModId(), mv.getVersionRange(), modVersions.getOrDefault(mv.getModId(), NULL_VERSION));
     }
 }

fmlloader/src/main/java/net/minecraftforge/fml/loading/RuntimeDistCleaner.java

@@ -40,6 +40,21 @@ public class RuntimeDistCleaner implements ILaunchPluginService {
         return "runtimedistcleaner";
     }
 
+    private static final EnumSet<Phase> YAY = EnumSet.of(Phase.AFTER);
+    private static final EnumSet<Phase> NAY = EnumSet.noneOf(Phase.class);
+
+    @Override
+    public EnumSet<Phase> handlesClass(Type classType, boolean isEmpty) {
+        if (isEmpty)
+            return NAY;
+
+        String internalName = classType.getInternalName();
+        if (internalName.startsWith("net/minecraftforge/"))
+            return NAY;
+
+        return YAY;
+    }
+
     @Override
     public int processClassWithFlags(final Phase phase, final ClassNode classNode, final Type classType, final String reason) {
         var changed = false;
@@ -198,14 +213,6 @@ public class RuntimeDistCleaner implements ILaunchPluginService {
         };
     }
 
-    private static final EnumSet<Phase> YAY = EnumSet.of(Phase.AFTER);
-    private static final EnumSet<Phase> NAY = EnumSet.noneOf(Phase.class);
-
-    @Override
-    public EnumSet<Phase> handlesClass(Type classType, boolean isEmpty) {
-        return isEmpty ? NAY : YAY;
-    }
-
     private static class LambdaGatherer extends MethodVisitor {
         private static final Handle META_FACTORY = new Handle(Opcodes.H_INVOKESTATIC,
                 "java/lang/invoke/LambdaMetafactory", "metafactory",

fmlloader/src/main/java/net/minecraftforge/fml/loading/UniqueModListBuilder.java

@@ -9,6 +9,7 @@ import com.mojang.logging.LogUtils;
 import net.minecraftforge.fml.loading.moddiscovery.ModFile;
 import net.minecraftforge.forgespi.language.IModInfo;
 import org.apache.maven.artifact.versioning.ArtifactVersion;
+import org.jetbrains.annotations.ApiStatus;
 import org.slf4j.Logger;
 
 import java.util.ArrayList;
@@ -23,16 +24,18 @@ import static java.util.stream.Collectors.groupingBy;
 import static java.util.stream.Collectors.joining;
 import static net.minecraftforge.fml.loading.LogMarkers.LOADING;
 
-public class UniqueModListBuilder
-{
+@ApiStatus.Internal
+@Deprecated(since = "1.21.3", forRemoval = true) // TODO: [FML][Loading] Convert to package private in 1.22
+public class UniqueModListBuilder {
     private final static Logger LOGGER = LogUtils.getLogger();
 
     private final List<ModFile> modFiles;
 
-    public UniqueModListBuilder(final List<ModFile> modFiles) {this.modFiles = modFiles;}
+    public UniqueModListBuilder(final List<ModFile> modFiles) {
+        this.modFiles = modFiles;
+    }
 
-    public UniqueModListData buildUniqueList()
-    {
+    public UniqueModListData buildUniqueList() {
         List<ModFile> uniqueModList;
         List<ModFile> uniqueLibListWithVersion;
 
@@ -135,9 +138,8 @@ public class UniqueModListBuilder
             return modFile.getSecureJar().name();
         }
 
-        return modFile.getModFileInfo().moduleName();
+        return modFile.getModFileInfo().getMods().get(0).getModId();
     }
 
     public record UniqueModListData(List<ModFile> modFiles, Map<String, List<ModFile>> modFilesByFirstId) {}
-
 }

fmlloader/src/main/java/net/minecraftforge/fml/loading/log4j/ForgeHighlight.java

@@ -18,9 +18,7 @@ import org.apache.logging.log4j.util.PerformanceSensitive;
 import org.jetbrains.annotations.Nullable;
 
 import java.lang.reflect.Method;
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
 
 /**
  * A wrapper for {@link HighlightConverter} that auto-disables ANSI when the terminal doesn't support it.

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/AbstractModProvider.java

@@ -6,6 +6,7 @@
 package net.minecraftforge.fml.loading.moddiscovery;
 
 import com.mojang.logging.LogUtils;
+
 import cpw.mods.jarhandling.JarMetadata;
 import cpw.mods.jarhandling.SecureJar;
 import net.minecraftforge.fml.loading.LogMarkers;
@@ -22,19 +23,25 @@ import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 
 import java.io.IOException;
+import java.lang.module.InvalidModuleDescriptorException;
+import java.lang.module.ModuleDescriptor;
+import java.lang.module.ModuleDescriptor.Version;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.function.Consumer;
 import java.util.jar.JarFile;
+import java.util.stream.Collectors;
 
 @ApiStatus.Internal
 public abstract class AbstractModProvider implements IModProvider {
-    private static final   Logger LOGGER    = LogUtils.getLogger();
-    protected static final String MODS_TOML = "META-INF/mods.toml";
+    private static final   Logger LOGGER      = LogUtils.getLogger();
+    protected static final String MODS_TOML   = "META-INF/mods.toml";
+    protected static final String MODULE_INFO = "module-info.class";
 
     protected IModLocator.ModFileOrException createMod(Path path) {
         return createMod(path, false);
@@ -48,10 +55,12 @@ public abstract class AbstractModProvider implements IModProvider {
     @Nullable
     protected IModLocator.ModFileOrException createMod(Path path, boolean ignoreUnknown, String defaultType) {
         var mjm = new ModJarMetadata();
-        var sj = SecureJar.from(
-            jar -> jar.moduleDataProvider().findFile(MODS_TOML).isPresent() ? mjm : JarMetadata.from(jar, path),
-            path
-        );
+        SecureJar sj = null;
+        try {
+            sj = SecureJar.from(jar -> loadMetaFromJar(jar, mjm), path);
+        } catch (Throwable t) {
+            return new IModLocator.ModFileOrException(null, new ModFileLoadingException("Failed to create secure jar for \"" + path + "\" - " + t.getMessage()));
+        }
 
         IModFile mod;
         var type = sj.moduleDataProvider().getManifest().getMainAttributes().getValue(ModFile.TYPE);
@@ -61,6 +70,8 @@ public abstract class AbstractModProvider implements IModProvider {
         if (sj.moduleDataProvider().findFile(MODS_TOML).isPresent()) {
             LOGGER.debug(LogMarkers.SCAN, "Found {} mod of type {}: {}", MODS_TOML, type, path);
             mod = new ModFile(sj, this, ModFileParser::modsTomlParser);
+            // ModJarMetadata is only used when loading mods.toml mods as ModJarMetadata
+            mjm.setModFile(mod);
             if (mod.getModFileInfo().getFileProperties().containsKey(ModFileInfo.NOT_A_FORGE_MOD_PROP)) {
                 LOGGER.error(LogMarkers.SCAN, "Unable to load file \"{}\" because its mods.toml is requesting an invalid javafml loaderVersion (use \"*\" if you want to allow all versions) and is missing a forge modId dependency declaration (see the sample mods.toml in the MDK).", path);
                 return new IModLocator.ModFileOrException(null, new ModFileLoadingException("File \"%s\" is not a Forge mod and cannot be loaded. Look for a Forge version of this mod or consider alternative mods.".formatted(mod.getFileName())));
@@ -73,10 +84,54 @@ public abstract class AbstractModProvider implements IModProvider {
         } else
             return new IModLocator.ModFileOrException(null, new ModFileLoadingException("Invalid mod file found " + path));
 
-        mjm.setModFile(mod);
         return new IModLocator.ModFileOrException(mod, null);
     }
 
+    private static JarMetadata loadMetaFromJar(SecureJar jar, ModJarMetadata mjm) {
+        var info = jar.moduleDataProvider().open(MODULE_INFO).orElse(null);
+        if (info != null) {
+            try {
+                var desc = ModuleDescriptor.read(info, jar::getPackages);
+                var all = new HashSet<>(jar.getPackages());
+                all.removeAll(desc.packages());
+                if (!all.isEmpty()) {
+                    var missing = all.stream().sorted().collect(Collectors.joining(", "));
+                    LOGGER.error("Invalid module-info, missing packages " + missing);
+                    throw new ModFileLoadingException("Invalid module-info, missing packages " + missing);
+                } else {
+                    return new JarMetadata() {
+                        @Override
+                        public String name() {
+                            return desc.name();
+                        }
+
+                        @Override
+                        public String version() {
+                            return desc.version().map(Version::toString).or(desc::rawVersion).orElse(null);
+                        }
+
+                        @Override
+                        public ModuleDescriptor descriptor() {
+                            return desc;
+                        }
+                    };
+                }
+            } catch (InvalidModuleDescriptorException | IOException e) {
+                LOGGER.error("Failed to parse " + jar.getPrimaryPath() + " module-info", e);
+                throw new ModFileLoadingException("Invalid module-info: " + e.getMessage());
+            } finally {
+                try {
+                    info.close();
+                } catch (IOException e) {}
+            }
+        }
+
+        if (jar.moduleDataProvider().findFile(MODS_TOML).isEmpty())
+            return JarMetadata.from(jar, jar.getPrimaryPath());
+
+        return mjm;
+    }
+
     protected IModFileInfo manifestParser(final IModFile mod) {
         var mf = mod.getSecureJar().moduleDataProvider().getManifest().getMainAttributes();
         var license = mf.getValue("LICENSE");

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/InvalidModIdentifier.java

@@ -9,7 +9,6 @@ import cpw.mods.modlauncher.api.LamdbaExceptionUtils.Supplier_WithExceptions;
 import net.minecraftforge.fml.loading.StringUtils;
 
 import java.nio.file.Path;
-import java.util.Arrays;
 import java.util.Optional;
 import java.util.function.BiPredicate;
 import java.util.stream.Stream;

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/MinecraftLocator.java

@@ -22,13 +22,11 @@ public final class MinecraftLocator extends AbstractModProvider implements IModL
     @Override
     public List<IModLocator.ModFileOrException> scanMods() {
         var minecraft = FMLLoader.getLaunchHandler().getMinecraftPaths();
+        var paths = minecraft.toArray(Path[]::new);
 
         // Minecraft itself.
         var meta = new ModJarMetadata();
-        var mcjar = SecureJar.from(
-            jar -> meta,
-            minecraft.toArray(Path[]::new)
-        );
+        var mcjar = SecureJar.from(jar -> meta, paths);
         var mc = ModFileFactory.FACTORY.build(mcjar, this, MinecraftLocator::buildMinecraftTOML);
         meta.setModFile(mc);
 
@@ -45,10 +43,10 @@ public final class MinecraftLocator extends AbstractModProvider implements IModL
         mods.set("modId", "minecraft");
         mods.set("version", FMLLoader.versionInfo().mcVersion());
         mods.set("displayName", "Minecraft");
-        mods.set("logoFile", "mcplogo.png");
-        mods.set("credits", "Mojang, deobfuscated by MCP");
-        mods.set("authors", "MCP: Searge,ProfMobius,IngisKahn,Fesh0r,ZeuX,R4wk,LexManos,Bspkrs");
-        mods.set("description", "Minecraft, decompiled and deobfuscated with MCP technology");
+        //mods.set("logoFile", "mcplogo.png");
+        //mods.set("credits", "Mojang, deobfuscated by MCP");
+        //mods.set("authors", "MCP: Searge,ProfMobius,IngisKahn,Fesh0r,ZeuX,R4wk,LexManos,Bspkrs");
+        mods.set("description", "The base Minecraft game, published by Mojang decompiled and deobfuscated by Forge");
         conf.set("mods", List.of(mods));
 
         var configWrapper = new NightConfigWrapper(conf);

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/ModDiscoverer.java

@@ -68,6 +68,7 @@ public class ModDiscoverer {
         }
     }
 
+    @SuppressWarnings("removal")
     public ModValidator discoverMods() {
         LOGGER.debug(LogMarkers.SCAN,"Scanning for mods and other resources to load. We know {} ways to find mods", modLocatorList.size());
         List<ModFile> loadedFiles = new ArrayList<>();

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/ModFileInfo.java

@@ -259,7 +259,7 @@ public class ModFileInfo implements IModFileInfo, IConfigurable {
 
     @Override
     public String moduleName() {
-        return getMods().get(0).getModId();
+        return this.modFile.getSecureJar().name();
     }
 
     @Override

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/ModJarMetadata.java

@@ -9,49 +9,64 @@ import cpw.mods.jarhandling.JarMetadata;
 import net.minecraftforge.forgespi.locating.IModFile;
 import java.lang.module.ModuleDescriptor;
 import java.util.Objects;
-
 import org.jetbrains.annotations.ApiStatus;
 
 @ApiStatus.Internal
 public final class ModJarMetadata implements JarMetadata {
+    private static final String AUTOMATIC_MODULE_NAME = "Automatic-Module-Name";
     private IModFile modFile;
+    private String name;
+    private String version;
     private ModuleDescriptor descriptor;
 
-    ModJarMetadata() {
-    }
+    ModJarMetadata() { }
 
     public void setModFile(IModFile file) {
         this.modFile = file;
+        var mods = this.modFile.getModFileInfo().getMods();
+
+        if (!mods.isEmpty()) {
+            var main = mods.get(0);
+            this.name = main.getModId();
+            this.version = main.getVersion().toString();
+        }
+
+        var jar = file.getSecureJar();
+        var aname = jar.moduleDataProvider().getManifest().getMainAttributes().getValue(AUTOMATIC_MODULE_NAME);
+        if (aname != null)
+            this.name = aname;
     }
 
     @Override
     public String name() {
-        return modFile.getModFileInfo().moduleName();
+        return this.name;
     }
 
     @Override
     public String version() {
-        return modFile.getModFileInfo().versionString();
+        return this.version;
     }
 
     @Override
     public ModuleDescriptor descriptor() {
-        if (descriptor != null) return descriptor;
+        if (descriptor != null)
+            return descriptor;
+
         var bld = ModuleDescriptor.newAutomaticModule(name())
-                .version(version())
-                .packages(modFile.getSecureJar().getPackages());
-        modFile.getSecureJar().getProviders().stream()
-                .filter(p -> !p.providers().isEmpty())
-                .forEach(p -> bld.provides(p.serviceName(), p.providers()));
-        modFile.getModFileInfo().usesServices().forEach(bld::uses);
+            .version(version())
+            .packages(modFile.getSecureJar().getPackages());
+
+        for (var provider : modFile.getSecureJar().getProviders()) {
+            if (provider.providers().isEmpty())
+                continue;
+
+            bld.provides(provider.serviceName(), provider.providers());
+        }
+
         descriptor = bld.build();
         return descriptor;
     }
 
-    public IModFile modFile() {
-        return modFile;
-    }
-
     @Override
     public boolean equals(Object obj) {
         if (obj == this) return true;

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/ModsFolderLocator.java

@@ -17,7 +17,6 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
-import java.util.Comparator;
 import java.util.List;
 import java.util.Locale;
 

fmlloader/src/main/java/net/minecraftforge/fml/loading/moddiscovery/Scanner.java

@@ -46,7 +46,7 @@ record Scanner(ModFile fileToScan, ModFileScanData result) {
         try (InputStream in = Files.newInputStream(path)) {
             ModClassVisitor mcv = new ModClassVisitor();
             ClassReader cr = new ClassReader(in);
-            cr.accept(mcv, 0);
+            cr.accept(mcv, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
             mcv.buildData(result.getClasses(), result.getAnnotations());
         } catch (IOException | IllegalArgumentException e) {
             // mark path bad

fmlloader/src/main/java/net/minecraftforge/fml/loading/targets/ArgumentList.java

@@ -81,6 +81,10 @@ class ArgumentList {
             .toArray(String[]::new);
     }
 
+    public boolean has(String key) {
+        return this.values.containsKey(key);
+    }
+
     public boolean hasValue(String key) {
         return getOrDefault(key, null) != null;
     }

fmlloader/src/main/java/net/minecraftforge/fml/loading/targets/CommonDevLaunchHandler.java

@@ -22,6 +22,10 @@ abstract class CommonDevLaunchHandler extends CommonLaunchHandler {
         super(type, prefix);
     }
 
+    protected CommonDevLaunchHandler(String name) {
+        super(name);
+    }
+
     @Override public String getNaming() { return "mcp"; }
     @Override public boolean isProduction() { return false; }
 
@@ -29,13 +33,35 @@ abstract class CommonDevLaunchHandler extends CommonLaunchHandler {
     protected String[] preLaunch(String[] arguments, ModuleLayer layer) {
         super.preLaunch(arguments, layer);
 
+        var args = ArgumentList.from(arguments);
+
+        if (this.module == null) {
+            var entry = args.get("launchEntry");
+            if (entry == null)
+                throw new IllegalArgumentException("When using " + this.name() + " launch target you must specify a --launchEntry argument");
+
+            args.remove("launchEntry");
+
+            int idx = entry.indexOf('/');
+            if (idx == -1) {
+                this.module = "minecraft";
+                this.main = entry;
+            } else {
+                this.module = entry.substring(0, idx);
+                this.main = entry.substring(idx + 1);
+            }
+
+            if (args.has("launchData")) {
+                args.remove("launchData");
+                this.isData = true;
+            }
+        }
+
         if (getDist().isDedicatedServer())
-            return arguments;
+            return args.getArguments();
 
         if (isData())
-            return arguments;
-
-        var args = ArgumentList.from(arguments);
+            return args.getArguments();
 
