Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.10.8-1.21.10] - 2025-11-30

Changed

• Revert preventing clients from disconnecting for failed attachment syncs on Fabric

Fixed

• Fix keybind conflicts not showing on Fabric
• Fix LivingDropsCallback failing to capture entity equipment on Fabric

[v21.10.7-1.21.10] - 2025-11-16

Changed

• Support built-in data packs that are enabled by default and can be manually disabled by players
• Prevent clients from disconnecting for failed attachment syncs on Fabric

Fixed

• Fix start-up crash due to an unregistered event callback on Fabric

[v21.10.6-1.21.10] - 2025-11-14

Added

• Add BeforeCharacterType & AfterCharacterType events

[v21.10.5-1.21.10] - 2025-10-21

Changed

• ItemTooltipCallback is no longer called when not on the render thread, to prevent a crash caused from splitting text or measuring text width

[v21.10.4-1.21.10] - 2025-10-20

Fixed

• Fix java.lang.UnsupportedOperationException when joining a world when a mod is trying to remove existing mob spawns on NeoForge

[v21.10.3-1.21.10] - 2025-10-16

Added

• Add ParticleProvidersContext::registerParticleRenderType

Fixed

• Fix a crash that occurred when trying to set an attachment value on NeoForge

[v21.10.2-1.21.10] - 2025-10-11

Changed

• Update for NeoForge 21.10.7-beta
• Small refactors in AbstractLanguageProvider
• Attachment values are no longer set when the old value is equal to the new value

Fixed

• Fix duplicate key categories
• Fix GuiGraphicsHelper::blitNineSlicedSprite using an invalid gui sprites atlas location

[v21.10.1-1.21.10] - 2025-10-09

Changed

• Update for NeoForge 21.10.3-beta

[v21.10.0-1.21.10] - 2025-10-08

Changed

• Update to Minecraft 1.21.10

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.10.7-1.21.10] - 2025-11-16

Changed

• Support built-in data packs that are enabled by default and can be manually disabled by players
• Prevent clients from disconnecting for failed attachment syncs on Fabric

Fixed

• Fix start-up crash due to an unregistered event callback on Fabric

[v21.10.6-1.21.10] - 2025-11-14

Added

• Add BeforeCharacterType & AfterCharacterType events

[v21.10.5-1.21.10] - 2025-10-21

Changed

• ItemTooltipCallback is no longer called when not on the render thread, to prevent a crash caused from splitting text or measuring text width

[v21.10.4-1.21.10] - 2025-10-20

Fixed

• Fix java.lang.UnsupportedOperationException when joining a world when a mod is trying to remove existing mob spawns on NeoForge

[v21.10.3-1.21.10] - 2025-10-16

Added

• Add ParticleProvidersContext::registerParticleRenderType

Fixed

• Fix a crash that occurred when trying to set an attachment value on NeoForge

[v21.10.2-1.21.10] - 2025-10-11

Changed

• Update for NeoForge 21.10.7-beta
• Small refactors in AbstractLanguageProvider
• Attachment values are no longer set when the old value is equal to the new value

Fixed

• Fix duplicate key categories
• Fix GuiGraphicsHelper::blitNineSlicedSprite using an invalid gui sprites atlas location

[v21.10.1-1.21.10] - 2025-10-09

Changed

• Update for NeoForge 21.10.3-beta

[v21.10.0-1.21.10] - 2025-10-08

Changed

• Update to Minecraft 1.21.10

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.8.9-1.21.8] - 2025-10-23

Changed

• Add access widener for CreativeModeInventoryScreen$SlotWrapper

Fixed

• Fix java.lang.UnsupportedOperationException when joining a world when a mod is trying to remove existing mob spawns on NeoForge

[v21.8.8-1.21.8] - 2025-08-13

Changed

• Rework freezing of ConfigHolder and RegistryManager

[v21.8.7-1.21.8] - 2025-08-13

Added

• Add RegistryManager::prepareTag
• Expand methods in CustomItemModelOutput

[v21.8.6-1.21.8] - 2025-08-11

Added

• Add RenderPropertyKey::onUpdateEntityRenderState

[v21.8.5-1.21.8] - 2025-08-10

Changed

• Replace HudStatusBarHeightRegistry with implementation from Fabric

Fixed

• Fix entity interaction events not functioning properly on Fabric
• Fix lenient validation for restricted config values

[v21.8.4-1.21.8] - 2025-08-04

Added

• Add AbstractLootProvider.Blocks::createHeadDrop
• Add CommonHelper::getRegistryAccess

Changed

• Tag contents constructed via AbstractTagProvider are now sorted to ensure consistent results for dynamically added data pack registry entries

[v21.8.3-1.21.8] - 2025-07-31

Added

• Add PackRepositorySourcesContext::registerBuiltInPack
• Support built-in packs in DataProviderHelper
• Add TransformingForwardingList

Changed

• pack.mcmeta is now always created during data generation for every mod

[v21.8.2-1.21.8] - 2025-07-27

Fixed

• Fix Config has already been registered exception

[v21.8.1-1.21.8] - 2025-07-27

Added

• Add AnchorPoint
• Add CommonHelper::getBlockableEventLoop

Changed

• Overhaul ComponentHelper implementation to properly support legacy formatting codes passed as part of a string