         String username = args.get("username");
         if (username != null) { // Replace '#' placeholders with random numbers

fmlloader/src/main/java/net/minecraftforge/fml/loading/targets/CommonLaunchHandler.java

@@ -29,17 +29,27 @@ import java.util.List;
 public abstract class CommonLaunchHandler implements ILaunchHandlerService {
     protected static final Logger LOGGER = LogUtils.getLogger();
 
-    protected final LaunchType type;
-    private final String prefix;
+    private final String name;
+    protected Dist dist = Dist.CLIENT;
+    protected boolean isData = false;
+    protected String module;
+    protected String main;
 
     protected CommonLaunchHandler(LaunchType type, String prefix) {
-        this.type = type;
-        this.prefix = prefix;
+        this(prefix + type.name());
+        this.dist = type.dist();
+        this.isData = type.data();
+        this.module = type.module();
+        this.main = type.main();
     }
 
-    @Override public String name() { return this.prefix + this.type.name(); }
-    public Dist getDist() { return this.type.dist(); }
-    public boolean isData() { return this.type.data(); }
+    protected CommonLaunchHandler(String name) {
+        this.name = name;
+    }
+
+    @Override public String name() { return this.name; }
+    public Dist getDist() { return this.dist; }
+    public boolean isData() { return this.isData; }
     public boolean isProduction() { return false; }
     public abstract String getNaming();
 
@@ -66,14 +76,15 @@ public abstract class CommonLaunchHandler implements ILaunchHandlerService {
     }
 
     protected ServiceRunner makeService(final String[] arguments, final ModuleLayer gameLayer) {
-        return () -> runTarget(this.type.module(), this.type.main(), arguments, gameLayer);
+        return () -> runTarget(this.module, this.main, arguments, gameLayer);
     }
 
     protected record LaunchType(String name, String module, String main, Dist dist, boolean data) {};
     protected static final LaunchType CLIENT          = new LaunchType("client", "minecraft", "net.minecraft.client.main.Main", Dist.CLIENT, false);
+    protected static final LaunchType CLIENT_DATA     = new LaunchType("client_data", "minecraft", "net.minecraft.client.data.Main", Dist.CLIENT, true);
     protected static final LaunchType DATA            = new LaunchType("data",   "minecraft", "net.minecraft.data.Main", Dist.CLIENT, true);
     protected static final LaunchType SERVER          = new LaunchType("server", "minecraft", "net.minecraft.server.Main", Dist.DEDICATED_SERVER, false);
-    protected static final LaunchType SERVER_GAMETEST = new LaunchType("server_gametest", "forge", "net.minecraftforge.gametest.GameTestMain", Dist.DEDICATED_SERVER, false);
+    protected static final LaunchType SERVER_GAMETEST = new LaunchType("server_gametest", "net.minecraftforge.forge", "net.minecraftforge.gametest.GameTestMain", Dist.DEDICATED_SERVER, false);
 
     protected void runTarget(String module, String target, final String[] arguments, final ModuleLayer layer) throws Throwable {
         var mod = layer.findModule(module).orElse(null);

fmlloader/src/main/java/net/minecraftforge/fml/loading/targets/ForgeDevLaunchHandler.java

@@ -14,12 +14,14 @@ sealed abstract class ForgeDevLaunchHandler extends CommonDevLaunchHandler {
         super(type, "forge_dev_");
     }
 
+    private ForgeDevLaunchHandler(String name) {
+        super(name);
+    }
+
     @Override
     public List<Path> getMinecraftPaths() {
-
-        // The extra jar is on the classpath, so try and pull it out of the legacy classpath
-        var legacyCP = findClassPath();
-        var extra = findJarOnClasspath(legacyCP, "client-extra");
+        // The client extra jar is on the classpath we can try locating it using the .mcassetsroot which vanilla uses for loading data
+        var extra = getPathFromResource("assets/.mcassetsroot");
         // Minecraft is an exploded directory, so find it.
         var minecraft = getPathFromResource("net/minecraft/client/Minecraft.class");
         var forge = getPathFromResource("net/minecraftforge/common/MinecraftForge.class");
@@ -39,6 +41,12 @@ sealed abstract class ForgeDevLaunchHandler extends CommonDevLaunchHandler {
         }
     }
 
+    public static final class ClientData extends ForgeDevLaunchHandler {
+        public ClientData() {
+            super(CLIENT_DATA);
+        }
+    }
+
     public static final class Data extends ForgeDevLaunchHandler {
         public Data() {
             super(DATA);
@@ -56,4 +64,10 @@ sealed abstract class ForgeDevLaunchHandler extends CommonDevLaunchHandler {
             super(SERVER_GAMETEST);
         }
     }
+
+    public static final class Custom extends ForgeDevLaunchHandler {
+        public Custom() {
+            super("forge_dev");
+        }
+    }
 }

fmlloader/src/main/java/net/minecraftforge/fml/loading/targets/ForgeDevLocator.java

@@ -91,23 +91,24 @@ public final class ForgeDevLocator extends AbstractModProvider implements IModLo
         // First lets find all class files, that have the @Mod annotation and map packages to modids.
         var packages = findTestModPackages(path);
         for (var entry : packages.entrySet()) {
-            var pkg = entry.getKey();
+            var pkg = entry.getKey() + '/';
             var modids = entry.getValue();
 
             // Find resource directories for every mod in this group
-            var resourcePaths = new LinkedHashSet<Path>();
+            var paths = new LinkedHashSet<Path>();
             for (var modid : modids) {
                 var rsc = path.resolve(modid);
                 if (Files.exists(rsc))
-                    resourcePaths.add(rsc);
+                    paths.add(rsc);
             }
 
             var root = memory.getPath(modids.iterator().next()); // use the first modid as our root
-            buildModsToml(resourcePaths, modids, root);
-            buildPackMeta(resourcePaths, root);
+            buildModsToml(paths, modids, root);
+            buildPackMeta(paths, root);
+            moveModuleInfo(paths, root);
 
             if (Files.exists(root))
-                resourcePaths.add(root);
+                paths.add(root);
 
             // We want just the class files from the root of the input paths. So make a new union with a filter.
             var classes = UnionHelper.newFileSystem(
@@ -121,14 +122,10 @@ public final class ForgeDevLocator extends AbstractModProvider implements IModLo
                 }, new Path[] { path }
             );
 
-            // And we want the resources, and none of the classes, just in case things get kinda fucky and somehow a package overlaps a sub package {shading?}
-            var resources = UnionHelper.newFileSystem((name, base) -> !name.endsWith(".class"), resourcePaths.toArray(Path[]::new));
+            paths.addFirst(classes.getRootDirectories().iterator().next());
 
             // Union of unions, Yay!
-            var union = UnionHelper.newFileSystem(null, new Path[] {
-                classes.getRootDirectories().iterator().next(),
-                resources.getRootDirectories().iterator().next()
-            });
+            var union = UnionHelper.newFileSystem(null, paths.stream().toArray(Path[]::new));
             mod.add(union.getRootDirectories().iterator().next());
         }
 
@@ -274,6 +271,25 @@ public final class ForgeDevLocator extends AbstractModProvider implements IModLo
         }
     }
 
+    private static void moveModuleInfo(Set<Path> paths, Path root) {
+        var existing = paths.stream()
+            .map(p -> p.resolve("module-info.dat"))
+            .filter(Files::exists)
+            .findFirst()
+            .orElse(null);
+
+        if (existing == null)
+            return;
+
+        var target = root.resolve("module-info.class");
+        try {
+            Files.createDirectories(target.getParent());
+            Files.copy(existing, target);
+        } catch (IOException e) {
+            throw new IllegalStateException("Failed to copy module-info.dat to memory: " + target, e);
+        }
+    }
+
     @SuppressWarnings("unchecked")
     private static <E extends Throwable, R> R sneak(Throwable e) throws E {
         throw (E)e;

fmlloader/src/main/java/net/minecraftforge/fml/loading/targets/ForgeUserdevLaunchHandler.java

@@ -8,17 +8,18 @@ package net.minecraftforge.fml.loading.targets;
 import net.minecraftforge.fml.loading.FMLLoader;
 import java.nio.file.Path;
 import java.util.List;
-import java.util.function.BiPredicate;
 import org.jetbrains.annotations.ApiStatus;
 
-import cpw.mods.jarhandling.SecureJar;
-
 @ApiStatus.Internal
 sealed abstract class ForgeUserdevLaunchHandler extends CommonDevLaunchHandler {
     private ForgeUserdevLaunchHandler(LaunchType type) {
         super(type, "forge_userdev_");
     }
 
+    private ForgeUserdevLaunchHandler(String name) {
+        super(name);
+    }
+
     @Override
     public List<Path> getMinecraftPaths() {
         var legacyCP = findClassPath();
@@ -26,7 +27,7 @@ sealed abstract class ForgeUserdevLaunchHandler extends CommonDevLaunchHandler {
 
         // Minecraft is extra jar {resources} + forge jar {patches}
         // The MC extra and forge jars are on the classpath, so try and pull them out
-        var extra = findJarOnClasspath(legacyCP, "client-extra");
+        var extra = findJarOnClasspath(legacyCP, "client-extra"); // This should be "client-" + vers.mcAndMCPVersion() + "-extra" but FG6 qwerks
         var forge = findJarOnClasspath(legacyCP, "forge-" + vers.mcAndForgeVersion());
         // We need to filter the forge jar to just MC code
         var minecraft = CommonDevLaunchHandler.getMinecraftOnly(extra, forge);
@@ -39,6 +40,12 @@ sealed abstract class ForgeUserdevLaunchHandler extends CommonDevLaunchHandler {
         }
     }
 
+    public static final class ClientData extends ForgeUserdevLaunchHandler {
+        public ClientData() {
+            super(CLIENT_DATA);
+        }
+    }
+
     public static final class Data extends ForgeUserdevLaunchHandler {
         public Data() {
             super(DATA);
@@ -56,4 +63,10 @@ sealed abstract class ForgeUserdevLaunchHandler extends CommonDevLaunchHandler {
             super(SERVER_GAMETEST);
         }
     }
+
+    public static final class Custom extends ForgeUserdevLaunchHandler {
+        public Custom() {
+            super("forge_userdev");
+        }
+    }
 }

fmlloader/src/main/resources/META-INF/services/cpw.mods.modlauncher.api.ILaunchHandlerService

@@ -4,12 +4,16 @@ net.minecraftforge.fml.loading.targets.ForgeProdLaunchHandler$Server
 
 # Mod Developers
 net.minecraftforge.fml.loading.targets.ForgeUserdevLaunchHandler$Client
+net.minecraftforge.fml.loading.targets.ForgeUserdevLaunchHandler$ClientData
+net.minecraftforge.fml.loading.targets.ForgeUserdevLaunchHandler$Custom
 net.minecraftforge.fml.loading.targets.ForgeUserdevLaunchHandler$Data
 net.minecraftforge.fml.loading.targets.ForgeUserdevLaunchHandler$Server
 net.minecraftforge.fml.loading.targets.ForgeUserdevLaunchHandler$ServerGameTest
 
 #Working on Forge itself
 net.minecraftforge.fml.loading.targets.ForgeDevLaunchHandler$Client
+net.minecraftforge.fml.loading.targets.ForgeDevLaunchHandler$ClientData
+net.minecraftforge.fml.loading.targets.ForgeDevLaunchHandler$Custom
 net.minecraftforge.fml.loading.targets.ForgeDevLaunchHandler$Data
 net.minecraftforge.fml.loading.targets.ForgeDevLaunchHandler$Server
 net.minecraftforge.fml.loading.targets.ForgeDevLaunchHandler$ServerGameTest

fmlloader/src/main/resources/log4j2.xml

@@ -4,7 +4,7 @@
     SPDX-License-Identifier: LGPL-2.1-only
 -->
 
-<Configuration status="warn" packages="net.minecrell.terminalconsole,net.minecrell.terminalconsole.util,com.mojang.util,cpw.mods.modlauncher.log,net.minecraftforge.fml.loading.log4j" shutdownHook="disable">
+<Configuration status="warn" shutdownHook="disable">
     <filters>
         <ThresholdFilter level="WARN" onMatch="ACCEPT" onMismatch="NEUTRAL"/>
         <MarkerFilter marker="NETWORK_PACKETS" onMatch="${sys:forge.logging.marker.networking:-DENY}" onMismatch="NEUTRAL"/>

gradle.properties

@@ -1,17 +1,17 @@
 # Sets default memory used for gradle commands. Can be overridden by user or command line properties.
 # This is required to provide enough memory for the Minecraft decompilation process.
-org.gradle.jvmargs=-Xmx3G
+org.gradle.jvmargs=-Xmx6G
 org.gradle.daemon=false
 org.gradle.parallel=true
 
 JAVA_VERSION=21
-MC_VERSION=1.21.3
+MC_VERSION=1.21.7
 MC_NEXT_VERSION=1.22
-MCP_VERSION=20241025.112443
+MCP_VERSION=20250630.104312
 MAPPING_CHANNEL=official
-MAPPING_VERSION=1.21.3
+MAPPING_VERSION=1.21.7
 
-// Set to true before the first build of a new MC version, so we don't do compatibility checks
+# Set to true before the first build of a new MC version, so we don't do compatibility checks
 CHECK_COMPATIBILITY=false
-// Set to true to allow for fuzzy patching. Useful during updateing
-UPDATING=false
+# Set to true to allow for fuzzy patching. Useful during updateing
+UPDATING=false

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12.1-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -83,7 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -130,10 +131,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -141,7 +145,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -149,7 +153,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -198,11 +202,11 @@ fi
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \

gradlew.bat

@@ -43,11 +43,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,11 +57,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 

javafmllanguage/build.gradle

@@ -10,9 +10,11 @@ plugins {
 apply from: rootProject.file('build_shared.gradle')
 
 dependencies {
-    compileOnly(libs.nulls)
+    compileOnly(libs.jetbrains.annotations)
     implementation(project(':fmlloader'))
     implementation(project(':fmlcore'))
+    implementation(libs.unsafe)
+    implementation(libs.securemodules)
 }
 
 java {
@@ -57,7 +59,7 @@ publishing {
             license PomUtils.Licenses.LGPLv2_1
         }
     }
-    
+
     repositories {
         maven gradleutils.publishingForgeMaven
     }

javafmllanguage/src/main/java/net/minecraftforge/fml/common/Mod.java

@@ -12,9 +12,10 @@ import java.lang.annotation.Target;
 import java.util.function.Supplier;
 
 import net.minecraftforge.api.distmarker.Dist;
-import net.minecraftforge.eventbus.api.IEventBus;
+import net.minecraftforge.eventbus.api.bus.BusGroup;
 import net.minecraftforge.fml.Bindings;
 import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
+import org.jspecify.annotations.Nullable;
 
 /**
  * This defines a Mod to FML.
@@ -24,12 +25,11 @@ import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
  */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
-public @interface Mod
-{
+public @interface Mod {
     /**
      * The unique mod identifier for this mod.
-     * <b>Required to be lowercased in the english locale for compatibility. Will be truncated to 64 characters long.</b>
-     *
+     * <b>Required to be lowercased in the English locale for compatibility. Will be truncated to 64 characters long.</b>
+     * <br>
      * This will be used to identify your mod for third parties (other mods), it will be used to identify your mod for registries such as block and item registries.
      * By default, you will have a resource domain that matches the modid. All these uses require that constraints are imposed on the format of the modid.
      */
@@ -61,32 +61,40 @@ public @interface Mod
         String modid() default "";
 
         /**
-         * Specify an alternative bus to listen to
+         * Specify an alternative bus to listen to.
+         * <br>
+         * If you know all listeners in this class are for a specific bus, you can set it here to speed up registration.
          *
          * @return the bus you wish to listen to
          */
-        Bus bus() default Bus.FORGE;
+        Bus bus() default Bus.BOTH;
 
         enum Bus {
             /**
-             * The main Forge Event Bus.
-             *
-             * <p>See {@code MinecraftForge#EVENT_BUS}</p>
+             * The main BusGroup that most game events are fired on.
              */
             FORGE(Bindings.getForgeBus()),
+
             /**
-             * The mod specific Event bus.
-             * @see FMLJavaModLoadingContext#getModEventBus()
+             * The mod-specific event BusGroup, usually for mod lifecycle events.
+             * @see FMLJavaModLoadingContext#getModBusGroup()
              */
-            MOD(()-> FMLJavaModLoadingContext.get().getModEventBus());
+            MOD(()-> FMLJavaModLoadingContext.get().getModBusGroup()),
 
-            private final Supplier<IEventBus> busSupplier;
+            /**
+             * Both the {@link #FORGE} and {@link #MOD} buses. This is slower to register events in your class but
+             * allows you to listen to events from different BusGroup types without needing separate classes annotated
+             * with {@link EventBusSubscriber}.
+             */
+            BOTH(() -> null);
 
-            Bus(final Supplier<IEventBus> eventBusSupplier) {
+            private final Supplier<@Nullable BusGroup> busSupplier;
+
+            Bus(Supplier<@Nullable BusGroup> eventBusSupplier) {
                 this.busSupplier = eventBusSupplier;
             }
 
-            public Supplier<IEventBus> bus() {
+            public Supplier<@Nullable BusGroup> bus() {
                 return busSupplier;
             }
         }

javafmllanguage/src/main/java/net/minecraftforge/fml/javafmlmod/AutomaticEventSubscriber.java

@@ -7,22 +7,40 @@ package net.minecraftforge.fml.javafmlmod;
 
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.eventbus.api.bus.BusGroup;
+import net.minecraftforge.eventbus.api.bus.CancellableEventBus;
+import net.minecraftforge.eventbus.api.bus.EventBus;
+import net.minecraftforge.eventbus.api.event.characteristic.Cancellable;
+import net.minecraftforge.eventbus.api.listener.EventListener;
+import net.minecraftforge.eventbus.api.listener.ObjBooleanBiConsumer;
+import net.minecraftforge.eventbus.api.listener.Priority;
+import net.minecraftforge.eventbus.api.listener.SubscribeEvent;
+import net.minecraftforge.eventbus.internal.Event;
 import net.minecraftforge.fml.Logging;
 import net.minecraftforge.fml.ModContainer;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
 import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;
+import net.minecraftforge.fml.event.IModBusEvent;
 import net.minecraftforge.forgespi.language.ModFileScanData;
 import net.minecraftforge.forgespi.language.ModFileScanData.AnnotationData;
 import net.minecraftforge.forgespi.language.ModFileScanData.EnumData;
 import net.minecraftforge.fml.loading.FMLEnvironment;
+import net.minecraftforge.unsafe.UnsafeHacks;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.jspecify.annotations.Nullable;
 import org.objectweb.asm.Type;
 
-import java.util.Collections;
-import java.util.List;
-import java.util.Objects;
+import java.lang.invoke.LambdaMetafactory;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.*;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
 /**
@@ -75,7 +93,7 @@ public class AutomaticEventSubscriber {
             if (Objects.equals(mod.getModId(), modId) && sides.contains(FMLEnvironment.dist)) {
                 try {
                     LOGGER.debug(Logging.LOADING, "Auto-subscribing {} to {}", data.clazz().getClassName(), busTarget);
-                    busTarget.bus().get().register(Class.forName(data.clazz().getClassName(), true, loader));
+                    EventBusSubscriberLogic.register(busTarget.bus().get(), Class.forName(data.clazz().getClassName(), true, loader));
                 } catch (ClassNotFoundException e) {
                     LOGGER.fatal(Logging.LOADING, "Failed to load mod class {} for @EventBusSubscriber annotation", data.clazz(), e);
                     throw new RuntimeException(e);
@@ -88,4 +106,320 @@ public class AutomaticEventSubscriber {
     private static <R> R value(AnnotationData data, String key, R value) {
         return (R)data.annotationData().getOrDefault(key, value);
     }
+
+    /**
+     * This is mostly a carbon copy of EventBus 7's internal EventListenerFactory, with some changes to support adding
+     * to different BusGroups based on the event type, among other things.
+     */
+    private static final class EventBusSubscriberLogic {
+        private EventBusSubscriberLogic() {}
+
+        private static final boolean STRICT_RUNTIME_CHECKS = Boolean.getBoolean("eventbus.api.strictRuntimeChecks");
+
+        /**
+         * If true, performs exhaustive validation on bulk registration to aid debugging.
+         */
+        private static final boolean STRICT_REGISTRATION_CHECKS = STRICT_RUNTIME_CHECKS || Boolean.getBoolean("eventbus.api.strictRegistrationChecks");
+
+        private static final MethodType RETURNS_CONSUMER = MethodType.methodType(Consumer.class);
+        private static final MethodType RETURNS_PREDICATE = MethodType.methodType(Predicate.class);
+        private static final MethodType RETURNS_MONITOR = MethodType.methodType(ObjBooleanBiConsumer.class);
+
+        /** The method type of the {@link Consumer} functional interface ({@code void accept(Object)}) */
+        private static final MethodType CONSUMER_FI_TYPE = MethodType.methodType(void.class, Object.class);
+
+        /** The method type of the {@link Predicate} functional interface ({@code boolean test(Object)}) */
+        private static final MethodType PREDICATE_FI_TYPE = CONSUMER_FI_TYPE.changeReturnType(boolean.class);
+
+        /** The method type of the {@link ObjBooleanBiConsumer} functional interface ({@code void accept(Object, boolean)}) */
+        private static final MethodType MONITOR_FI_TYPE = MethodType.methodType(void.class, Object.class, boolean.class);
+
+        public static void register(@Nullable BusGroup busGroup, Class<?> listenerClass) {
+            if (STRICT_REGISTRATION_CHECKS) registerStrict(busGroup, listenerClass);
+            else registerLenient(busGroup, listenerClass);
+        }
+
+        @SuppressWarnings({"unchecked", "rawtypes"})
+        public static void registerLenient(@Nullable BusGroup busGroup, Class<?> listenerClass) {
+            Method[] declaredMethods = listenerClass.getDeclaredMethods();
+            if (declaredMethods.length == 0)
+                throw new IllegalArgumentException("No declared methods found in " + listenerClass);
+
+            Class<?> firstValidListenerEventType = null;
+
+            int listenersCount = 0;
+            for (var method : declaredMethods) {
+                if (!Modifier.isStatic(method.getModifiers()))
+                    continue;
+
+                if (method.isSynthetic())
+                    continue; // EventBus#89
+
+                int paramCount = method.getParameterCount();
+                if (paramCount == 0 || paramCount > 2)
+                    continue;
+
+                Class<?> returnType = method.getReturnType();
+                if (returnType != void.class && returnType != boolean.class)
+                    continue;
+
+                if (!method.isAnnotationPresent(SubscribeEvent.class))
+                    continue;
+
+                Class<?>[] parameterTypes = method.getParameterTypes();
+                if (!Event.class.isAssignableFrom(parameterTypes[0]))
+                    throw new IllegalArgumentException("First parameter of a @SubscribeEvent method must be an event");
+
+                Class<? extends Event> eventType = (Class<? extends Event>) parameterTypes[0];
+                var subscribeEventAnnotation = method.getAnnotation(SubscribeEvent.class);
+
+                registerListener(busGroup, paramCount, returnType, eventType, subscribeEventAnnotation, method);
+                listenersCount++;
+
+                if (firstValidListenerEventType == null)
+                    firstValidListenerEventType = eventType;
+            }
+
+            if (listenersCount == 0)
+                throw new IllegalArgumentException("No listeners found in " + listenerClass);
+            else if (firstValidListenerEventType == null)
+                throw new IllegalArgumentException("No valid listeners found in " + listenerClass);
+        }
+
+        @SuppressWarnings({"unchecked"})
+        public static void registerStrict(BusGroup busGroup, Class<?> listenerClass) {
+            Class<? extends Event> firstValidListenerEventType = null;
+
+            List<Method> declaredMethods = Arrays.stream(listenerClass.getDeclaredMethods())
+                    .filter(Predicate.not(Method::isSynthetic)) // EventBus#89
+                    .toList();
+            if (declaredMethods.isEmpty()) {
+                var errMsg = "No declared methods found in " + listenerClass.getName();
+                var superClass = listenerClass.getSuperclass();
+                if (superClass != null && superClass != Record.class && superClass != Enum.class) {
+                    errMsg += ". Note that listener inheritance is not supported. " +
+                            "If you are trying to inherit listeners, please use @Override and @SubscribeEvent on the method in the subclass.";
+                }
+                throw fail(listenerClass, errMsg);
+            }
+
+            int listenersCount = 0;
+            for (var method : declaredMethods) {
+                var hasSubscribeEvent = method.isAnnotationPresent(SubscribeEvent.class);
+                int paramCount = method.getParameterCount();
+
+                if (hasSubscribeEvent && (paramCount == 0 || paramCount > 2))
+                    throw fail(method, "Invalid number of parameters: " + paramCount + " (expected 1 or 2)");
+
+                if (paramCount == 0)
+                    continue;
+
+                Class<?> returnType = method.getReturnType();
+                Class<?>[] parameterTypes = method.getParameterTypes();
+                var firstParamExtendsEvent = Event.class.isAssignableFrom(parameterTypes[0]);
+
+                if (!hasSubscribeEvent && firstParamExtendsEvent)
+                    throw fail(method, "Missing @SubscribeEvent annotation");
+
+                if (hasSubscribeEvent) {
+                    var firstParamExtendsCancellable = Cancellable.class.isAssignableFrom(parameterTypes[0]);
+                    var subscribeEventAnnotation = method.getAnnotation(SubscribeEvent.class);
+                    var isMonitoringPriority = subscribeEventAnnotation.priority() == Priority.MONITOR;
+
+                    if (!firstParamExtendsEvent)
+                        throw fail(method, "First parameter of a @SubscribeEvent method must be an event");
+
+                    var eventType = (Class<? extends Event>) parameterTypes[0];
+
+                    if (returnType != void.class && returnType != boolean.class)
+                        throw fail(method, "Invalid return type: " + returnType.getName() + " (expected void or boolean)");
+
+                    if (!Modifier.isStatic(method.getModifiers()))
+                        throw fail(method, "Listener method needs to be static");
+
+                    if (isMonitoringPriority && (returnType == boolean.class || subscribeEventAnnotation.alwaysCancelling()))
+                        throw fail(method, "Monitoring listeners cannot cancel events");
+
+                    if (paramCount == 2) {
+                        if (!firstParamExtendsCancellable)
+                            throw fail(method, "Cancellation-aware monitoring listeners are only valid for cancellable events");
+
+                        if (!boolean.class.isAssignableFrom(parameterTypes[1]))
+                            throw fail(method, "Second parameter of a cancellation-aware monitoring listener must be a boolean");
+
+                        if (!isMonitoringPriority)
+                            throw fail(method, "Cancellation-aware monitoring listeners must have a priority of MONITOR");
+                    }
+
+                    if (!firstParamExtendsCancellable) {
+                        if (subscribeEventAnnotation.alwaysCancelling())
+                            throw fail(method, "Always cancelling listeners are only valid for cancellable events");
+
+                        if (returnType == boolean.class)
+                            throw fail(method, "Return type boolean is only valid for cancellable events");
+                    }
+
+                    registerListener(busGroup, paramCount, returnType, eventType, subscribeEventAnnotation, method);
+                    listenersCount++;
+
+                    if (firstValidListenerEventType == null)
+                        firstValidListenerEventType = eventType;
+                }
+            }
+
+            if (listenersCount == 0)
+                throw fail(listenerClass, "No listeners found");
+            else if (firstValidListenerEventType == null)
+                throw fail(listenerClass, "No valid listeners found");
+        }
+
+        @SuppressWarnings({"unchecked", "rawtypes"})
+        private static EventListener registerListener(@Nullable BusGroup busGroup,
+                                                      int paramCount, Class<?> returnType, Class<? extends Event> eventType,
+                                                      SubscribeEvent subscribeEventAnnotation, Method method) {
+            if (busGroup == null) {
+                busGroup = IModBusEvent.class.isAssignableFrom(eventType)
+                        ? FMLJavaModLoadingContext.get().getModBusGroup()
+                        : BusGroup.DEFAULT;
+            }
+
+            // determine the listener type from its parameters and return type
+            if (paramCount == 1) {
+                var priority = subscribeEventAnnotation.priority();
+                if (returnType == void.class) {
+                    if (Cancellable.class.isAssignableFrom(eventType)) {
+                        // Consumer<Event & Cancellable>
+                        var eventBus = CancellableEventBus.create(busGroup, (Class) eventType);
+                        if (subscribeEventAnnotation.alwaysCancelling()) {
+                            return eventBus.addListener(priority, true, createConsumer(method));
+                        } else {
+                            return eventBus.addListener(priority, createConsumer(method));
+                        }
+                    } else {
+                        // Consumer<Event>
+                        return EventBus.create(busGroup, eventType)
+                                .addListener(priority, createConsumer(method));
+                    }
+                } else {
+                    // Predicate<Event & EventCharacteristic.Cancellable>
+                    if (!Cancellable.class.isAssignableFrom(eventType))
+                        throw fail(method, "Return type boolean is only valid for cancellable events");
+
+                    if (subscribeEventAnnotation.alwaysCancelling())
+                        throw new IllegalArgumentException("Always cancelling listeners must have a void return type");
+
+                    return CancellableEventBus.create(busGroup, (Class) eventType)
+                            .addListener(priority, createPredicate(method));
+                }
+            } else {
+                // ObjBooleanBiConsumer<Event & Cancellable>
+                if (returnType != void.class)
+                    throw new IllegalArgumentException("Cancellation-aware monitoring listeners must have a void return type");
+
+                if (subscribeEventAnnotation.alwaysCancelling())
+                    throw new IllegalArgumentException("Monitoring listeners cannot cancel events");
+
+                return CancellableEventBus.create(busGroup, (Class) eventType).addListener(createMonitor(method));
+            }
+        }
+
+        private static IllegalArgumentException fail(Class<?> listenerClass, String reason) {
+            return new IllegalArgumentException("Failed to register " + listenerClass.getName() + ": " + reason);
+        }
+
+        private static IllegalArgumentException fail(Method mtd, String reason) {
+            return new IllegalArgumentException("Failed to register " + mtd.getDeclaringClass().getName() + "." + mtd.getName() + ": " + reason);
+        }
+
+        @SuppressWarnings("unchecked")
+        private static <T extends Event> Consumer<T> createConsumer(Method callback) {
+            var factoryMH = getOrMakeFactory(callback, RETURNS_CONSUMER, CONSUMER_FI_TYPE, "accept");
+
+            try {
+                return (Consumer<T>) factoryMH.invokeExact();
+            } catch (Exception e) {
+                throw makeRuntimeException(callback, e);
+            } catch (Throwable t) {
+                throw new RuntimeException(t);
+            }
+        }
+
+        @SuppressWarnings("unchecked")
+        private static <T extends Event> Predicate<T> createPredicate(Method callback) {
+            var factoryMH = getOrMakeFactory(callback, RETURNS_PREDICATE, PREDICATE_FI_TYPE, "test");
+
+            try {
+                return (Predicate<T>) factoryMH.invokeExact();
+            } catch (Exception e) {
+                throw makeRuntimeException(callback, e);
+            } catch (Throwable t) {
+                throw new RuntimeException(t);
+            }
+        }
+
+        @SuppressWarnings("unchecked")
+        private static <T extends Event> ObjBooleanBiConsumer<T> createMonitor(Method callback) {
+            var factoryMH = getOrMakeFactory(callback, RETURNS_MONITOR, MONITOR_FI_TYPE, "accept");
+
+            try {
+                return (ObjBooleanBiConsumer<T>) factoryMH.invokeExact();
+            } catch (Exception e) {
+                throw makeRuntimeException(callback, e);
+            } catch (Throwable t) {
+                throw new RuntimeException(t);
+            }
+        }
+
+        private static MethodHandle getOrMakeFactory(Method callback, MethodType factoryReturnType,
+                                                     MethodType fiMethodType, String fiMethodName) {
+            return makeFactory(callback, factoryReturnType, fiMethodType, fiMethodName);
+        }
+
+        private static MethodHandle makeFactory(Method callback,
+                                                MethodType factoryReturnType,
+                                                MethodType fiMethodType, String fiMethodName) {
+            final class DodgyLookup {
+                private DodgyLookup() {}
+                private static final MethodHandles.Lookup INSTANCE;
+                static {
+                    try {
+                        var lookupField = MethodHandles.Lookup.class.getDeclaredField("IMPL_LOOKUP");
+                        UnsafeHacks.setAccessible(lookupField);
+                        INSTANCE = (MethodHandles.Lookup) lookupField.get(null);
+                    } catch (NoSuchFieldException | IllegalAccessException e) {
+                        throw new RuntimeException(e);
+                    }
+                }
+            }
+
+            try {
+                var callbackDeclaredClass = callback.getDeclaringClass();
+                var lookup = DodgyLookup.INSTANCE.in(callbackDeclaredClass);
+                var mh = lookup.unreflect(callback);
+
+                return LambdaMetafactory.metafactory(
+                        lookup, fiMethodName, factoryReturnType, fiMethodType, mh, mh.type()
+                ).getTarget();
+            } catch (Exception e) {
+                throw makeRuntimeException(callback, e);
+            }
+        }
+
+        private static RuntimeException makeRuntimeException(Method callback, Exception e) {
+            return switch (e) {
+                case IllegalAccessException iae -> {
+                    var errMsg = "Failed to create listener";
+                    if (!Modifier.isPublic(callback.getModifiers()))
+                        errMsg += " - is it public?";
+
+                    yield new RuntimeException(errMsg, iae);
+                }
+                case NullPointerException npe -> new RuntimeException(
+                        "Failed to create listener - was given a non-static method without an instance to invoke it with",
+                        npe
+                );
+                default -> new RuntimeException("Failed to create listener", e);
+            };
+        }
+    }
 }

javafmllanguage/src/main/java/net/minecraftforge/fml/javafmlmod/FMLJavaModLoadingContext.java

@@ -5,14 +5,13 @@
 
 package net.minecraftforge.fml.javafmlmod;
 