Fixed

• Fix some quirks with player interaction events on Fabric

[v21.8.0-1.21.8] - 2025-07-18

• Update to Minecraft 1.21.8

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.5.13-1.21.5] - 2025-10-23

Changed

• Add access widener for CreativeModeInventoryScreen$SlotWrapper

Fixed

• Fix java.lang.UnsupportedOperationException when joining a world when a mod is trying to remove existing mob spawns on NeoForge

[v21.5.12-1.21.5] - 2025-05-29

Fixed

• Temporary workaround for ClientLifecycleEvents$Started firing too late for registering render layers on NeoForge

[v21.5.11-1.21.5] - 2025-05-29

Added

• Add ItemTooltipRegistryV3

Changed

• Update custom configuration screens to better handle startup configs
• Update RegistryManager::registerEntityDataSerializer to use new Fabric Api hook
• Rework CreativeModeTabHelper, including support for painting variants
• Update PlayerNetworkEvents to use Fabric Api's new events in ServerPlayerEvents
• Update AnvilEvents for NeoForge 21.5.73+

[v21.5.10-1.21.5] - 2025-05-01

Added

• Add MenuProviderWithData

[v21.5.9-1.21.5] - 2025-04-23

Added

• Add GuiLayersContext::setEventPhase

[v21.5.8-1.21.5] - 2025-04-23

Added

• Add GuiLayersContext
• Add SpawnerDataBuilder
• Add ItemTooltipRegistryV2
• Add ContainerMenuHelper::openMenu

Changed

• Allow configs to be available during start-up
• Make custom registries optional to handle mod presence mismatches between clients and servers more leniently on Fabric

Fixed

• Only trigger CommandOverrides when commands are allowed
• Fix event phase converters not respecting the ordering of all parent event phases

[v21.5.7-1.21.5] - 2025-04-14

Changed

• Rework implementation for menu types with additional data sent to clients

[v21.5.6-1.21.5] - 2025-04-14

Added

• Add SimpleContainerImpl
• Add RenderPipelinesContext
• Add some overloads to HSV

Fixed

• Fix RenderPipelines failing to register on NeoForge

[v21.5.5-1.21.5] - 2025-04-10

Added

• Add ClientCommonHelper
• Add GuiHeightHelper::getMaxHeight & GuiHeightHelper::getMinHeight

Fixed

• Fix ClassCastException for PlayLevelSoundEvents on Fabric

[v21.5.4-1.21.5] - 2025-04-03

Added

• Add HSV utility class
• Add one more RegistryManager::registerSpawnEggItem overload

Fixed

• Fix entity attributes failing to register on NeoForge

[v21.5.3-1.21.5] - 2025-04-02

Added

• Add ItemTooltipRegistry
• Add EntityHelper::isPiglinCurrency
• Add AbstractLanguageProvider::mustHaveTranslationKey
• Add a few more methods to ClientComponentSplitter

Changed

• Slightly rework AbstractAtlasProvider
• Deprecate some method in ComponentHelper

[v21.5.2-1.21.5] - 2025-04-02

Added

• Add back ModelLoadingHelper::missingModel
• Add a few missing access wideners

Removed

• Remove BlockStateResolverContext$ResourceLoaderContext as it can no longer be supported with current APIs

Fixed

• Fix start-up crash on Fabric due to a faulty Mixin
• Temporarily fix ClientLifecycleEvents$Started not firing on NeoForge due to a bug in the mod loader

[v21.5.1-1.21.5] - 2025-04-01

Changed

• Overhaul internal development structure

Fixed

• Fix client start-up crash on NeoForge caused by Minecraft being null

[v21.5.0-1.21.5] - 2025-03-31

• Port to Minecraft 1.21.5

Added

• Add RegisterConfigurationTasksCallback
• Add ContentRegistrationHelperfor registering new skull block types
• Add QuadUtils
• Add CodecExtras::LIST_TAG_CODEC, CodecExtras::setOf, and CodecExtras::decodeOnly

Changed

• Complete networking refactor, replacing NetworkHandler with ModConstructor::onRegisterPayloadTypes, and adding support for configuration phase messages
• Untie PlayerSet from only being able to handle sending packets
• Split CommonAbstractions into multiple classes such as EntityHelper, EnchantingHelper, and ExplosionEventHelper
• Split ClientAbstractions into multiple classes such as GuiHeightHelper, ClientWoodTypeRegistry, and RenderTypeHelper
• Merge EntityAttributesCreateContext & EntityAttributesModifyContext into EntityAttributesContext
• Refactor ClientStartedCallback into ClientLifecycleEvents
• Support directly registering a texture location in SkullRenderersContext

Removed

• Remove SpecialBlockModelTypesContext
• Remove JsonConfigFileUtil & JsonSerializationUtil
• Remove BlockInteractionsContext, CompostableBlocksContext, FlammableBlocksContext & FuelValuesContext
• Remove ReflectionHelper
• Remove RegisterFuelValuesCallback
• Remove RegistryHelper
• Remove MessageV2
• Remove ClientModConstructor::onRegisterAdditionalModels
• Remove ClientModConstructor::onRegisterCoreShaders
• Remove SetupMobGoalsCallback

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.4.14-1.21.4] - 2025-10-23

Changed

• Add access widener for CreativeModeInventoryScreen$SlotWrapper

[v21.4.13-1.21.4] - 2025-03-28

Changed

• Add CapabilityKey::clear

[v21.4.12-1.21.4] - 2025-03-14

Added

• Add ModConstructor::onRegisterGameplayContent
• Add ClientAbstractions::copyBakedQuad
• Add BuiltinResourcePackHelper

Changed

• Add a bunch of safety checks for casting in event invokers

Fixed

• Fix rare start-up crash when registering generated config translations on NeoForge
• Fix DataProviderHelper::registerDataProviders failing when called multiple times

[v21.4.11-1.21.4] - 2025-03-02

Added

• Add CommonAbstractions::getRarityStyle
• Add SetupMobGoalsCallback
• Add back overhauled NeoForgeDataProviderContext

Changed

• Allow AbstractLanguageProvider to check for missing translation keys
• Support providing a separate RegistrySetBuilder outside of a dedicated DataProvider in DataProviderHelper

Fixed

• Fix CommonAbstractions::hasChannel not properly checking for fake players

[v21.4.10-1.21.4] - 2025-03-02

Added

• Add a few helper methods for creating blasting / smoking / campfire recipes to AbstractRecipeProvider

Fixed

• Fix client crash when trying to use custom furnace fuels on a dedicated NeoForge server

[v21.4.9-1.21.4] - 2025-02-25

Added

• Add ClientSetupCallback & CommonSetupCallback
• Add LootContextKeySetFactory
• Add GiveItemHelper

Changed

• Update FabricEventFactory to handle faulty return values more leniently

[v21.4.8-1.21.4] - 2025-02-17

Changed

• Add RegistryAccess to DataAttachmentRegistry.Builder

[v21.4.7-1.21.4] - 2025-02-09

Added

• Add ItemModelGenerationHelper
• Add additional methods to ModelLocationHelper

Fixed

• Fix AbstractParticleProvider being unable to properly locate existing textures
• Fix AbstractParticleProvider failing to create particle definition files

[v21.4.6-1.21.4] - 2025-02-09

Added

• Add ItemModelsContext, deprecating SpecialBlockModelTypesContext

[v21.4.5-1.21.4] - 2025-02-07

Added

• Add FuelValuesContext, deprecating RegisterFuelValuesCallback

Changed

• Update for NeoForge 21.4.84+

[v21.4.4-1.21.4] - 2025-02-06

Changed

• Allow BlockStateResolverContext to add UnbakedModel instances

Fixed

• Fix BlockStateResolverContext not caching manually loaded UnbakedModel instances on NeoForge
• Fix BlockStateResolverContext constantly re-baking all previously located UnbakedBlockStateModel instances on NeoForge

[v21.4.3-1.21.4] - 2025-02-05

Added

• Add an alternative BlockStateResolverContext::registerBlockStateResolver implementation for preparing asynchronously loaded resources

Changed

• Rework methods in ModelLoadingHelper to return CompletableFuture instances
• Move selected item name together with gui height variables on Fabric just as NeoForge does

Fixed

• Fix ShieldBlockCallback firing when the entity is not blocking on NeoForge
• Fix ClientAbstractions::getGuiRightHeight and ClientAbstractions::getGuiLeftHeight providing incorrect values for creative players on Fabric

[v21.4.2-1.21.4] - 2025-02-04

Added

• Add BlockStateResolverContext
• Add ClientStartedCallback
• Add ModelLoadingHelper

Changed

• Delay running AdditionalModelsContext until ModelLoadingPlugin initialization on Fabric

Fixed

• Fix AbstractModelProvider generating all vanilla item models on each run

[v21.4.1-1.21.4] - 2025-02-03

Changed

• Temporarily allow data generation to run by hijacking the client configuration while Architectury Loom remains broken

[v21.4.0-1.21.4] - 2025-02-03

• Port to Minecraft 1.21.4

Added

• Add SpecialBlockModelTypesContext
• Add SpecialBlockModelRenderersContext
• Add GameRegistriesContext
• Add TransmuteRecipeHelper
• Add ExistingFilesHelper

Changed

• Replace RenderNameTagEvents with RenderNameTagCallback
• Replace ExtractRenderStateCallback with ExtractRenderStateCallbackV2
• Rework ModelEvents into ModelLoadingEvents, BlockModelLoadingEvents, and ModelBakingCompletedCallback
• Refactor ColorProvidersContext into BlockColorsContext

Removed

• Remove ContentRegistrationFlags
• Remove NeoForgeDataProviderContext
• Remove LootTableLoadEvents
• Remove RenderPlayerEvents
• Remove BuildCreativeModeTabContentsContext
• Remove CreativeModeTabContext with CreativeModeTabConfigurator
• Remove BuiltinModelItemRendererContext with BuiltinItemRenderer and ReloadingBuiltInItemRenderer
• Remove ItemModelPropertiesContext
• Remove ItemModelDisplayOverrides
• Remove AbstractRegistriesDatapackGenerator
• Remove AbstractModelProvider with ModItemModelProvider