-import net.minecraftforge.eventbus.api.IEventBus;
+import net.minecraftforge.eventbus.api.bus.BusGroup;
 import net.minecraftforge.fml.ModLoadingContext;
 
 /**
  * Use the context provided by your language loader in your mod's constructor
  */
-public class FMLJavaModLoadingContext extends ModLoadingContext
-{
+public class FMLJavaModLoadingContext extends ModLoadingContext {
     private final FMLModContainer container;
 
     FMLJavaModLoadingContext(FMLModContainer container) {
@@ -20,11 +19,10 @@ public class FMLJavaModLoadingContext extends ModLoadingContext
     }
 
     /**
-     * @return The mod's event bus, to allow subscription to Mod specific events
+     * @return The mod's event bus group, to allow subscription to Mod specific events
      */
-    public IEventBus getModEventBus()
-    {
-        return container.getEventBus();
+    public BusGroup getModBusGroup() {
+        return container.getModBusGroup();
     }
 
     /**
@@ -39,9 +37,15 @@ public class FMLJavaModLoadingContext extends ModLoadingContext
      * Helper to get the right instance from the {@link ModLoadingContext} correctly.
      * @return The FMLJavaMod language specific extension from the ModLoadingContext
      *
-     * @deprecated use {@link FMLJavaModLoadingContext} in your mod constructor
+     * @deprecated use {@link FMLJavaModLoadingContext} in your mod constructor. For example: {@snippet :
+     * @Mod("examplemod")
+     * public final class ExampleMod {
+     *     public ExampleMod(FMLJavaModLoadingContext context) {
+     *          // Use context from the param instead of FMLJavaModLoadingContext.get() or ModLoadingContext.get()
+     *     }
+     * }}
      */
-    @Deprecated(forRemoval = true, since="1.21.1")
+    @Deprecated(forRemoval = true, since = "1.21.1")
     public static FMLJavaModLoadingContext get() {
         return ModLoadingContext.get().extension();
     }

javafmllanguage/src/main/java/net/minecraftforge/fml/javafmlmod/FMLModContainer.java

@@ -5,32 +5,35 @@
 
 package net.minecraftforge.fml.javafmlmod;
 
-import net.minecraftforge.eventbus.EventBusErrorMessage;
-import net.minecraftforge.eventbus.api.BusBuilder;
-import net.minecraftforge.eventbus.api.Event;
-import net.minecraftforge.eventbus.api.IEventBus;
-import net.minecraftforge.eventbus.api.IEventListener;
+import net.minecraftforge.eventbus.api.bus.BusGroup;
+import net.minecraftforge.eventbus.api.bus.EventBus;
 import net.minecraftforge.fml.ModContainer;
 import net.minecraftforge.fml.ModLoadingException;
 import net.minecraftforge.fml.ModLoadingStage;
+import net.minecraftforge.fml.config.IConfigEvent;
 import net.minecraftforge.fml.event.IModBusEvent;
 import net.minecraftforge.forgespi.language.IModInfo;
 import net.minecraftforge.forgespi.language.ModFileScanData;
+import net.minecraftforge.unsafe.UnsafeHacks;
+
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.Marker;
 import org.apache.logging.log4j.MarkerManager;
 
+import cpw.mods.jarhandling.SecureJar;
+
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.util.Objects;
-import java.util.Optional;
+import java.util.jar.Attributes;
 
 public class FMLModContainer extends ModContainer {
     private static final Logger LOGGER = LogManager.getLogger();
     private static final Marker LOADING = MarkerManager.getMarker("LOADING");
     private final ModFileScanData scanResults;
-    private final IEventBus eventBus;
+    private final BusGroup eventBusGroup;
     private Object modInstance;
     private final Class<?> modClass;
     private final FMLJavaModLoadingContext context = new FMLJavaModLoadingContext(this);
@@ -40,23 +43,86 @@ public class FMLModContainer extends ModContainer {
         LOGGER.debug(LOADING,"Creating FMLModContainer instance for {}", className);
         this.scanResults = modFileScanResults;
         activityMap.put(ModLoadingStage.CONSTRUCT, this::constructMod);
-        this.eventBus = BusBuilder.builder().setExceptionHandler(FMLModContainer::onEventFailed).setTrackPhases(false).markerType(IModBusEvent.class).useModLauncher().build();
-        this.configHandler = Optional.of(ce->this.eventBus.post(ce.self()));
+        this.eventBusGroup = BusGroup.create("modBusFor" + info.getModId());
         this.contextExtension = () -> context;
         try {
             var moduleName = info.getOwningFile().moduleName();
             var module = gameLayer.findModule(moduleName)
                 .orElseThrow(() -> new IllegalStateException("Failed to find " + moduleName + " in " + gameLayer));
+
+            openModules(gameLayer, module, info.getOwningFile().getFile().getSecureJar());
+
             modClass = Class.forName(module, className);
-            LOGGER.trace(LOADING,"Loaded modclass {} with {}", modClass.getName(), modClass.getClassLoader());
+            LOGGER.debug(LOADING,"Loaded modclass {}/{} with {}", modClass.getModule().getName(), modClass.getName(), modClass.getClassLoader());
         } catch (Throwable e) {
             LOGGER.error(LOADING, "Failed to load class {}", className, e);
             throw new ModLoadingException(info, ModLoadingStage.CONSTRUCT, "fml.modloading.failedtoloadmodclass", e);
         }
     }
 
-    private static void onEventFailed(IEventBus iEventBus, Event event, IEventListener[] iEventListeners, int i, Throwable throwable) {
-        LOGGER.error(new EventBusErrorMessage(event, i, iEventListeners, throwable));
+    /**
+     * <pre>
+     * Reads the Add-Exports and Add-Opens attributes (see note) from a mod file and
+     * attempts to apply them. This differers from the JEP in two significant ways:
+     *   1) Instead of opening things to ALL-UNNAMED it instead only opens to the
+     *      mod's module itself. Because I don't want other mods accidently relying
+     *      on transitive behavior
+     *   2) It is read from all mods not just the executable jars.
+     *
+     * From <a href = "https://openjdk.org/jeps/261">JEP 261: Module System</a>
+     *
+     * Two new JDK-specific JAR-file manifest attributes are defined to correspond
+     * to the --add-exports and --add-opens command-line options:
+     *     Add-Exports: &lt;module&gt;/&lt;package&gt;( &lt;module&gt;/&lt;package&gt;)*
+     *     Add-Opens: &lt;module&gt;/&lt;package&gt;( &lt;module&gt;/&lt;package&gt;)*
+     *
+     * The value of each attribute is a space-separated list of slash-separated
+     * module-name/package-name pairs. A &gt;module&lt;/&gt;package&lt; pair in
+     * the value of an Add-Exports attribute has the same meaning as the
+     * command-line option --add-exports &gt;module&lt;/&gt;package&lt;=ALL-UNNAMED.
+     *
+     * A &gt;module&lt;/&gt;package&lt; pair in the value of an Add-Opens attribute has the
+     * same meaning as the command-line option --add-opens &gt;module&lt;/&gt;package&lt;=ALL-UNNAMED.
+     *
+     * Each attribute can occur at most once, in the main section of a MANIFEST.MF file.
+     * A particular pair can be listed more than once. If a specified module was not
+     * resolved, or if a specified package does not exist, then the corresponding pair
+     * is ignored.
+     */
+    private static void openModules(ModuleLayer layer, Module self, SecureJar jar) throws NoSuchMethodException, SecurityException, IllegalAccessException, InvocationTargetException {
+        var manifest = jar.moduleDataProvider().getManifest().getMainAttributes();
+        addOpenOrExports(layer, self, true, manifest);
+        addOpenOrExports(layer, self, false, manifest);
+    }
+
+    private static void addOpenOrExports(ModuleLayer layer, Module self, boolean open, Attributes attrs) throws NoSuchMethodException, SecurityException, IllegalAccessException, InvocationTargetException {
+        var key = open ? "Add-Opens" : "Add-Exports";
+        var entry = attrs.getValue(key);
+        if (entry == null)
+            return;
+
+        for (var pair : entry.split(" ")) {
+            var pts = pair.trim().split("/");
+            if (pts.length == 2) {
+                var target = layer.findModule(pts[0]).orElse(null);
+                if (target == null || !target.getDescriptor().packages().contains(pts[1]))
+                    continue;
+                addOpenOrExport(target, pts[1], self, open);
+            } else {
+                LOGGER.warn(LOADING, "Invalid {} entry in {}: {}", key, self.getName(), pair);
+            }
+        }
+    }
+
+    private static Method implAddExportsOrOpens;
+    private static void addOpenOrExport(Module target, String pkg, Module reader, boolean open) throws NoSuchMethodException, SecurityException, IllegalAccessException, InvocationTargetException {
+        if (implAddExportsOrOpens == null) {
+            implAddExportsOrOpens = Module.class.getDeclaredMethod("implAddExportsOrOpens", String.class, Module.class, boolean.class, boolean.class);
+            UnsafeHacks.setAccessible(implAddExportsOrOpens);
+        }
+
+        LOGGER.info(LOADING, "{} {}/{} to {}", open ? "Opening" : "Exporting", target.getName(), pkg, reader.getName());
+        implAddExportsOrOpens.invoke(target, pkg, reader, open, /*syncVM*/true);
     }
 
     private void constructMod() {
@@ -100,19 +166,33 @@ public class FMLModContainer extends ModContainer {
         return modInstance;
     }
 
-    public IEventBus getEventBus() {
-        return this.eventBus;
+    public BusGroup getModBusGroup() {
+        return this.eventBusGroup;
     }
 
     @Override
-    protected <T extends Event & IModBusEvent> void acceptEvent(final T e) {
+    protected <T extends IModBusEvent> void acceptEvent(final T e) {
         try {
             LOGGER.trace(LOADING, "Firing event for modid {} : {}", this.getModId(), e);
-            this.eventBus.post(e);
+            @SuppressWarnings("unchecked")
+            var eventBus = (EventBus<T>) IModBusEvent.getBus(eventBusGroup, e.getClass());
+            eventBus.post(e);
             LOGGER.trace(LOADING, "Fired event for modid {} : {}", this.getModId(), e);
         } catch (Throwable t) {
             LOGGER.error(LOADING,"Caught exception during event {} dispatch for modid {}", e, this.getModId(), t);
             throw new ModLoadingException(modInfo, modLoadingStage, "fml.modloading.errorduringevent", t);
         }
     }
+
+    @Override
+    @SuppressWarnings({"rawtypes", "unchecked"})
+    public void dispatchConfigEvent(IConfigEvent event) {
+        var eventBus = (EventBus) EventBus.create(eventBusGroup, event.self().getClass());
+        eventBus.post(event.self());
+    }
+
+    @Override
+    public String toString() {
+        return "FMLModContainer[" + this.getModInfo().getModId() + ", " + this.getClass().getName() + "]";
+    }
 }

lowcodelanguage/build.gradle

@@ -15,7 +15,7 @@ java {
 }
 
 dependencies {
-    compileOnly(libs.nulls)
+    compileOnly(libs.jetbrains.annotations)
 
     implementation(project(':fmlloader'))
     implementation(project(':fmlcore'))

lowcodelanguage/src/main/java/net/minecraftforge/fml/lowcodemod/LowCodeModContainer.java

@@ -6,41 +6,32 @@
 package net.minecraftforge.fml.lowcodemod;
 
 import com.mojang.logging.LogUtils;
-import net.minecraftforge.eventbus.api.Event;
 import net.minecraftforge.fml.IExtensionPoint;
 import net.minecraftforge.fml.ModContainer;
-import net.minecraftforge.fml.event.IModBusEvent;
+import net.minecraftforge.fml.loading.LogMarkers;
 import net.minecraftforge.forgespi.language.IModInfo;
 import net.minecraftforge.forgespi.language.ModFileScanData;
 import org.slf4j.Logger;
 
-import java.util.Objects;
-
-import static net.minecraftforge.fml.loading.LogMarkers.LOADING;
-
-public class LowCodeModContainer extends ModContainer
-{
+public class LowCodeModContainer extends ModContainer {
     private static final Logger LOGGER = LogUtils.getLogger();
     private final Object modInstance;
 
-    public LowCodeModContainer(IModInfo info, ModFileScanData modFileScanResults, ModuleLayer gameLayer)
-    {
+    public LowCodeModContainer(IModInfo info, ModFileScanData modFileScanResults, ModuleLayer gameLayer) {
         super(info);
-        LOGGER.debug(LOADING, "Creating LowCodeModContainer for {}", info.getModId());
+        LOGGER.debug(LogMarkers.LOADING, "Creating LowCodeModContainer for {}", info.getModId());
         this.modInstance = new Object();
         this.contextExtension = () -> null;
         this.extensionPoints.remove(IExtensionPoint.DisplayTest.class);
     }
 
     @Override
-    public boolean matches(Object mod)
-    {
+    public boolean matches(Object mod) {
         return mod == modInstance;
     }
 
     @Override
-    public Object getMod()
-    {
+    public Object getMod() {
         return modInstance;
     }
 }

mclanguage/build.gradle

@@ -10,7 +10,7 @@ plugins {
 apply from: rootProject.file('build_shared.gradle')
 
 dependencies {
-    compileOnly(libs.nulls)
+    compileOnly(libs.jetbrains.annotations)
     implementation(project(':fmlloader'))
     implementation(project(':fmlcore'))
 }

mdk/build.gradle

@@ -2,7 +2,7 @@ plugins {
     id 'eclipse'
     id 'idea'
     id 'maven-publish'
-    id 'net.minecraftforge.gradle' version '[6.0.24,6.2)'
+    id 'net.minecraftforge.gradle' version '[6.0.36,6.2)'
 }
 
 version = mod_version
@@ -22,17 +22,13 @@ minecraft {
     // official   MCVersion             Official field/method names from Mojang mapping files
     // parchment  YYYY.MM.DD-MCVersion  Open community-sourced parameter names and javadocs layered on top of official
     //
-    // You must be aware of the Mojang license when using the 'official' or 'parchment' mappings.
-    // See more information here: https://github.com/MinecraftForge/MCPConfig/blob/master/Mojang.md
-    //
     // Parchment is an unofficial project maintained by ParchmentMC, separate from MinecraftForge
     // Additional setup is needed to use their mappings: https://parchmentmc.org/docs/getting-started
     //
-    // Use non-default mappings at your own risk. They may not always work.
     // Simply re-run your setup task after changing the mappings to update your workspace.
     mappings channel: mapping_channel, version: mapping_version
-    
-    // Tell FG to not automtically create the reobf tasks, as we now use Official mappings at runtime, If you don't use them at dev time then you'll have to fix your reobf yourself.
+
+    // Forge 1.20.6 and newer use official mappings at runtime, so we shouldn't reobf from official to SRG
     reobf = false
 
     // When true, this property will have all Eclipse/IntelliJ IDEA run configurations run the "prepareX" task for the given run configuration before launching the game.
@@ -50,8 +46,7 @@ minecraft {
     // By default, the folder name of a run configuration is the name of the Gradle project containing it.
     // generateRunFolders = true
 
-    // This property enables access transformers for use in development.
-    // They will be applied to the Minecraft artifact.
+    // This property enables access transformers for use in development, applied to the Minecraft artifact.
     // The access transformer file can be anywhere in the project.
     // However, it must be at "META-INF/accesstransformer.cfg" in the final mod jar to be loaded by Forge.
     // This default location is a best practice to automatically put the file in the right place in the final jar.
@@ -65,17 +60,18 @@ minecraft {
         configureEach {
             workingDirectory project.file('run')
 
-            // Recommended logging data for a userdev environment
-            // The markers can be added/remove as needed separated by commas.
+            // Optional additional logging. The markers can be added/remove as needed, separated by commas.
             // "SCAN": For mods scan.
             // "REGISTRIES": For firing of registry events.
             // "REGISTRYDUMP": For getting the contents of all registries.
-            property 'forge.logging.markers', 'REGISTRIES'
+//            property 'forge.logging.markers', 'REGISTRIES'
 
-            // Recommended logging level for the console
-            // You can set various levels here.
-            // Please read: https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels
             property 'forge.logging.console.level', 'debug'
+
+            // Recommended for development - enables more descriptive errors at the cost of slower startup and registration.
+            property 'eventbus.api.strictRuntimeChecks', 'true'
+
+//            arg "-mixin.config=${mod_id}.mixins.json"
         }
 
         client {
@@ -110,7 +106,26 @@ sourceSets.main.resources { srcDir 'src/generated/resources' }
 
 repositories {
     // Put repositories for dependencies here
-    // ForgeGradle automatically adds the Forge maven and Maven Central for you
+    mavenCentral()
+    maven {
+        name = 'Forge'
+        url = 'https://maven.minecraftforge.net'
+    }
+    maven {
+        name = 'Minecraft libraries'
+        url = 'https://libraries.minecraft.net'
+    }
+    exclusiveContent {
+        forRepository {
+            maven {
+                name = 'Sponge'
+                url = 'https://repo.spongepowered.org/repository/maven-public'
+            }
+        }
+        filter {
+            includeGroupAndSubgroups('org.spongepowered')
+        }
+    }
 