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.3.25-1.21.3] - 2025-10-23

Changed

• Add access widener for CreativeModeInventoryScreen$SlotWrapper

[v21.3.24-1.21.3] - 2025-01-29

Fixed

• Fix CompostableBlocksContext running too early to use item objects directly again

[v21.3.23-1.21.3] - 2025-01-29

Fixed

• Fix CompostableBlocksContext running too early to use item objects directly

[v21.3.22-1.21.3] - 2025-01-29

Added

• Add CompostableBlocksContext

[v21.3.21-1.21.3] - 2025-01-29

Added

• Add DataPackRegistriesContext
• Add AbstractRecipeProvider::foodCooking
• Add BlockFamilyBuilder::hangingSign

[v21.3.20-1.21.3] - 2025-01-28

Added

• Add LootTableLoadCallback, deprecating LootTableLoadEvents
• Add TransformingRecipeOutput

[v21.3.19-1.21.3] - 2025-01-26

Added

• Add ClientAbstractions::registerWoodType
• Add one more RegistryManager::registerBlockItem overload

Removed

• Remove BlockFamilyBuilder::wallSign

[v21.3.18-1.21.3] - 2025-01-24

Added

• Add QuickMoveRuleSet
• Add ArmorMaterialBuilder
• Add PickProjectileCallback
• Add EnderPearlTeleportCallback
• Add BuildCreativeModeTabContentsCallback
• Add AbstractLanguageProvider$BlockFamilyBuilder
• Add RegistryManager::registerCreativeModeTab
• Add RegistryManager::registerRecipeBookCategory
• Add internal ModEnchantCommand
• Add a few new transitive access wideners

Fixed

• Avoid unnecessarily high memory usage from holding on to top level model locations after model events have completed
• Fix setting empty lines for TooltipBuilder throwing an exception under some circumstances
• Fix unable to set a new widget tooltip using vanilla methods when TooltipBuilder has been used for the widget
• Fix network packets executing with one tick delay on Fabric

Removed

• Remove LivingBreathEvents as the implementation is too invasive to maintain on Fabric

[v21.3.17-1.21.3] - 2025-01-07

Added

• Add AbstractEquipmentModelProvider
• Add ClientAbstractions::isEffectVisibleInGui & ClientAbstractions::isEffectVisibleInInventory
• Add missing methods to InteractionResultHelper
• Add a few new transitive access wideners
• Add one more RegistryManager::registerItem overload

Changed

• Support instruments in AbstractRegistriesDatapackGenerator
• Overhaul AbstractRegistriesDatapackGenerator into AbstractDatapackRegistriesProvider

Fixed

• Fix GatherEffectScreenTooltipCallback on Fabric

[v21.3.16-1.21.3] - 2024-12-27

Added

• Add SingleChestRenderer
• Add ClientAbstractions::getPartialTick for extracting partial tick time from EntityRenderState
• Add ModelLocationHelper and ModelTemplateHelper from preparing to move some helper methods out of AbstractModelProvider

Changed

• Pass potion name parameter in RegistryManager::registerPotion

Fixed

• Fix cancelling InventoryMobEffectsCallback leading to an exception on Fabric

[v21.3.15-1.21.3] - 2024-12-25

Changed

• Allow setting empty lines for TooltipBuilder to prevent the tooltip from drawing

[v21.3.14-1.21.3] - 2024-12-24

Changed

• Adjust RangedSliderButton implementation to no longer require an access widener to help compatibility with the Cloth Config mod
• ClientAbstractions::registerConfigScreenFactory now merges configs for all provided mod ids instead of overriding the configs of the original mod

[v21.3.13-1.21.3] - 2024-12-08

Changed

• Migrate ExtractRenderStateCallback to dedicated NeoForge event

[v21.3.12-1.21.3] - 2024-12-06

Changed

• Convert some methods back to fields in InteractionResultHelper
• Allow ModLoaderEnvironment::isDevelopmentEnvironment and ModLoaderEnvironment::isDevelopmentEnvironmentWithoutDataGeneration to check any mod id

Fixed

• Fix ExplosionEvents$Start failing to cancel on Fabric

[v21.3.11-1.21.3] - 2024-11-27

Changed

• Supply missing registries to AddDataPackReloadListenersCallback

[v21.3.10-1.21.3] - 2024-11-27

Fixed

• Fix RegisterFuelValuesCallback leading to an OutOfMemoryError on NeoForge

[v21.3.9-1.21.3] - 2024-11-27

Added

• Add additional overloads for RegistryManager::registerBlockItem, RegistryManager::registerBlockEntityType, and RegistryManager::registerPoiType
• Add ModLoaderEnvironment::isPuzzlesLibDevelopmentEnvironmentWithoutDataGeneration and ModLoaderEnvironment::isPuzzlesLibDevelopmentEnvironment

Fixed

• Fix RegistryManager::registerBlockItem failing to copy a block's name for the corresponding item

[v21.3.8-1.21.3] - 2024-11-25

Fixed

• Fix transmute crafting recipes copying all input components

[v21.3.7-1.21.3] - 2024-11-25

Fixed

• Fix clearing all effects crashing on Fabric
• Fix AbstractRecipeProvider failing to generate some recipes occasionally

[v21.3.6-1.21.3] - 2024-11-24

Changed

• Implement missing methods for AbstractRecipeProvider

[v21.3.5-1.21.3] - 2024-11-23

Changed

• Implement ExtractRenderStateCallback using a dedicated mixin

[v21.3.4-1.21.3] - 2024-11-23

Added

• Add ExtractRenderStateCallback
• Add RenderPropertyKey

[v21.3.3-1.21.3] - 2024-11-19

Added

• Add NativeImageHelper

Fixed

• Fix LivingChangeTargetCallback implementation on Fabric

[v21.3.2-1.21.3] - 2024-11-19

Fixed

• Update GuiGraphicsHelper to account for removed blitOffset parameter in GuiGraphics
• Fix ClientAbstractions::registerConfigScreenFactory throwing an exception on NeoForge

[v21.3.1-1.21.3] - 2024-11-18

Added

• Add InteractionResultHelper

Fixed

• Fix PuzzlesLib::isDevelopmentEnvironmentWithoutDataGeneration being inverted

[v21.3.0-1.21.3] - 2024-11-15

• Port to Minecraft 1.21.3

Added

• Add ClientAbstractions::registerConfigScreenFactory

Changed

• Rework RenderNameTagCallback into RenderNameTagEvents for adapting Minecraft changes
• Replace FuelBurnTimesContext with RegisterFuelValuesCallback
• Rename CopyComponents recipes to Transmute recipes
• Replace ChatMessageReceivedEvents with a simplified ChatMessageReceivedCallback

Removed

• Remove MinecartTypeRegistry
• Remove RenderGuiCallback in favor of RenderGuiEvents
• Remove GenericExplosionHelper

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.1.39-1.21.1] - 2025-10-23

Changed

• Add access widener for CreativeModeInventoryScreen$SlotWrapper

[v21.1.38-1.21.1] - 2025-08-11

Added

• Add PackRepositorySourcesContext::registerBuiltInPack
• Support built-in packs in DataProviderHelper

[v21.1.37-1.21.1] - 2025-08-05

Fixed

• Fix ShieldBlockCallback being called even when not actively blocking on NeoForge

[v21.1.36-1.21.1] - 2025-05-04

Changed

• Allow DataProviderHelper to support RegistrySetBuilder

[v21.1.35-1.21.1] - 2025-05-04

Removed

• Remove unused breathing and drowning event implementations on Fabric to improve compatibility with Lunar Client

[v21.1.34-1.21.1] - 2025-04-25

Changed

• Improve compatibility with other mods injecting into the Gui class on Fabric

[v21.1.33-1.21.1] - 2025-03-16

Fixed

• Fix ModelPart$Vertex & ModelPart$Polygon being inaccessible on NeoForge

[v21.1.32-1.21.1] - 2025-03-14

Changed

• Add a bunch of safety checks for casting in event invokers

[v21.1.31-1.21.1] - 2025-03-13

Added

• Add ModConstructor::onRegisterGameplayContent
• Add ModelLocationHelper & ModelTemplateHelper
• Add ResourceKeyHelper
• Add AbstractDatapackRegistriesProvider

[v21.1.30-1.21.1] - 2025-03-11

Fixed

• Fix a rare start-up crash when registering generated config translations on NeoForge

[v21.1.29-1.21.1] - 2025-03-09

Fixed

• Fix CommonAbstractions::hasChannel crashing for invalid players on NeoForge

[v21.1.28-1.21.1] - 2025-02-25

Added

• Backport new block, item and creative mode tab registration methods to RegistryManager
• Backport CompostableBlocksContext

Changed

• Update FabricEventFactory to handle faulty return values more leniently

[v21.1.27-1.21.1] - 2025-01-17

Fixed

• Fix network packets executing with one tick delay on Fabric

[v21.1.26-1.21.1] - 2025-01-16

Changed

• Allow setting empty lines for TooltipBuilder to prevent the tooltip from drawing

Fixed

• Fix unable to set a new widget tooltip using vanilla methods when TooltipBuilder has been used for the widget

[v21.1.25-1.21.1] - 2025-01-10

Fixed

• Avoid unnecessarily high memory usage from holding on to top level model locations after model events have completed
• Wrap BlockStateModelLoader in a WeakReference to avoid holding on to it when it is no longer needed

[v21.1.24-1.21.1] - 2024-12-22

Changed

• Adjust RangedSliderButton implementation to no longer require an access widener to help compatibility with the Cloth Config mod

[v21.1.23-1.21.1] - 2024-10-24

Changed

• Support using AbstractTagAppender as string list builder

[v21.1.22-1.21.1] - 2024-10-22

Added

• Add ChangeEntitySizeCallback
• Add RegistryManager::registerAttribute

Changed

• Expand LivingEntityRenderLayersContext with some additional methods

[v21.1.21-1.21.1] - 2024-10-10

Changed

• Allow PlayerSet to handle a provided client level more leniently

[v21.1.20-1.21.1] - 2024-10-10

Added

• Add CommonAbstractions::getPartEntityParent

Fixed

• Fix removed data attachments failing to synchronize to clients

[v21.1.19-1.21.1] - 2024-10-05

Changed

• Replace ClientParticleTypes with ClientParticleHelper

[v21.1.18-1.21.1] - 2024-10-04

Changed

• Add more helper methods to GuiGraphicsHelper

Fixed

• Fix DynamicPackResources failing to generate some resources

[v21.1.17-1.21.1] - 2024-10-01

Added

• Add ClientAbstractions::hasChannel & CommonAbstractions::hasChannel

Changed

• Network messages are no longer sent to clients & servers that do not understand them