     // If you have mod jar dependencies in ./libs, you can declare them as a repository like so.
     // See https://docs.gradle.org/current/userguide/declaring_repositories.html#sub:flat_dir_resolver
@@ -127,6 +142,11 @@ dependencies {
     // then special handling is done to allow a setup of a vanilla dependency without the use of an external repository.
     minecraft "net.minecraftforge:forge:${minecraft_version}-${forge_version}"
 
+    // Forge 1.21.6+ uses EventBus 7, which shifts most of its runtime validation to compile-time via an annotation processor
+    // to improve performance in production environments. This line is required to enable said compile-time validation
+    // in your development environment, helping you catch issues early.
+    annotationProcessor 'net.minecraftforge:eventbus-validator:7.0-beta.10'
+
     // Example mod dependency with JEI
     // The JEI API is declared for compile time use, while the full JEI artifact is used at runtime
     // compileOnly "mezz.jei:jei-${mc_version}-common-api:${jei_version}"
@@ -141,16 +161,13 @@ dependencies {
     // For more info:
     // http://www.gradle.org/docs/current/userguide/artifact_dependencies_tutorial.html
     // http://www.gradle.org/docs/current/userguide/dependency_management.html
-    
-    // Hack fix for now, force jopt-simple to be exactly 5.0.4 because Mojang ships that version, but some transitive dependencies request 6.0+ 
-    implementation('net.sf.jopt-simple:jopt-simple:5.0.4') { version { strictly '5.0.4' } }
 }
 
 // This block of code expands all declared replace properties in the specified resource targets.
 // A missing property will result in an error. Properties are expanded using ${} Groovy notation.
 // When "copyIdeResources" is enabled, this will also run before the game launches in IDE environments.
 // See https://docs.gradle.org/current/dsl/org.gradle.language.jvm.tasks.ProcessResources.html
-tasks.named('processResources', ProcessResources).configure {
+tasks.named('processResources', ProcessResources) {
     var replaceProperties = [
             minecraft_version: minecraft_version, minecraft_version_range: minecraft_version_range,
             forge_version: forge_version, forge_version_range: forge_version_range,
@@ -166,7 +183,7 @@ tasks.named('processResources', ProcessResources).configure {
 }
 
 // Example for how to get properties into the manifest for reading at runtime.
-tasks.named('jar', Jar).configure {
+tasks.named('jar', Jar) {
     manifest {
         attributes([
             'Specification-Title'     : mod_id,
@@ -176,6 +193,7 @@ tasks.named('jar', Jar).configure {
             'Implementation-Version'  : project.jar.archiveVersion,
             'Implementation-Vendor'   : mod_authors
         ])
+//        attributes['MixinConfigs'] = "${mod_id}.mixins.json"
     }
 }
 
@@ -197,6 +215,9 @@ tasks.withType(JavaCompile).configureEach {
     options.encoding = 'UTF-8' // Use the UTF-8 charset for Java compilation
 }
 
+// IntelliJ no longer downloads javadocs and sources by default, this tells Gradle to force IntelliJ to do it.
+idea.module { downloadJavadoc = downloadSources = true }
+
 eclipse {
     // Run everytime eclipse builds the code
     //autoBuildTasks genEclipseRuns
@@ -204,8 +225,7 @@ eclipse {
     synchronizationTasks 'genEclipseRuns'
 }
 
-// Merge the resources and classes into the same directory. 
-// This is done because java expects modules to be in a single directory.
+// Merge the resources and classes into the same directory, because Java expects modules to be in a single directory.
 // And if we have it in multiple we have to do performance intensive hacks like having the UnionFileSystem
 // This will eventually be migrated to ForgeGradle so modders don't need to manually do it. But that is later.
 sourceSets.each {

mdk/gradle.properties

@@ -1,8 +1,15 @@
-# Sets default memory used for gradle commands. Can be overridden by user or command line properties.
+# Sets default memory used for Gradle commands. Can be overridden by user or command line properties.
 # This is required to provide enough memory for the Minecraft decompilation process.
-org.gradle.jvmargs=-Xmx3G
+org.gradle.jvmargs=-Xmx5G
 org.gradle.daemon=false
 
+# In the case that Gradle needs to fork to recompile, this will set the memory for that process.
+systemProp.net.minecraftforge.gradle.repo.recompile.fork=true
+systemProp.net.minecraftforge.gradle.repo.recompile.fork.args=-Xmx5G
+
+# Opts-out of ForgeGradle automatically adding mavenCentral(), Forge's maven and MC libs maven to the repositories block
+systemProp.net.minecraftforge.gradle.repo.attach=false
+
 
 ## Environment Properties
 

mdk/settings.gradle

@@ -9,5 +9,5 @@ pluginManagement {
 }
 
 plugins {
-    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.7.0'
-}
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.10.0'
+}

patches/minecraft/com/mojang/blaze3d/opengl/GlCommandEncoder.java.patch

@@ -0,0 +1,12 @@
+--- a/com/mojang/blaze3d/opengl/GlCommandEncoder.java
++++ b/com/mojang/blaze3d/opengl/GlCommandEncoder.java
+@@ -132,6 +_,9 @@
+             GlStateManager._colorMask(true, true, true, true);
+             GlStateManager._clear(16384);
+             GlStateManager._glFramebufferTexture2D(36160, 36064, 3553, 0, 0);
++            // Forge: if using stencil, clear it as well (3553 = GlConst.GL_TEXTURE_2D)
++            if (p_394273_.isStencilEnabled())
++                GlStateManager._glFramebufferTexture2D(GlConst.GL_FRAMEBUFFER, org.lwjgl.opengl.GL30.GL_STENCIL_ATTACHMENT, GlConst.GL_TEXTURE_2D, 0, 0);
+             GlStateManager._glBindFramebuffer(36160, 0);
+         }
+     }

patches/minecraft/com/mojang/blaze3d/opengl/GlDebug.java.patch

@@ -0,0 +1,34 @@
+--- a/com/mojang/blaze3d/opengl/GlDebug.java
++++ b/com/mojang/blaze3d/opengl/GlDebug.java
+@@ -23,6 +_,14 @@
+ 
+ @OnlyIn(Dist.CLIENT)
+ public class GlDebug {
++    /**
++     * TODO: [Forge][Rendering][VEN] Expose this in the configs
++     * <p>
++     * Will enable synchronous OpenGL debug logging, which means the message will be sent from the call that
++     * would have caused the error. Additionally, enables printing a stacktrace when and where this occurs.
++     */
++    private static final boolean PRINT_STACKTRACE_ON_ERROR = Boolean.getBoolean("forge.printGLStackOnError");
++
+     private static final Logger LOGGER = LogUtils.getLogger();
+     private static final int CIRCULAR_LOG_SIZE = 10;
+     private final Queue<GlDebug.LogEntry> MESSAGE_BUFFER = EvictingQueue.create(10);
+@@ -105,6 +_,8 @@
+         }
+ 
+         LOGGER.info("OpenGL debug message: {}", gldebug$logentry);
++        // TODO: [VEN] Trim the stack trace
++        if (PRINT_STACKTRACE_ON_ERROR) LOGGER.info("Trace: ", new Throwable("GlDebug"));
+     }
+ 
+     public List<String> getLastOpenGlDebugMessages() {
+@@ -121,6 +_,7 @@
+ 
+     @Nullable
+     public static GlDebug enableDebugCallback(int p_394351_, boolean p_393026_, Set<String> p_393339_) {
++        p_393026_ |= PRINT_STACKTRACE_ON_ERROR;
+         if (p_394351_ <= 0) {
+             return null;
+         } else {

patches/minecraft/com/mojang/blaze3d/opengl/GlDevice.java.patch

@@ -0,0 +1,74 @@
+--- a/com/mojang/blaze3d/opengl/GlDevice.java
++++ b/com/mojang/blaze3d/opengl/GlDevice.java
+@@ -89,8 +_,15 @@
+     public GpuTexture createTexture(
+         @Nullable Supplier<String> p_397830_, int p_394481_, TextureFormat p_394839_, int p_391831_, int p_395609_, int p_407582_, int p_408928_
+     ) {
++        return createTexture(p_397830_, p_394481_, p_394839_, p_391831_, p_395609_, p_407582_, p_408928_, false);
++    }
++
++    @Override
++    public GpuTexture createTexture(
++            @Nullable Supplier<String> p_397830_, int p_394481_, TextureFormat p_394839_, int p_391831_, int p_395609_, int p_407582_, int p_408928_, boolean stencil
++        ) {
+         return this.createTexture(
+-            this.debugLabels.exists() && p_397830_ != null ? p_397830_.get() : null, p_394481_, p_394839_, p_391831_, p_395609_, p_407582_, p_408928_
++            this.debugLabels.exists() && p_397830_ != null ? p_397830_.get() : null, p_394481_, p_394839_, p_391831_, p_395609_, p_407582_, p_408928_, stencil
+         );
+     }
+ 
+@@ -98,6 +_,15 @@
+     public GpuTexture createTexture(
+         @Nullable String p_394142_, int p_395535_, TextureFormat p_394951_, int p_393944_, int p_392329_, int p_408015_, int p_406483_
+     ) {
++        return createTexture(p_394142_, p_395535_, p_394951_, p_393944_, p_392329_, p_408015_, p_406483_, false);
++    }
++
++    @Override
++    public GpuTexture createTexture(
++        @Nullable String p_394142_, int p_395535_, TextureFormat p_394951_, int p_393944_, int p_392329_, int p_408015_, int p_406483_, boolean stencil
++    ) {
++        // Forge: stencil rendering is only for depth
++        stencil &= p_394951_.hasDepthAspect();
+         if (p_406483_ < 1) {
+             throw new IllegalArgumentException("mipLevels must be at least 1");
+         } else if (p_408015_ < 1) {
+@@ -148,11 +_,14 @@
+                         GlStateManager._texImage2D(
+                             k,
+                             l,
++                            stencil ? org.lwjgl.opengl.GL30.GL_DEPTH32F_STENCIL8 :
+                             GlConst.toGlInternalId(p_394951_),
+                             p_393944_ >> l,
+                             p_392329_ >> l,
+                             0,
++                            stencil ? org.lwjgl.opengl.GL30.GL_DEPTH_STENCIL :
+                             GlConst.toGlExternalId(p_394951_),
++                            stencil ? org.lwjgl.opengl.GL30.GL_FLOAT_32_UNSIGNED_INT_24_8_REV :
+                             GlConst.toGlType(p_394951_),
+                             null
+                         );
+@@ -163,11 +_,14 @@
+                     GlStateManager._texImage2D(
+                         j,
+                         i1,
++                        stencil ? org.lwjgl.opengl.GL30.GL_DEPTH32F_STENCIL8 :
+                         GlConst.toGlInternalId(p_394951_),
+                         p_393944_ >> i1,
+                         p_392329_ >> i1,
+                         0,
++                        stencil ? org.lwjgl.opengl.GL30.GL_DEPTH_STENCIL :
+                         GlConst.toGlExternalId(p_394951_),
++                        stencil ? org.lwjgl.opengl.GL30.GL_FLOAT_32_UNSIGNED_INT_24_8_REV :
+                         GlConst.toGlType(p_394951_),
+                         null
+                     );
+@@ -180,7 +_,7 @@
+             } else if (j1 != 0) {
+                 throw new IllegalStateException("OpenGL error " + j1);
+             } else {
+-                GlTexture gltexture = new GlTexture(p_395535_, p_394142_, p_394951_, p_393944_, p_392329_, p_408015_, p_406483_, i);
++                GlTexture gltexture = new GlTexture(p_395535_, p_394142_, p_394951_, p_393944_, p_392329_, p_408015_, p_406483_, i, stencil);
+                 this.debugLabels.applyLabel(gltexture);
+                 return gltexture;
+             }

patches/minecraft/com/mojang/blaze3d/opengl/GlStateManager.java.patch

@@ -0,0 +1,32 @@
+--- a/com/mojang/blaze3d/opengl/GlStateManager.java
++++ b/com/mojang/blaze3d/opengl/GlStateManager.java
+@@ -89,6 +_,11 @@
+         }
+     }
+ 
++    public static boolean _isBlendEnabled() {
++        RenderSystem.assertOnRenderThread();
++        return BLEND.mode.enabled;
++    }
++
+     public static void _disableBlend() {
+         RenderSystem.assertOnRenderThread();
+         BLEND.mode.disable();
+@@ -404,9 +_,17 @@
+         }
+     }
+ 
++    /* Stores the last values sent into glMultiTexCoord2f */
++    public static float lastBrightnessX = 0.0f;
++    public static float lastBrightnessY = 0.0f;
++
+     public static void _texParameter(int p_393876_, int p_397998_, int p_396741_) {
+         RenderSystem.assertOnRenderThread();
+         GL11.glTexParameteri(p_393876_, p_397998_, p_396741_);
++        if (p_393876_ == GL13.GL_TEXTURE1) {
++            lastBrightnessX = p_397998_;
++            lastBrightnessY = p_396741_;
++        }
+     }
+ 
+     public static int _getTexLevelParameter(int p_393352_, int p_397204_, int p_396319_) {

patches/minecraft/com/mojang/blaze3d/opengl/GlTexture.java.patch

@@ -0,0 +1,33 @@
+--- a/com/mojang/blaze3d/opengl/GlTexture.java
++++ b/com/mojang/blaze3d/opengl/GlTexture.java
+@@ -19,8 +_,13 @@
+     private int views;
+ 
+     protected GlTexture(int p_394590_, String p_393950_, TextureFormat p_392837_, int p_391379_, int p_391947_, int p_396659_, int p_408255_, int p_408889_) {
++        this(p_394590_, p_393950_, p_392837_, p_391379_, p_391947_, p_396659_, p_408255_, p_408889_, false);
++    }
++
++    protected GlTexture(int p_394590_, String p_393950_, TextureFormat p_392837_, int p_391379_, int p_391947_, int p_396659_, int p_408255_, int p_408889_, boolean stencil) {
+         super(p_394590_, p_393950_, p_392837_, p_391379_, p_391947_, p_396659_, p_408255_);
+         this.id = p_408889_;
++        this.stencilEnabled = stencil;
+     }
+ 
+     @Override
+@@ -93,6 +_,16 @@
+     public void setTextureFilter(FilterMode p_394977_, FilterMode p_397175_, boolean p_393558_) {
+         super.setTextureFilter(p_394977_, p_397175_, p_393558_);
+         this.modesDirty = true;
++    }
++
++
++    /* FORGE START */
++
++    private final boolean stencilEnabled;
++
++    @Override
++    public boolean isStencilEnabled() {
++        return this.stencilEnabled;
+     }
+ 
+     @Override

patches/minecraft/com/mojang/blaze3d/pipeline/RenderTarget.java.patch

@@ -1,35 +1,18 @@
 --- a/com/mojang/blaze3d/pipeline/RenderTarget.java
 +++ b/com/mojang/blaze3d/pipeline/RenderTarget.java
-@@ -96,7 +_,10 @@
-                 GlStateManager._texParameter(3553, 34892, 0);
-                 GlStateManager._texParameter(3553, 10242, 33071);
-                 GlStateManager._texParameter(3553, 10243, 33071);
-+                if (!stencilEnabled)
-                 GlStateManager._texImage2D(3553, 0, 6402, this.width, this.height, 0, 6402, 5126, null);
-+                else
-+                    GlStateManager._texImage2D(3553, 0, org.lwjgl.opengl.GL30.GL_DEPTH32F_STENCIL8, this.width, this.height, 0, org.lwjgl.opengl.GL30.GL_DEPTH_STENCIL, org.lwjgl.opengl.GL30.GL_FLOAT_32_UNSIGNED_INT_24_8_REV, null);
-             }
- 
-             this.setFilterMode(9728, true);
-@@ -106,8 +_,13 @@
-             GlStateManager._texImage2D(3553, 0, 32856, this.width, this.height, 0, 6408, 5121, null);
-             GlStateManager._glBindFramebuffer(36160, this.frameBufferId);
-             GlStateManager._glFramebufferTexture2D(36160, 36064, 3553, this.colorTextureId, 0);
--            if (this.useDepth) {
-+            if (this.useDepth && !stencilEnabled) {
-                 GlStateManager._glFramebufferTexture2D(36160, 36096, 3553, this.depthBufferId, 0);
-+            } else if(this.useDepth && net.minecraftforge.common.ForgeConfig.CLIENT.useCombinedDepthStencilAttachment.get()) {
-+                GlStateManager._glFramebufferTexture2D(org.lwjgl.opengl.GL30.GL_FRAMEBUFFER, org.lwjgl.opengl.GL30.GL_DEPTH_STENCIL_ATTACHMENT, 3553, this.depthBufferId, 0);
-+            } else if (this.useDepth) {
-+                GlStateManager._glFramebufferTexture2D(org.lwjgl.opengl.GL30.GL_FRAMEBUFFER, org.lwjgl.opengl.GL30.GL_DEPTH_ATTACHMENT, 3553, this.depthBufferId, 0);
-+                GlStateManager._glFramebufferTexture2D(org.lwjgl.opengl.GL30.GL_FRAMEBUFFER, org.lwjgl.opengl.GL30.GL_STENCIL_ATTACHMENT, 3553, this.depthBufferId, 0);
-             }
- 
-             this.checkStatus();
-@@ -229,5 +_,26 @@
- 
-     public int getDepthTextureId() {
-         return this.depthBufferId;
+@@ -92,7 +_,7 @@
+             this.width = p_83951_;
+             this.height = p_83952_;
+             if (this.useDepth) {
+-                this.depthTexture = gpudevice.createTexture(() -> this.label + " / Depth", 15, TextureFormat.DEPTH32, p_83951_, p_83952_, 1, 1);
++                this.depthTexture = gpudevice.createTexture(() -> this.label + " / Depth", 15, TextureFormat.DEPTH32, p_83951_, p_83952_, 1, 1, this.stencilEnabled);
+                 this.depthTextureView = gpudevice.createTextureView(this.depthTexture);
+                 this.depthTexture.setTextureFilter(FilterMode.NEAREST, false);
+                 this.depthTexture.setAddressMode(AddressMode.CLAMP_TO_EDGE);
+@@ -166,5 +_,26 @@
+     @Nullable
+     public GpuTextureView getDepthTextureView() {
+         return this.depthTextureView;
 +    }
 +
 +    private boolean stencilEnabled = false;