[v21.1.16-1.21.1] - 2024-09-30

Changed

• RenderGuiLayerEvents no longer fire when the hud is hidden via F1

[v21.1.15-1.21.1] - 2024-09-30

Changed

• Slight RenderGuiEvents adjustments

Fixed

• Fix some gui layers from other mods failing to render

[v21.1.14-1.21.1] - 2024-09-29

Added

• Add RenderGuiEvents, replacing RenderGuiCallback

[v21.1.13-1.21.1] - 2024-09-29

Changed

• Overhaul RenderGuiLayerEvents implementation on Fabric

[v21.1.12-1.21.1] - 2024-09-29

Added

• Add NeoForgeCapabilityHelper::registerItemContainer
• Add GuiGraphicsHelper::blitTiledSprite
• Add a bunch of helper methods to ClientAbstractions for handling Gui#leftHeight & Gui#rightHeight

Changed

• Minor ConfigTranslationsManager improvements

Removed

• Remove ModLoaderEnvironment::getObjectShareAccess

[v21.1.11-1.21.1] - 2024-09-25

Added

• Add CodecExtras
• Add some helper methods to ItemModelDisplayOverrides
• Add enum helpers to ExtraStreamCodecs
• Add some helper methods to CreativeModeTabConfigurator
• Add helper methods to ShapesHelper for rotating shapes horizontally

Changed

• Allow for compatibility with Minecraft 1.21 on Fabric if enabled via dependency overrides
• Allow RegistryManager::registerBlockItem to take an Item$Properties supplier

Fixed

• Fix RenderHighlightCallback crashing on NeoForge

[v21.1.10-1.21.1] - 2024-09-20

Changed

• Allow ItemModelDisplayOverrides to accept both ResourceLocation as well as ModelResourceLocation

[v21.1.9-1.21.1] - 2024-09-18

Added

• Add TooltipBuilder::setTooltipLineProcessor

[v21.1.8-1.21.1] - 2024-09-18

Changed

• Pass original ClientTooltipPositioner to tooltip positioner factory in TooltipBuilder

[v21.1.7-1.21.1] - 2024-09-17

Fixed

• Fix LivingDropsCallback failing to capture player drops on Fabric
• Fix some keybinds failing to trigger properly on Fabric

[v21.1.6-1.21.1] - 2024-09-17

Changed

• Overhaul AbstractRegistriesDatapackGenerator so that generated registry values can be used in other data providers

[v21.1.5-1.21.1] - 2024-09-16

Added

• Add new data attachment api

Changed

• Revert codec support for capabilities, use attachments for that
• Rename PlayerSet::notify to PlayerSet::broadcast

[v21.1.4-1.21.1] - 2024-09-14

Changed

• Support codecs for capabilities
• Simplify ModelLayerFactory implementation

[v21.1.3-1.21.1] - 2024-09-13

Added

• Add ScreenSkipper
• Add GsonCodecHelper
• Add TagFactory

[v21.1.2-1.21.1] - 2024-09-12

Added

• Add RegistryManager::registerTrimMaterial and RegistryManager::registerLootTable

[v21.1.1-1.21.1] - 2024-09-11

Added

• Add RegistryManager::registerDataComponentType

Changed

• Minor updates for ConfigTranslationsManager
• Hide some annoying toast messages in development environments

Removed

• Remove BlockEntityHelper

[v21.1.0-1.21.1] - 2024-09-10

• Port to Minecraft 1.21.1

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v20.4.53-1.20.4] - 2025-10-23

Changed

• Add access widener for CreativeModeInventoryScreen$SlotWrapper

[v20.4.52-1.20.4] - 2024-06-16

Fixed

• Attempt fix remapping for Forge

[v20.4.51-1.20.4] - 2024-06-11

Fixed

• Fix RangedSliderButton::getValue again

[v20.4.50-1.20.4] - 2024-06-11

Fixed

• Fix RangedSliderButton::getValue

[v20.4.49-1.20.4] - 2024-06-11

Added

• Add RangedSliderButton

[v20.4.48-1.20.4] - 2024-06-07

Added

• Add ComponentHelper::toString

[v20.4.47-1.20.4] - 2024-06-07

Added

• Add ComputeFieldOfViewCallback

Changed

• Add additional parameters for GatherDebugTextEvents and move injection point on Fabric

[v20.4.46-1.20.4] - 2024-06-03

Changed

• Load client and common configs immediately upon registration on Forge & NeoForge to prepare for startup configs on NeoForge in 1.20.6 and for parity with Fabric

Fixed

• Fix overloads in MutableSoundType
• Fix PlayerTrackingEvents#START running too early on Fabric by introducing a custom event internally

[v20.4.45-1.20.4] - 2024-06-01

Added

• Add HolderBackedSoundType and MutableSoundType

Fixed

• Fix PlayerInteractEvents$AttackBlock not firing for creative players on Fabric

[v20.4.44-1.20.4] - 2024-05-26

Fixed

• Attempt to improve handling for missing child reload listeners during resource reloading

[v20.4.43-1.20.4] - 2024-05-09

Fixed

• Fix crash involving GatherPotentialSpawnsCallback on NeoForge and when the ModernFix mod is installed on Forge

[v20.4.42-1.20.4] - 2024-03-24

Added

• Add LookingAtEndermanCallback

Changed

• Adjust implementation of PlayerInteractEvents to allow for returning InteractionResult#PASS without the value being ignored
• Make LoadCompleteCallback run sequentially on Forge & NeoForge

Fixed

• Fix EntityDataSerializer registration on Forge to avoid id mismatches when receiving server data

[v20.4.41-1.20.4] - 2024-03-19

Added

• Add RenderTooltipCallback in favor of ScreenTooltipEvents$Render

Fixed

• Fix LivingDeathCallback not running for players on Fabric

[v20.4.40-1.20.4] - 2024-03-18

Fixed

• Fix mod list on Forge & NeoForge unable to handle mod jars that define multiple mods at once in mods.toml

[v20.4.39-1.20.4] - 2024-03-14

Changed

• Call CapabilityComponent::setChanged when syncing to remotes

[v20.4.38-1.20.4] - 2024-03-12

Added

• Add ContainerEvents

[v20.4.37-1.20.4] - 2024-03-12

Added

• Add CapabilityComponent::initialize

[v20.4.36-1.20.4] - 2024-03-02

Changed

• Expand and simplify implementation of AbstractTagAppender

[v20.4.35-1.20.4] - 2024-03-01

Added

• Add new version of AbstractTagProvider
• Add custom AbstractTagAppender

[v20.4.34-1.20.4] - 2024-02-29

Changed

• Move LoadCompleteCallback to run much earlier on dedicated servers on Fabric

[v20.4.33-1.20.4] - 2024-02-28

Changed

• Update some DynamicPackResources internals

[v20.4.32-1.20.4] - 2024-02-27

Added

• Add ModLoaderEnvironment::getCurrentMappingsNamespace

Changed

• Allow setting default pack position in PackResourcesHelper

[v20.4.31-1.20.4] - 2024-02-24

Fixed

• Fix player capabilities providing an invalid holder when the player is dead on Forge

[v20.4.30-1.20.4] - 2024-02-23

Fixed

• Fix RegisterCommandsCallback not running on Fabric

[v20.4.29-1.20.4] - 2024-02-23

Fixed

• Fix RenderHandEvents#OFF_HAND firing the wrong hand event type

[v20.4.28-1.20.4] - 2024-02-23

Added

• Add RegistryManager::registerArgumentType
• Add RenderHandEvents in favor of RenderHandCallback

Fixed

• Fix clients attempting to synchronize changed capability values

[v20.4.27-1.20.4] - 2024-02-22

Added

• Add KeyActivationHandler
• Add KeyMappingHelper::registerKeyMapping
• Add PlayerSet

[v20.4.26-1.20.4] - 2024-02-19

Changed

• Deprecate ScreenHelper in favor of Access Wideners and ScreenHelperV2

[v20.4.25-1.20.4] - 2024-02-19

Fixed

• Fix minecart type registry map running out of bounds

[v20.4.24-1.20.4] - 2024-02-18

Added

• Add MinecartTypeRegistry
• Add ContainerMenuHelper
• Add NeoForgeCapabilityHelperV2#registerEntityContainer

[v20.4.23-1.20.4] - 2024-02-15

Fixed

• Fix dedicated server crash due to faulty import

[v20.4.22-1.20.4] - 2024-02-14

Added

• Add GenericExplosionHelper
• Add AbstractLootProviderV2
• Add additional helper methods to AbstractSoundDefinitionProvider
• Add AbstractLanguageProvider::addSpawnEgg

Changed

• Validate item models in AbstractModelProvider

Fixed

• Fix AbstractBuiltInDataProvider not registering generated resources with the file helper
• Fix ItemDisplayOverrides crashing on Forge & NeoForge

[v20.4.21-1.20.4] - 2024-02-10

Fixed

• Fix RegistryManager::registerEntityDataSerializer not actually registering the serializer on Fabric & Forge

[v20.4.20-1.20.4] - 2024-02-10

Fixed

• Fix type parameter on RegistryManager::registerEntityDataSerializer

[v20.4.19-1.20.4] - 2024-02-09

Added

• Add RegistryManager::registerEntityDataSerializer

[v20.4.18-1.20.4] - 2024-02-04

Added

• Add GuiGraphicsHelper
• Add DynamicallyCopiedPackResources

Changed

• Allow SpritelessImageButton to support drawing the vanilla button background
• CapabilityToken no longer needs to be set for a capability on Forge

Fixed

• Fix ContainerScreenEvents$Background running too late on Fabric (Forge & NeoForge are unfortunately still broken, waiting to be fixed by the respective loader)