patches/minecraft/com/mojang/blaze3d/platform/GlStateManager.java.patch

@@ -1,20 +0,0 @@
---- a/com/mojang/blaze3d/platform/GlStateManager.java
-+++ b/com/mojang/blaze3d/platform/GlStateManager.java
-@@ -519,9 +_,17 @@
-         }
-     }
- 
-+    /* Stores the last values sent into glMultiTexCoord2f */
-+    public static float lastBrightnessX = 0.0f;
-+    public static float lastBrightnessY = 0.0f;
-+
-     public static void _texParameter(int p_84161_, int p_84162_, float p_84163_) {
-         RenderSystem.assertOnRenderThreadOrInit();
-         GL11.glTexParameterf(p_84161_, p_84162_, p_84163_);
-+        if (p_84161_ == GL13.GL_TEXTURE1) {
-+            lastBrightnessX = p_84162_;
-+            lastBrightnessY = p_84163_;
-+        }
-     }
- 
-     public static void _texParameter(int p_84332_, int p_84333_, int p_84334_) {

patches/minecraft/com/mojang/blaze3d/platform/Window.java.patch

@@ -16,9 +16,9 @@
          }
 +        }
  
-         GLFW.glfwMakeContextCurrent(this.window);
-         GL.createCapabilities();
-@@ -267,6 +_,9 @@
+         this.setMode();
+         this.refreshFramebufferSize();
+@@ -266,6 +_,9 @@
          GLFW.glfwGetFramebufferSize(this.window, aint, aint1);
          this.framebufferWidth = aint[0] > 0 ? aint[0] : 1;
          this.framebufferHeight = aint1[0] > 0 ? aint1[0] : 1;

patches/minecraft/com/mojang/blaze3d/systems/GpuDevice.java.patch

@@ -0,0 +1,20 @@
+--- a/com/mojang/blaze3d/systems/GpuDevice.java
++++ b/com/mojang/blaze3d/systems/GpuDevice.java
+@@ -26,7 +_,17 @@
+         @Nullable Supplier<String> p_394357_, int p_395623_, TextureFormat p_395807_, int p_395802_, int p_396157_, int p_408810_, int p_407070_
+     );
+ 
++    /** Forge: same as {@link #createTexture(Supplier, int, TextureFormat, int, int, int)} but with stencil support */
++    default GpuTexture createTexture(@Nullable Supplier<String> p_394357_, int p_395623_, TextureFormat p_395807_, int p_395802_, int p_396157_, int p_408810_, int p_407070_, boolean stencil) {
++        return this.createTexture(p_394357_, p_395623_, p_395807_, p_395802_, p_396157_, p_408810_, p_407070_);
++    }
++
+     GpuTexture createTexture(@Nullable String p_391798_, int p_391800_, TextureFormat p_393333_, int p_395600_, int p_394065_, int p_408732_, int p_407125_);
++
++    /** Forge: same as {@link #createTexture(String, int, TextureFormat, int, int, int)} but with stencil support */
++    default GpuTexture createTexture(@Nullable String p_391798_, int p_391800_, TextureFormat p_393333_, int p_395600_, int p_394065_, int p_408732_, int p_407125_, boolean stencil) {
++        return this.createTexture(p_391798_, p_391800_, p_393333_, p_395600_, p_394065_, p_408732_, p_407125_);
++    }
+ 
+     GpuTextureView createTextureView(GpuTexture p_409045_);
+ 

patches/minecraft/com/mojang/blaze3d/textures/GpuTexture.java.patch

@@ -0,0 +1,11 @@
+--- a/com/mojang/blaze3d/textures/GpuTexture.java
++++ b/com/mojang/blaze3d/textures/GpuTexture.java
+@@ -6,7 +_,7 @@
+ 
+ @OnlyIn(Dist.CLIENT)
+ @DontObfuscate
+-public abstract class GpuTexture implements AutoCloseable {
++public abstract class GpuTexture implements AutoCloseable, net.minecraftforge.client.extensions.IForgeGpuTexture {
+     public static final int USAGE_COPY_DST = 1;
+     public static final int USAGE_COPY_SRC = 2;
+     public static final int USAGE_TEXTURE_BINDING = 4;

patches/minecraft/com/mojang/blaze3d/vertex/PoseStack.java.patch

@@ -1,11 +1,11 @@
 --- a/com/mojang/blaze3d/vertex/PoseStack.java
 +++ b/com/mojang/blaze3d/vertex/PoseStack.java
-@@ -14,7 +_,7 @@
- import org.joml.Vector3f;
+@@ -15,7 +_,7 @@
+ import org.joml.Vector3fc;
  
  @OnlyIn(Dist.CLIENT)
 -public class PoseStack {
 +public class PoseStack implements net.minecraftforge.client.extensions.IForgePoseStack {
-     private final Deque<PoseStack.Pose> poseStack = Util.make(Queues.newArrayDeque(), p_85848_ -> {
-         Matrix4f matrix4f = new Matrix4f();
-         Matrix3f matrix3f = new Matrix3f();
+     private final List<PoseStack.Pose> poses = new ArrayList<>(16);
+     private int lastIndex;
+ 

patches/minecraft/com/mojang/blaze3d/vertex/VertexConsumer.java.patch

@@ -1,6 +1,6 @@
 --- a/com/mojang/blaze3d/vertex/VertexConsumer.java
 +++ b/com/mojang/blaze3d/vertex/VertexConsumer.java
-@@ -13,7 +_,7 @@
+@@ -15,7 +_,7 @@
  import org.lwjgl.system.MemoryStack;
  
  @OnlyIn(Dist.CLIENT)
@@ -9,7 +9,7 @@
      VertexConsumer addVertex(float p_344294_, float p_342213_, float p_344859_);
  
      VertexConsumer setColor(int p_342749_, int p_344324_, int p_343336_, int p_342831_);
-@@ -133,9 +_,11 @@
+@@ -135,9 +_,11 @@
  
                  int j1 = ARGB.color(k, (int)f3, (int)f4, (int)f5);
                  int k1 = LightTexture.lightCoordsWithEmission(p_331444_[i1], l);

patches/minecraft/com/mojang/blaze3d/vertex/VertexFormat.java.patch

@@ -1,23 +1,23 @@
 --- a/com/mojang/blaze3d/vertex/VertexFormat.java
 +++ b/com/mojang/blaze3d/vertex/VertexFormat.java
-@@ -14,7 +_,7 @@
- import net.minecraftforge.api.distmarker.OnlyIn;
+@@ -20,7 +_,7 @@
  
  @OnlyIn(Dist.CLIENT)
+ @DontObfuscate
 -public class VertexFormat {
 +public class VertexFormat implements net.minecraftforge.client.extensions.IForgeVertexFormat {
      public static final int UNKNOWN_ELEMENT = -1;
-     private final List<VertexFormatElement> elements;
-     private final List<String> names;
-@@ -23,6 +_,7 @@
-     private final int[] offsetsByElement = new int[32];
+     private static final boolean USE_STAGING_BUFFER_WORKAROUND = Util.getPlatform() == Util.OS.WINDOWS && Util.isAarch64();
      @Nullable
-     private VertexBuffer immediateDrawVertexBuffer;
+@@ -34,6 +_,7 @@
+     private GpuBuffer immediateDrawVertexBuffer;
+     @Nullable
+     private GpuBuffer immediateDrawIndexBuffer;
 +    private final com.google.common.collect.ImmutableMap<String, VertexFormatElement> elementMapping;
  
      VertexFormat(List<VertexFormatElement> p_343616_, List<String> p_345241_, IntList p_345522_, int p_344162_) {
          this.elements = p_343616_;
-@@ -35,6 +_,11 @@
+@@ -46,6 +_,11 @@
              int j = vertexformatelement != null ? p_343616_.indexOf(vertexformatelement) : -1;
              this.offsetsByElement[i] = j != -1 ? p_345522_.getInt(j) : -1;
          }
@@ -29,13 +29,13 @@
      }
  
      public static VertexFormat.Builder builder() {
-@@ -141,6 +_,9 @@
- 
-         return vertexbuffer;
+@@ -162,6 +_,9 @@
+         );
+         return this.immediateDrawIndexBuffer;
      }
 +
 +    public ImmutableMap<String, VertexFormatElement> getElementMapping() { return elementMapping; }
 +    public int getOffset(int index) { return offsetsByElement[index]; }
  
      @OnlyIn(Dist.CLIENT)
-     public static class Builder {
+     @DontObfuscate

patches/minecraft/com/mojang/math/Transformation.java.patch

@@ -1,15 +1,15 @@
 --- a/com/mojang/math/Transformation.java
 +++ b/com/mojang/math/Transformation.java
-@@ -13,7 +_,7 @@
+@@ -14,7 +_,7 @@
  import org.joml.Quaternionf;
  import org.joml.Vector3f;
  
 -public final class Transformation {
 +public final class Transformation implements net.minecraftforge.common.extensions.IForgeTransformation {
-     private final Matrix4f matrix;
+     private final Matrix4fc matrix;
      public static final Codec<Transformation> CODEC = RecordCodecBuilder.create(
          p_269604_ -> p_269604_.group(
-@@ -169,5 +_,19 @@
+@@ -174,5 +_,19 @@
          vector3f1.lerp(p_175938_.getScale(), p_175939_);
          quaternionf1.slerp(p_175938_.getRightRotation(), p_175939_);
          return new Transformation(vector3f, quaternionf, vector3f1, quaternionf1);

patches/minecraft/net/minecraft/CrashReportCategory.java.patch

@@ -34,4 +34,4 @@
 +        this.stackTrace = t.getStackTrace();
      }
  
-     public static void populateBlockDetails(CrashReportCategory p_178951_, LevelHeightAccessor p_178952_, BlockPos p_178953_, @Nullable BlockState p_178954_) {
+     public static void populateBlockDetails(CrashReportCategory p_178951_, LevelHeightAccessor p_178952_, BlockPos p_178953_, BlockState p_178954_) {

patches/minecraft/net/minecraft/SharedConstants.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/SharedConstants.java
 +++ b/net/minecraft/SharedConstants.java
-@@ -170,6 +_,7 @@
+@@ -175,6 +_,7 @@
      }
  
      static {

patches/minecraft/net/minecraft/Util.java.patch

@@ -1,7 +1,7 @@
 --- a/net/minecraft/Util.java
 +++ b/net/minecraft/Util.java
-@@ -264,7 +_,7 @@
-                 .getSchema(DataFixUtils.makeKey(SharedConstants.getCurrentVersion().getDataVersion().getVersion()))
+@@ -268,7 +_,7 @@
+                 .getSchema(DataFixUtils.makeKey(SharedConstants.getCurrentVersion().dataVersion().version()))
                  .getChoiceType(p_137552_, p_137553_);
          } catch (IllegalArgumentException illegalargumentexception) {
 -            LOGGER.error("No data fixer registered for {}", p_137553_);

patches/minecraft/net/minecraft/advancements/Advancement.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/advancements/Advancement.java
 +++ b/net/minecraft/advancements/Advancement.java
-@@ -214,7 +_,11 @@
+@@ -226,7 +_,11 @@
          }
  
          public AdvancementHolder save(Consumer<AdvancementHolder> p_138390_, String p_138391_) {

patches/minecraft/net/minecraft/advancements/AdvancementRewards.java.patch

@@ -1,7 +1,7 @@
 --- a/net/minecraft/advancements/AdvancementRewards.java
 +++ b/net/minecraft/advancements/AdvancementRewards.java
-@@ -41,6 +_,7 @@
-         LootParams lootparams = new LootParams.Builder(p_9990_.serverLevel())
+@@ -43,6 +_,7 @@
+         LootParams lootparams = new LootParams.Builder(serverlevel)
              .withParameter(LootContextParams.THIS_ENTITY, p_9990_)
              .withParameter(LootContextParams.ORIGIN, p_9990_.position())
 +            .withLuck(p_9990_.getLuck())

patches/minecraft/net/minecraft/client/Camera.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/client/Camera.java
 +++ b/net/minecraft/client/Camera.java
-@@ -120,9 +_,13 @@
+@@ -133,9 +_,13 @@
      }
  
      protected void setRotation(float p_90573_, float p_90574_) {
@@ -15,7 +15,7 @@
          FORWARDS.rotate(this.rotation, this.forwards);
          UP.rotate(this.rotation, this.up);
          LEFT.rotate(this.rotation, this.left);
-@@ -238,6 +_,13 @@
+@@ -251,6 +_,13 @@
  
      public float getPartialTickTime() {
          return this.partialTickTime;
@@ -28,4 +28,4 @@
 +            return this.level.getBlockState(this.blockPosition).getStateAtViewpoint(this.level, this.blockPosition, this.position);
      }
  
-     @OnlyIn(Dist.CLIENT)
+     @Override

patches/minecraft/net/minecraft/client/KeyMapping.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/client/KeyMapping.java
 +++ b/net/minecraft/client/KeyMapping.java
-@@ -14,9 +_,9 @@
+@@ -15,9 +_,9 @@
  import net.minecraftforge.api.distmarker.OnlyIn;
  
  @OnlyIn(Dist.CLIENT)
@@ -12,7 +12,7 @@
      private static final Set<String> CATEGORIES = Sets.newHashSet();
      public static final String CATEGORY_MOVEMENT = "key.categories.movement";
      public static final String CATEGORY_MISC = "key.categories.misc";
-@@ -42,14 +_,14 @@
+@@ -43,14 +_,14 @@
      private int clickCount;
  
      public static void click(InputConstants.Key p_90836_) {
@@ -29,7 +29,7 @@
          if (keymapping != null) {
              keymapping.setDown(p_90839_);
          }
-@@ -100,7 +_,7 @@
+@@ -101,7 +_,7 @@
      }
  
      public boolean isDown() {
@@ -38,7 +38,7 @@
      }
  
      public String getCategory() {
-@@ -136,7 +_,16 @@
+@@ -137,7 +_,16 @@
      public int compareTo(KeyMapping p_90841_) {
          return this.category.equals(p_90841_.category)
              ? I18n.get(this.name).compareTo(I18n.get(p_90841_.name))
@@ -56,7 +56,7 @@
      }
  
      public static Supplier<Component> createNameSupplier(String p_90843_) {
-@@ -145,6 +_,20 @@
+@@ -146,6 +_,20 @@
      }
  
      public boolean same(KeyMapping p_90851_) {
@@ -77,7 +77,7 @@
          return this.key.equals(p_90851_.key);
      }
  
-@@ -163,11 +_,13 @@
+@@ -164,11 +_,13 @@
      }
  
      public Component getTranslatedKeyMessage() {
@@ -92,10 +92,10 @@
      }
  
      public String saveString() {
-@@ -176,5 +_,88 @@
- 
-     public void setDown(boolean p_90846_) {
-         this.isDown = p_90846_;
+@@ -182,5 +_,88 @@
+     @Nullable
+     public static KeyMapping get(String p_378660_) {
+         return ALL.get(p_378660_);
 +    }
 +
 +    private net.minecraftforge.client.settings.KeyModifier keyModifierDefault = net.minecraftforge.client.settings.KeyModifier.NONE;

patches/minecraft/net/minecraft/client/KeyboardHandler.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/client/KeyboardHandler.java
 +++ b/net/minecraft/client/KeyboardHandler.java
-@@ -424,12 +_,12 @@
+@@ -440,12 +_,12 @@
              if (screen != null) {
                  try {
                      if (p_90897_ != 1 && p_90897_ != 2) {
@@ -15,7 +15,7 @@
                              return;
                          }
                      }
-@@ -505,6 +_,7 @@
+@@ -504,6 +_,7 @@
                      }
                  }
              }
@@ -23,7 +23,7 @@
          }
      }
  
-@@ -514,10 +_,10 @@
+@@ -513,10 +_,10 @@
              if (screen != null && this.minecraft.getOverlay() == null) {
                  try {
                      if (Character.isBmpCodePoint(p_90891_)) {

patches/minecraft/net/minecraft/client/Minecraft.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/client/Minecraft.java
 +++ b/net/minecraft/client/Minecraft.java
-@@ -253,7 +_,7 @@
+@@ -256,7 +_,7 @@
  import org.slf4j.Logger;
  