[v20.4.17-1.20.4] - 2024-02-03

Fixed

• Fix ClientModConstructor::onRegisterRenderBuffers running too late on Forge

[v20.4.16-1.20.4] - 2024-02-03

Added

• Add Proxy::splitTooltipLines

[v20.4.15-1.20.4] - 2024-02-01

Fixed

• Fix crash when breaking crops with Farmer's Delight's sickle

[v20.4.14-1.20.4] - 2024-01-30

Changed

• Update to latest mod loader versions

Fixed

• Fix start-up crash on NeoForge
• Fix mouse drag event not firing on Forge

[v20.4.13-1.20.4] - 2024-01-29

Added

• Add AbstractAdvancementProvider

Fixed

• Fix copy tag recipes sometimes using an incorrect serializer

[v20.4.12-1.20.4] - 2024-01-29

Fixed

• Fix AbstractLootProvider$EntityTypes

[v20.4.11-1.20.4] - 2024-01-28

Fixed

• Fix broken data generation again

[v20.4.10-1.20.4] - 2024-01-28

Added

• Add NeoForgeCapabilityHelperV2
• Add ModLoaderEnvironment::isDataGeneration

Fixed

• Fix development environment utilities breaking data generation

[v20.4.9-1.20.4] - 2024-01-27

Added

• Add EditBox improvements for development environments

Fixed

• Fix TagsUpdatedCallback & ServerLifecycleEvents.Starting not running on dedicated servers

[v20.4.8-1.20.4] - 2024-01-26

Added

• Add ClientModConstructor::onRegisterRenderBuffers
• A lot more small utilities for development environments

Changed

• Reimplement capability system on Fabric on top of Fabric Api's attachment api in favor of the Cardinal Components library
• Implement LivingConversionCallback using Fabric Api's new native event
• Implement MenuScreensContext using NeoForge's new native event

[v20.4.7-1.20.4] - 2024-01-24

Changed

• Revert reverted reduced retina resolution

Fixed

• Fix ScreenMouseEvents$BeforeMouseDrag & ScreenMouseEvents$AfterMouseDrag not firing on Forge & NeoForge

[v20.4.6-1.20.4] - 2024-01-23

Changed

• Some more adjustments to ScreenTooltipFactory
• Revert reduced retina resolution

[v20.4.5-1.20.4] - 2024-01-23

Added

• Add NeoForgeCapabilityHelper
• Add CommandOverrides

Changed

• Some adjustments to ScreenTooltipFactory
• Set default options and run default commands for development environments
• Reduce retina resolution during development on Mac (Fabric only)

[v20.4.4-1.20.4] - 2024-01-21

Added

• Add GameRuleValueOverrides

Changed

• Migrate all accessor mixins in common to access wideners
• Set some default game rule values for development environments
• Handle invalidated capabilities on Forge by supplying a temporary default instance
• Allow data generation run configuration to exit properly

[v20.4.3-1.20.4] - 2024-01-20

Added

• Add SpritelessImageButton
• Add NbtSerializable
• Add RegistryHelper::getBuiltInRegistryHolder

[v20.4.2-1.20.4] - 2024-01-20

Added

• Add MenuScreensContext for registering menu screen factories

Changed

• Allow EnumProvider to accept a custom namespace

[v20.4.1-1.20.4] - 2024-01-19

Added

• Add KeyedValueProvider for serializing values not from a registry in ConfigDataSet

Changed

• Revert RegistryManager returning Holder instead of Holder.Reference
• Migrate init.v2 to init.v3
• Update some javadoc
• Turn some methods public in data providers

Fixed

• Fix unable to instantiate AbstractRecipeProvider on NeoForge due to an additional constructor parameter being patched in

Removed

• Remove Proxy::getKeyMappingComponent

[v20.4.0-1.20.4] - 2024-01-17

• Ported to Minecraft 1.20.4
• Ported to NeoForge
• Support Mixin Extras

Changed

• Overhauled capability api as v3, v2 has been removed
• Renamed RegistryManagerV3 to RegistryManager, now uses Holder instead of Holder.Reference
• Restructured event implementations, also delayed event loading to avoid being blamed for class loading errors
• Data generation has been exclusively moved to NeoForge
• Minor overhauls to NetworkHandlerV2 regarding Message registration

Removed

• Removed RegistryManagerV2
• Removed bundled PuzzlesAccessApi in favor of Loom's access wideners

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v21.10.5-1.21.10] - 2025-10-21

Changed

• ItemTooltipCallback is no longer called when not on the render thread, to prevent a crash caused from splitting text or measuring text width

[v21.10.4-1.21.10] - 2025-10-20

Fixed

• Fix java.lang.UnsupportedOperationException when joining a world when a mod is trying to remove existing mob spawns on NeoForge

[v21.10.3-1.21.10] - 2025-10-16

Added

• Add ParticleProvidersContext::registerParticleRenderType

Fixed

• Fix a crash that occurred when trying to set an attachment value on NeoForge

[v21.10.2-1.21.10] - 2025-10-11

Changed

• Update for NeoForge 21.10.7-beta
• Small refactors in AbstractLanguageProvider
• Attachment values are no longer set when the old value is equal to the new value

Fixed

• Fix duplicate key categories
• Fix GuiGraphicsHelper::blitNineSlicedSprite using an invalid gui sprites atlas location

[v21.10.1-1.21.10] - 2025-10-09

Changed

• Update for NeoForge 21.10.3-beta

[v21.10.0-1.21.10] - 2025-10-08

Changed

• Update to Minecraft 1.21.10