  @OnlyIn(Dist.CLIENT)
@@ -9,7 +9,7 @@
      static Minecraft instance;
      private static final Logger LOGGER = LogUtils.getLogger();
      public static final boolean ON_OSX = Util.getPlatform() == Util.OS.OSX;
-@@ -433,7 +_,6 @@
+@@ -435,7 +_,6 @@
              }
          }, Util.nonCriticalIoPool());
          LOGGER.info("Setting user: {}", this.user.getName());
@@ -17,7 +17,7 @@
          this.demo = p_91084_.game.demo;
          this.allowsMultiplayer = !p_91084_.game.disableMultiplayer;
          this.allowsChat = !p_91084_.game.disableChat;
-@@ -480,15 +_,15 @@
+@@ -486,10 +_,9 @@
              LOGGER.error("Couldn't set icon", (Throwable)ioexception);
          }
  
@@ -26,24 +26,26 @@
 -        this.mouseHandler.setup(this.window.getWindow());
          this.keyboardHandler = new KeyboardHandler(this);
 -        this.keyboardHandler.setup(this.window.getWindow());
-         RenderSystem.initRenderer(this.options.glDebugVerbosity, false);
+         RenderSystem.initRenderer(
+             this.window.getWindow(),
+             this.options.glDebugVerbosity,
+@@ -500,6 +_,7 @@
+         LOGGER.info("Using optional rendering extensions: {}", String.join(", ", RenderSystem.getDevice().getEnabledExtensions()));
          this.mainRenderTarget = new MainTarget(this.window.getWidth(), this.window.getHeight());
-         this.mainRenderTarget.setClearColor(0.0F, 0.0F, 0.0F, 0.0F);
-         this.mainRenderTarget.clear();
          this.resourceManager = new ReloadableResourceManager(PackType.CLIENT_RESOURCES);
 +        net.minecraftforge.client.loading.ClientModLoader.begin(this, this.resourcePackRepository, this.resourceManager);
          this.resourcePackRepository.reload();
          this.options.loadSelectedResourcePacks(this.resourcePackRepository);
          this.languageManager = new LanguageManager(this.options.languageCode, p_340763_ -> {
-@@ -562,6 +_,7 @@
-         );
-         this.resourceManager.registerReloadListener(this.entityRenderDispatcher);
+@@ -578,6 +_,7 @@
+         this.blockEntityRenderDispatcher = new BlockEntityRenderDispatcher(this.font, this.modelManager.entityModels(), this.blockRenderer, this.itemModelResolver, this.itemRenderer, this.entityRenderDispatcher);
+         this.resourceManager.registerReloadListener(this.blockEntityRenderDispatcher);
          this.particleEngine = new ParticleEngine(this.level, this.textureManager);
 +        net.minecraftforge.client.ForgeHooksClient.onRegisterParticleProviders(this.particleEngine);
          this.resourceManager.registerReloadListener(this.particleEngine);
          this.paintingTextures = new PaintingTextureManager(this.textureManager);
          this.resourceManager.registerReloadListener(this.paintingTextures);
-@@ -577,6 +_,9 @@
+@@ -593,6 +_,9 @@
          this.resourceManager.registerReloadListener(this.gpuWarnlistManager);
          this.resourceManager.registerReloadListener(this.regionalCompliancies);
          this.gui = new Gui(this);
@@ -51,17 +53,17 @@
 +        this.mouseHandler.setup(this.window.getWindow());
 +        this.keyboardHandler.setup(this.window.getWindow());
          this.debugRenderer = new DebugRenderer(this);
-         RealmsClient realmsclient = RealmsClient.create(this);
+         RealmsClient realmsclient = RealmsClient.getOrCreate(this);
          this.realmsDataFetcher = new RealmsDataFetcher(realmsclient);
-@@ -600,6 +_,7 @@
-             this.options.fullscreen().set(this.window.isFullscreen());
+@@ -626,6 +_,7 @@
+             }
          }
  
 +        net.minecraftforge.client.ForgeHooksClient.initClientHooks(this, this.resourceManager);
          this.window.updateVsync(this.options.enableVsync().get());
          this.window.updateRawMouseInput(this.options.rawMouseInput().get());
          this.window.setDefaultErrorCallback();
-@@ -620,16 +_,17 @@
+@@ -648,16 +_,17 @@
          GameLoadTimesEvent.INSTANCE.beginStep(TelemetryProperty.LOAD_TIME_LOADING_OVERLAY_MS);
          Minecraft.GameLoadCookie minecraft$gameloadcookie = new Minecraft.GameLoadCookie(realmsclient, p_91084_.quickPlay);
          this.setOverlay(
@@ -69,20 +71,20 @@
 -                this, reloadinstance, p_296164_ -> Util.ifElse(p_296164_, p_296162_ -> this.rollbackResourcePacks(p_296162_, minecraft$gameloadcookie), () -> {
 +            net.minecraftforge.fml.loading.ImmediateWindowHandler.<LoadingOverlay>loadingOverlay(
 +                () -> this, () -> reloadinstance, p_296164_ -> Util.ifElse(p_296164_, p_296162_ -> this.rollbackResourcePacks(p_296162_, minecraft$gameloadcookie), () -> {
-                         if (SharedConstants.IS_RUNNING_IN_IDE) {
-                             this.selfTest();
-                         }
+                     if (SharedConstants.IS_RUNNING_IN_IDE) {
+                         this.selfTest();
+                     }
  
-                         this.reloadStateTracker.finishReload();
-                         this.onResourceLoadFinished(minecraft$gameloadcookie);
-+                        net.minecraftforge.client.loading.ClientModLoader.completeModLoading();
-                     }), false
+                     this.reloadStateTracker.finishReload();
+                     this.onResourceLoadFinished(minecraft$gameloadcookie);
++                    net.minecraftforge.client.loading.ClientModLoader.completeModLoading();
+                 }), false
 -            )
 +            ).get()
          );
-         this.quickPlayLog = QuickPlayLog.of(p_91084_.quickPlay.path());
+         this.quickPlayLog = QuickPlayLog.of(p_91084_.quickPlay.logPath());
          this.framerateLimitTracker = new FramerateLimitTracker(this.options, this);
-@@ -724,6 +_,7 @@
+@@ -759,6 +_,7 @@
          StringBuilder stringbuilder = new StringBuilder("Minecraft");
          if (checkModStatus().shouldReportAsModified()) {
              stringbuilder.append("*");
@@ -90,7 +92,7 @@
          }
  
          stringbuilder.append(" ");
-@@ -747,6 +_,8 @@
+@@ -782,6 +_,8 @@
      }
  
      private UserApiService createUserApiService(YggdrasilAuthenticationService p_193586_, GameConfig p_193587_) {
@@ -99,7 +101,7 @@
          return p_193587_.user.user.getType() != User.Type.MSA
              ? UserApiService.OFFLINE
              : p_193586_.createUserApiService(p_193587_.user.user.getAccessToken());
-@@ -757,7 +_,7 @@
+@@ -792,7 +_,7 @@
      }
  
      private void rollbackResourcePacks(Throwable p_91240_, @Nullable Minecraft.GameLoadCookie p_299515_) {
@@ -108,7 +110,7 @@
              this.clearResourcePacksOnError(p_91240_, null, p_299515_);
          } else {
              Util.throwAsRuntime(p_91240_);
-@@ -1043,12 +_,6 @@
+@@ -1078,12 +_,6 @@
              LOGGER.error("setScreen called from non-game thread");
          }
  
@@ -121,7 +123,7 @@
          if (p_91153_ == null && this.clientLevelTeardownInProgress) {
              throw new IllegalStateException("Trying to return to in-game GUI during disconnection");
          } else {
-@@ -1062,6 +_,23 @@
+@@ -1097,6 +_,23 @@
                  }
              }
  
@@ -145,7 +147,15 @@
              this.screen = p_91153_;
              if (this.screen != null) {
                  this.screen.added();
-@@ -1215,9 +_,11 @@
+@@ -1180,6 +_,7 @@
+             FreeTypeUtil.destroy();
+             Util.shutdownExecutors();
+             RenderSystem.getDevice().close();
++            net.minecraftforge.fml.config.ConfigTracker.INSTANCE.forceUnload();
+         } catch (Throwable throwable) {
+             LOGGER.error("Shutdown failure!", throwable);
+             throw throwable;
+@@ -1248,9 +_,11 @@
          this.mouseHandler.handleAccumulatedMovement();
          profilerfiller.pop();
          if (!this.noRender) {
@@ -157,8 +167,8 @@
          }
  
          profilerfiller.push("blit");
-@@ -1339,10 +_,12 @@
-         this.window.setGuiScale((double)i);
+@@ -1379,10 +_,12 @@
+         this.window.setGuiScale(i);
          if (this.screen != null) {
              this.screen.resize(this, this.window.getGuiScaledWidth(), this.window.getGuiScaledHeight());
 +            net.minecraftforge.client.ForgeHooksClient.resizeGuiLayers(this, this.window.getGuiScaledWidth(), this.window.getGuiScaledHeight());
@@ -170,7 +180,7 @@
          this.gameRenderer.resize(this.window.getWidth(), this.window.getHeight());
          this.mouseHandler.setIgnoreFirstMove();
      }
-@@ -1483,6 +_,7 @@
+@@ -1520,6 +_,7 @@
      }
  
      public void stop() {
@@ -178,14 +188,14 @@
          this.running = false;
      }
  
-@@ -1511,10 +_,18 @@
+@@ -1547,10 +_,18 @@
              if (p_91387_ && this.hitResult != null && this.hitResult.getType() == HitResult.Type.BLOCK) {
                  BlockHitResult blockhitresult = (BlockHitResult)this.hitResult;
                  BlockPos blockpos = blockhitresult.getBlockPos();
 -                if (!this.level.getBlockState(blockpos).isAir()) {
 +                if (!this.level.isEmptyBlock(blockpos)) {
-+                    var inputEvent = net.minecraftforge.client.event.ForgeEventFactoryClient.onClickInput(0, this.options.keyAttack, InteractionHand.MAIN_HAND);
-+                    if (inputEvent.isCanceled()) {
++                    var inputEvent = new net.minecraftforge.client.event.InputEvent.InteractionKeyMappingTriggered(0, this.options.keyAttack, InteractionHand.MAIN_HAND);
++                    if (net.minecraftforge.client.event.InputEvent.InteractionKeyMappingTriggered.BUS.post(inputEvent)) {
 +                       if (inputEvent.shouldSwingHand()) {
 +                          this.particleEngine.addBlockHitEffects(blockpos, blockhitresult);
 +                          this.player.swing(InteractionHand.MAIN_HAND);
@@ -200,16 +210,16 @@
                          this.player.swing(InteractionHand.MAIN_HAND);
                      }
                  }
-@@ -1542,6 +_,8 @@
+@@ -1578,6 +_,8 @@
                  return false;
              } else {
                  boolean flag = false;
-+                var inputEvent = net.minecraftforge.client.event.ForgeEventFactoryClient.onClickInput(0, this.options.keyAttack, InteractionHand.MAIN_HAND);
-+                if (!inputEvent.isCanceled())
++                var inputEvent = new net.minecraftforge.client.event.InputEvent.InteractionKeyMappingTriggered(0, this.options.keyAttack, InteractionHand.MAIN_HAND);
++                if (!net.minecraftforge.client.event.InputEvent.InteractionKeyMappingTriggered.BUS.post(inputEvent))
                  switch (this.hitResult.getType()) {
                      case ENTITY:
                          this.gameMode.attack(this.player, ((EntityHitResult)this.hitResult).getEntity());
-@@ -1549,7 +_,7 @@
+@@ -1585,7 +_,7 @@
                      case BLOCK:
                          BlockHitResult blockhitresult = (BlockHitResult)this.hitResult;
                          BlockPos blockpos = blockhitresult.getBlockPos();
@@ -218,7 +228,7 @@
                              this.gameMode.startDestroyBlock(blockpos, blockhitresult.getDirection());
                              if (this.level.getBlockState(blockpos).isAir()) {
                                  flag = true;
-@@ -1562,8 +_,10 @@
+@@ -1598,8 +_,10 @@
                          }
  
                          this.player.resetAttackStrengthTicker();
@@ -229,12 +239,12 @@
                  this.player.swing(InteractionHand.MAIN_HAND);
                  return flag;
              }
-@@ -1579,6 +_,12 @@
+@@ -1615,6 +_,12 @@
                  }
  
                  for (InteractionHand interactionhand : InteractionHand.values()) {
-+                    var inputEvent = net.minecraftforge.client.event.ForgeEventFactoryClient.onClickInput(1, this.options.keyUse, interactionhand);
-+                    if (inputEvent.isCanceled()) {
++                    var inputEvent = new net.minecraftforge.client.event.InputEvent.InteractionKeyMappingTriggered(1, this.options.keyUse, interactionhand);
++                    if (net.minecraftforge.client.event.InputEvent.InteractionKeyMappingTriggered.BUS.post(inputEvent)) {
 +                       if (inputEvent.shouldSwingHand()) this.player.swing(interactionhand);
 +                       return;
 +                    }
@@ -242,7 +252,7 @@
                      ItemStack itemstack = this.player.getItemInHand(interactionhand);
                      if (!itemstack.isItemEnabled(this.level.enabledFeatures())) {
                          return;
-@@ -1599,7 +_,7 @@
+@@ -1635,7 +_,7 @@
                                  }
  
                                  if (interactionresult instanceof InteractionResult.Success interactionresult$success2) {
@@ -251,16 +261,16 @@
                                          this.player.swing(interactionhand);
                                      }
  
-@@ -1611,7 +_,7 @@
+@@ -1647,7 +_,7 @@
                                  int i = itemstack.getCount();
                                  InteractionResult interactionresult1 = this.gameMode.useItemOn(this.player, interactionhand, blockhitresult);
                                  if (interactionresult1 instanceof InteractionResult.Success interactionresult$success) {
 -                                    if (interactionresult$success.swingSource() == InteractionResult.SwingSource.CLIENT) {
 +                                    if (interactionresult$success.swingSource() == InteractionResult.SwingSource.CLIENT && inputEvent.shouldSwingHand()) {
                                          this.player.swing(interactionhand);
-                                         if (!itemstack.isEmpty() && (itemstack.getCount() != i || this.gameMode.hasInfiniteItems())) {
+                                         if (!itemstack.isEmpty() && (itemstack.getCount() != i || this.player.hasInfiniteMaterials())) {
                                              this.gameRenderer.itemInHandRenderer.itemUsed(interactionhand);
-@@ -1627,6 +_,9 @@
+@@ -1663,6 +_,9 @@
                          }
                      }
  
@@ -270,7 +280,7 @@
                      if (!itemstack.isEmpty()
                          && this.gameMode.useItem(this.player, interactionhand) instanceof InteractionResult.Success interactionresult$success1) {
                          if (interactionresult$success1.swingSource() == InteractionResult.SwingSource.CLIENT) {
-@@ -1656,6 +_,8 @@
+@@ -1692,6 +_,8 @@
          }
  
          ProfilerFiller profilerfiller = Profiler.get();
@@ -279,7 +289,7 @@
          profilerfiller.push("gui");
          this.chatListener.tick();
          this.gui.tick(this.pause);
-@@ -1745,6 +_,7 @@
+@@ -1778,6 +_,7 @@
  
                  this.tutorial.tick();
  
@@ -287,7 +297,7 @@
                  try {
                      this.level.tick(() -> true);
                  } catch (Throwable throwable1) {
-@@ -1758,6 +_,7 @@
+@@ -1791,6 +_,7 @@
  
                      throw new ReportedException(crashreport1);
                  }
@@ -295,7 +305,7 @@
              }
  
              profilerfiller.popPush("animateTick");
-@@ -1782,6 +_,7 @@
+@@ -1815,6 +_,7 @@
          profilerfiller.popPush("keyboard");
          this.keyboardHandler.tick();
          profilerfiller.pop();
@@ -303,7 +313,7 @@
      }
  
      private boolean isLevelRunningNormally() {
-@@ -1983,6 +_,7 @@
+@@ -2031,6 +_,7 @@
      }
  
      public void setLevel(ClientLevel p_91157_, ReceivingLevelScreen.Reason p_335893_) {
@@ -311,7 +321,7 @@
          this.updateScreenAndTick(new ReceivingLevelScreen(() -> false, p_335893_));
          this.level = p_91157_;
          this.updateLevelInEngines(p_91157_);
-@@ -2020,6 +_,7 @@
+@@ -2068,6 +_,7 @@
          IntegratedServer integratedserver = this.singleplayerServer;
          this.singleplayerServer = null;
          this.gameRenderer.resetData();
@@ -319,7 +329,7 @@
          this.gameMode = null;
          this.narrator.clear();
          this.clientLevelTeardownInProgress = true;
-@@ -2027,6 +_,7 @@
+@@ -2075,6 +_,7 @@
          try {
              this.updateScreenAndTick(p_335030_);
              if (this.level != null) {
@@ -327,7 +337,7 @@
                  if (integratedserver != null) {
                      ProfilerFiller profilerfiller = Profiler.get();
                      profilerfiller.push("waitForServer");
-@@ -2040,6 +_,7 @@
+@@ -2088,6 +_,7 @@
  
                  this.gui.onDisconnected();
                  this.isLocalServer = false;
@@ -335,40 +345,11 @@
              }
  
              this.level = null;
-@@ -2187,6 +_,7 @@
+@@ -2236,6 +_,7 @@
  
      private void pickBlock() {
          if (this.hitResult != null && this.hitResult.getType() != HitResult.Type.MISS) {
-+            if (net.minecraftforge.client.event.ForgeEventFactoryClient.onClickInput(2, this.options.keyPickItem, InteractionHand.MAIN_HAND).isCanceled()) return;
-             boolean flag = this.player.getAbilities().instabuild;
-             BlockEntity blockentity = null;
-             HitResult.Type hitresult$type = this.hitResult.getType();
-@@ -2199,7 +_,7 @@
-                 }
- 
-                 Block block = blockstate.getBlock();
--                itemstack = block.getCloneItemStack(this.level, blockpos, blockstate);
-+                itemstack = blockstate.getCloneItemStack(this.hitResult, this.level, blockpos, this.player);
-                 if (itemstack.isEmpty()) {
-                     return;
-                 }
-@@ -2213,7 +_,7 @@
-                 }
- 
-                 Entity entity = ((EntityHitResult)this.hitResult).getEntity();
--                itemstack = entity.getPickResult();
-+                itemstack = entity.getPickedResult(this.hitResult);
-                 if (itemstack == null) {
-                     return;
-                 }
-@@ -2818,6 +_,10 @@
-     @Nullable
-     public static String getLauncherBrand() {
-         return System.getProperty("minecraft.launcher.brand");
-+    }
-+
-+    public ItemColors getItemColors() {
-+       return this.itemColors;
-     }
- 
-     @OnlyIn(Dist.CLIENT)
++            if (net.minecraftforge.client.event.ForgeEventFactoryClient.onClickInputPickBlock(this.options.keyPickItem)) return;
+             boolean flag = Screen.hasControlDown();
+             switch (this.hitResult) {
+                 case BlockHitResult blockhitresult:

patches/minecraft/net/minecraft/client/MouseHandler.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/client/MouseHandler.java
 +++ b/net/minecraft/client/MouseHandler.java
-@@ -85,6 +_,7 @@
+@@ -90,6 +_,7 @@
                  this.activeButton = -1;
              }
  
@@ -8,7 +8,7 @@
              if (this.minecraft.getOverlay() == null) {
                  if (this.minecraft.screen == null) {
                      if (!this.mouseGrabbed && flag) {
-@@ -98,7 +_,7 @@
+@@ -103,7 +_,7 @@
                          screen.afterMouseAction();
  
                          try {
@@ -17,7 +17,7 @@
                                  return;
                              }
                          } catch (Throwable throwable1) {
-@@ -112,7 +_,7 @@
+@@ -116,7 +_,7 @@
                          }
                      } else {
                          try {
@@ -26,18 +26,18 @@
                                  return;
                              }
                          } catch (Throwable throwable) {
-@@ -147,6 +_,7 @@
+@@ -150,6 +_,7 @@
                  }
              }
          }
 +        net.minecraftforge.client.event.ForgeEventFactoryClient.onMouseButtonPost(p_91532_, p_91533_, p_91534_);
      }
  
-     private void onScroll(long p_91527_, double p_91528_, double p_91529_) {
-@@ -160,7 +_,9 @@
+     public void fillMousePositionDetails(CrashReportCategory p_398230_, Window p_398216_) {
+@@ -189,7 +_,9 @@
                  if (this.minecraft.screen != null) {
-                     double d3 = this.xpos * (double)this.minecraft.getWindow().getGuiScaledWidth() / (double)this.minecraft.getWindow().getScreenWidth();
-                     double d4 = this.ypos * (double)this.minecraft.getWindow().getGuiScaledHeight() / (double)this.minecraft.getWindow().getScreenHeight();
+                     double d3 = this.getScaledXPos(this.minecraft.getWindow());
+                     double d4 = this.getScaledYPos(this.minecraft.getWindow());
 -                    this.minecraft.screen.mouseScrolled(d3, d4, d1, d2);
 +                    if (net.minecraftforge.client.event.ForgeEventFactoryClient.onScreenMouseScrollPre(this.minecraft.screen, d3, d4, d1, d2)) return;
 +                    if (this.minecraft.screen.mouseScrolled(d3, d4, d1, d2)) return;
@@ -45,7 +45,7 @@
                      this.minecraft.screen.afterMouseAction();
                  } else if (this.minecraft.player != null) {
                      Vector2i vector2i = this.scrollWheelHandler.onMouseScroll(d1, d2);
-@@ -169,6 +_,7 @@
+@@ -198,6 +_,7 @@
                      }
  
                      int i = vector2i.y == 0 ? -vector2i.x : vector2i.y;
@@ -53,8 +53,8 @@
                      if (this.minecraft.player.isSpectator()) {
                          if (this.minecraft.gui.getSpectatorGui().isMenuActive()) {
                              this.minecraft.gui.getSpectatorGui().onMouseScrolled(-i);
-@@ -274,7 +_,7 @@
-                     double d5 = this.accumulatedDY * (double)this.minecraft.getWindow().getGuiScaledHeight() / (double)this.minecraft.getWindow().getScreenHeight();
+@@ -303,7 +_,7 @@
+                     double d5 = getScaledYPos(window, this.accumulatedDY);
  
                      try {
 -                        screen.mouseDragged(d2, d3, this.activeButton, d4, d5);
@@ -62,7 +62,7 @@
                      } catch (Throwable throwable) {
                          CrashReport crashreport1 = CrashReport.forThrowable(throwable, "mouseDragged event handler");
                          screen.fillCrashDetails(crashreport1);
-@@ -349,6 +_,14 @@
+@@ -393,6 +_,14 @@
  
      public double ypos() {
          return this.ypos;

patches/minecraft/net/minecraft/client/Options.java.patch

@@ -1,16 +1,24 @@
 --- a/net/minecraft/client/Options.java
 +++ b/net/minecraft/client/Options.java
-@@ -698,7 +_,8 @@
+@@ -671,7 +_,8 @@
          },
          new OptionInstance.LazyEnum<>(
              () -> Stream.concat(Stream.of(""), Minecraft.getInstance().getSoundManager().getAvailableSoundDevices().stream()).toList(),
 -            p_232011_ -> Minecraft.getInstance().isRunning() && p_232011_ != "" && !Minecraft.getInstance().getSoundManager().getAvailableSoundDevices().contains(p_232011_)
 +            // FORGE: fix incorrect string comparison - PR #8767
 +            p_232011_ -> Minecraft.getInstance().isRunning() && (p_232011_ == null || !p_232011_.isEmpty()) && !Minecraft.getInstance().getSoundManager().getAvailableSoundDevices().contains(p_232011_)
-                     ? Optional.empty()
-                     : Optional.of(p_232011_),
+                 ? Optional.empty()
+                 : Optional.of(p_232011_),
              Codec.STRING
-@@ -1079,6 +_,7 @@
+@@ -705,6 +_,7 @@
+     );
+     public boolean syncWrites;
+     public boolean startedCleanly = true;
++    private final Map<String, String> unknownKeys = new java.util.HashMap<>();
+ 
+     public OptionInstance<Boolean> darkMojangStudiosBackground() {
+         return this.darkMojangStudiosBackground;
+@@ -1088,6 +_,7 @@
      }
  
      public Options(Minecraft p_92138_, File p_92139_) {
@@ -18,15 +26,16 @@
          this.minecraft = p_92138_;
          this.optionsFile = new File(p_92139_, "options.txt");
          boolean flag = Runtime.getRuntime().maxMemory() >= 1000000000L;
-@@ -1210,12 +_,22 @@
-         p_168428_.process("telemetryOptInExtra", this.telemetryOptInExtra);
-         this.onboardAccessibility = p_168428_.process("onboardAccessibility", this.onboardAccessibility);
-         p_168428_.process("menuBackgroundBlurriness", this.menuBackgroundBlurriness);
-+        processOptionsForge(p_168428_);
+@@ -1222,15 +_,28 @@
+         this.startedCleanly = p_168428_.process("startedCleanly", this.startedCleanly);
+         p_168428_.process("showNowPlayingToast", this.showNowPlayingToast);
+         p_168428_.process("musicFrequency", this.musicFrequency);
++        processOptionsKeysOnly(p_168428_);
++        processOptionsEnd(p_168428_);
 +    }
  
-+    // FORGE: split off to allow reloading options after mod loading is done
-+    private void processOptionsForge(Options.FieldAccess p_168428_) {
++    // FORGE: split off to allow reloading keys after mod loading is done
++    private void processOptionsKeysOnly(Options.FieldAccess p_168428_) {
          for (KeyMapping keymapping : this.keyMappings) {
 -            String s = keymapping.saveString();
 +            String s = keymapping.saveString() + (keymapping.getKeyModifier() != net.minecraftforge.client.settings.KeyModifier.NONE ? ":" + keymapping.getKeyModifier() : "");
@@ -41,8 +50,13 @@
 +                }
              }
          }
++    }
  
-@@ -1233,6 +_,10 @@
++    private void processOptionsEnd(Options.FieldAccess p_168428_) {
+         for (SoundSource soundsource : SoundSource.values()) {
+             p_168428_.process("soundCategory_" + soundsource.getName(), this.soundSourceVolumes.get(soundsource));
+         }
+@@ -1245,6 +_,10 @@
      }
  
      public void load() {
@@ -53,17 +67,60 @@
          try {
              if (!this.optionsFile.exists()) {
                  return;
-@@ -1260,7 +_,8 @@
-                 }
+@@ -1269,7 +_,8 @@
+                 this.graphicsMode.set(isTrue(optional.get()) ? GraphicsStatus.FANCY : GraphicsStatus.FAST);
              }
  
 -            this.processOptions(
-+            java.util.function.Consumer<FieldAccess> processor = limited ? this::processOptionsForge : this::processOptions;
++            java.util.function.Consumer<FieldAccess> processor = limited ? this::processOptionsKeysOnly : this::processOptions;
 +            processor.accept(
                  new Options.FieldAccess() {
                      @Nullable
-                     private String getValueOrNull(String p_168459_) {
-@@ -1451,6 +_,7 @@
+                     private String getValue(String p_394210_) {
+@@ -1350,6 +_,17 @@
+             );
+             compoundtag1.getString("fullscreenResolution").ifPresent(p_389133_ -> this.fullscreenVideoModeString = p_389133_);
+             KeyMapping.resetMapping();
++
++            if (limited) {
++                this.unknownKeys.clear();
++            } else {
++                var knownKeys = Arrays.stream(this.keyMappings).map(k -> "key_" + k.getName()).collect(Collectors.toSet());
++                for (var entry : compoundtag1.entrySet()) {
++                    if (entry.getKey().startsWith("key_") && entry.getValue().asString().isPresent() && !knownKeys.contains(entry.getKey()))
++                        this.unknownKeys.put(entry.getKey(), entry.getValue().asString().get());
++                }
++            }
++
+         } catch (Exception exception) {
+             LOGGER.error("Failed to load options", (Throwable)exception);
+         }
+@@ -1377,9 +_,11 @@
+     public void save() {
+         try (final PrintWriter printwriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(this.optionsFile), StandardCharsets.UTF_8))) {
+             printwriter.println("version:" + SharedConstants.getCurrentVersion().dataVersion().version());
++            var seen = new java.util.HashSet<String>();
+             this.processOptions(
+                 new Options.FieldAccess() {
+                     public void writePrefix(String p_168491_) {
++                        seen.add(p_168491_);
+                         printwriter.print(p_168491_);
+                         printwriter.print(':');
+                     }
+@@ -1435,6 +_,12 @@
+             if (s != null) {
+                 printwriter.println("fullscreenResolution:" + s);
+             }
++            // Forge add any unknown keys so that Mods can add keybindings between vanilla loading/saving its config.
++            for (var entry : this.unknownKeys.entrySet()) {
++                if (!seen.contains(entry.getKey()))
++                    printwriter.println(entry.getKey() + ":" + entry.getValue());
++            }
++
+         } catch (Exception exception) {
+             LOGGER.error("Failed to save options", (Throwable)exception);
+         }
+@@ -1473,6 +_,7 @@
      }
  
      public void broadcastOptions() {
@@ -71,7 +128,7 @@
          if (this.minecraft.player != null) {
              this.minecraft.player.connection.broadcastClientInformation(this.buildPlayerInformation());
          }
-@@ -1564,6 +_,23 @@
+@@ -1586,6 +_,23 @@
  
      public static Component genericValueLabel(Component p_231901_, int p_231902_) {
          return genericValueLabel(p_231901_, Component.literal(Integer.toString(p_231902_)));

patches/minecraft/net/minecraft/client/Screenshot.java.patch

@@ -1,30 +1,32 @@
 --- a/net/minecraft/client/Screenshot.java
 +++ b/net/minecraft/client/Screenshot.java
-@@ -54,14 +_,24 @@
-             file2 = new File(file1, p_92307_);
-         }
+@@ -43,6 +_,13 @@
+                     file2 = new File(file1, p_92297_);
+                 }
  
-+        var event = net.minecraftforge.client.event.ForgeEventFactoryClient.onScreenshot(nativeimage, file2);
-+        if (event.isCanceled()) {
-+           p_92311_.accept(event.getCancelMessage());
-+           return;
-+        }
-+        final File target = event.getScreenshotFile();
++                var event = new net.minecraftforge.client.event.ScreenshotEvent(p_389141_, file2);
++                if (net.minecraftforge.client.event.ScreenshotEvent.BUS.post(event)) {
++                    p_92301_.accept(event.getCancelMessage());
++                    return;
++                }
++                final File target = event.getScreenshotFile();
 +
-         Util.ioPool()
-             .execute(
-                 () -> {
-                     try {
--                        nativeimage.writeToFile(file2);
--                        Component component = Component.literal(file2.getName())
-+                        nativeimage.writeToFile(target);
-+                        Component component = Component.literal(target.getName())
-                             .withStyle(ChatFormatting.UNDERLINE)
--                            .withStyle(p_168608_ -> p_168608_.withClickEvent(new ClickEvent(ClickEvent.Action.OPEN_FILE, file2.getAbsolutePath())));
-+                            .withStyle(p_168608_ -> p_168608_.withClickEvent(new ClickEvent(ClickEvent.Action.OPEN_FILE, target.getAbsolutePath())));
-+                        if (event.getResultMessage() != null)
-+                            p_92311_.accept(event.getResultMessage());
-+                        else
-                         p_92311_.accept(Component.translatable("screenshot.success", component));
-                     } catch (Exception exception) {
-                         LOGGER.warn("Couldn't save screenshot", (Throwable)exception);
+                 Util.ioPool()
+                     .execute(
+                         () -> {
+@@ -50,10 +_,13 @@
+                                 NativeImage $$4x = p_389141_;
+ 
+                                 try {
+-                                    p_389141_.writeToFile(file2);
+-                                    Component component = Component.literal(file2.getName())
++                                    p_389141_.writeToFile(target);
++                                    Component component = Component.literal(target.getName())
+                                         .withStyle(ChatFormatting.UNDERLINE)
+                                         .withStyle(p_389149_ -> p_389149_.withClickEvent(new ClickEvent.OpenFile(file2.getAbsoluteFile())));
++                                    if (event.getResultMessage() != null)
++                                        p_92301_.accept(event.getResultMessage());
++                                    else
+                                     p_92301_.accept(Component.translatable("screenshot.success", component));
+                                 } catch (Throwable throwable1) {
+                                     if (p_389141_ != null) {

patches/minecraft/net/minecraft/client/color/block/BlockColors.java.patch

@@ -1,16 +1,16 @@
 --- a/net/minecraft/client/color/block/BlockColors.java
 +++ b/net/minecraft/client/color/block/BlockColors.java
-@@ -29,7 +_,8 @@
- @OnlyIn(Dist.CLIENT)
- public class BlockColors {
+@@ -30,7 +_,8 @@
      private static final int DEFAULT = -1;
+     public static final int LILY_PAD_IN_WORLD = -14647248;
+     public static final int LILY_PAD_DEFAULT = -9321636;
 -    private final IdMapper<BlockColor> blockColors = new IdMapper<>(32);
 +    // Forge: Use registry delegate as non-Vanilla block ids are not constant
 +    private final java.util.Map<net.minecraft.core.Holder.Reference<Block>, BlockColor> blockColors = new java.util.HashMap<>(32);
      private final Map<Block, Set<Property<?>>> coloringStates = Maps.newHashMap();
  
      public static BlockColors createDefault() {
-@@ -91,11 +_,12 @@
+@@ -95,11 +_,12 @@
          }, Blocks.MELON_STEM, Blocks.PUMPKIN_STEM);
          blockcolors.addColoringState(StemBlock.AGE, Blocks.MELON_STEM, Blocks.PUMPKIN_STEM);
          blockcolors.register((p_92596_, p_92597_, p_92598_, p_92599_) -> p_92597_ != null && p_92598_ != null ? -14647248 : -9321636, Blocks.LILY_PAD);
@@ -24,7 +24,7 @@
          if (blockcolor != null) {
              return blockcolor.getColor(p_92583_, null, null, 0);
          } else {
-@@ -105,13 +_,15 @@
+@@ -109,13 +_,15 @@
      }
  
      public int getColor(BlockState p_92578_, @Nullable BlockAndTintGetter p_92579_, @Nullable BlockPos p_92580_, int p_92581_) {