Forge 48.1 Minecraft 1.20.2

Forge version: 48.1.0
Minecraft version: 1.20.2

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Intro:

Forge on 1.20.2 has seen significant improvements to various subsystems, including - but not limited to - a drastically simpler networking system with proxy support, faster mod loading and registries, a new test suite, self-analysing crash reports, mapped patches and more.

New:

• New, rewritten networking
  • Better support for proxies such as Velocity and BungeeCord
  • Drastically simpler architecture and implementation
  • Packets are now records
• Make SimpleChannel use a varInt for the discriminator allowing essentially unlimited packets.
• Use official mappings for in-repo patches, will be converted to SRG during build.
• Send known channels to the server when they send us theirs.
• Optimise `ForgeRegistry#validateContent`. (#9715)
• Optimise and clean-up BackgroundScanHandler code. Closes #9713
• Optimise path filter in mod loading (#9710)
• Make default Entity.getAddPacket automatically use Forge's enhanced spawn packet if necessary.
  • This spawn packet needs to be re-designed, it is effectively only there to hook into creating the new entity instance. This will be re-evaluated during the clean-up in 1.21+
• Clean-up FMLLoader and Launch Handlers
• New test suite
  • Test mods are now treated as their own jars, as well as having their mods.toml auto-generated. No more mods.toml conflicts!
• Add pattern matching support to Data run mod list.
• Rewrite our GameTest hooks to be more sane.
  • Add game test to GlobalLootModifierTest which validates the smelting modifiers.
• Revive ConditionalRecipe and ConditionalAdvancement.
  • Also directly add conditional support to all vanilla recipe data generators.
• Revive custom ingredient types.
• Add a CrashReportAnalyser that tries to identify the mod that crashed the game
  • This feature scans your crash report as it is being generated and lists suspected mods that could be the cause of the crash, accounting for coremodding as well.
  • This makes it easier to find the culprit as it is often listed clearly in the crash report itself (e.g. "Suspected mods: buggymod")
• Improve mod loading error message for errors inside mod constructors (#9751)
  • No longer shows a vague error if the error happens inside a constructor - Forge now tells you the actual error
• Optimise registries by using fastutils collections to minimize boxing. (#9749)
• Significantly faster builds with large clean-up and reorganization. Skip redundant decomp/recomp step on CI
  • Gradle 8.4
• Datagen addOptionalTag/s methods that allow passing the TagKey itself instead of passing the location (#9807)
• Add ClientPauseEvent (#9782)

Fixed:

• Fix Hunger bar rendering incorrectly. Fixes #9725
• Make CriteriaTriggers#register public again. Closes #9723
• Fix double message encoding in `Channel#toVanillaPacket`. Fixes #9721 (#9722)
• Fix OpenContainer message not resetting reader index of additional data.
• Fix migration error causing nether and end portals to not function properly.
• Fixed PlayerDestroyItemEvent not triggering for Fishing Rods (#9729)
• Fix missed patch causing new onInventoryTick method to not be called.
• Fix ignitedByLava making blocks permanently flammable (#9735) Fixes #9730
• Fix Slot Index for Inventory Ticking Items (#9736)
• Fix ignoreList for client and server
• Fix ConditionalCodec having an inverted test. Closes #9742
• Fix advancement screen being too dark. Fixes #9727
• Make horses and llama's fire LivingFallEvent. Fixes #9743
• Fix loot tables not having their ids set.
• Fix Melon/Pumpkin stems having wrong plat type causing them to remain after trampling farmland. Fixes #9495
• Fix potential threading issue when registering CriteriaTriggers. Closes #9745
• Fix @GameTestGenerator not functioning correctly. Closes #9748
• Fix lowcode implementation version, now that it's actually labeling the correct package.
• Improve mod description formatting in mods screen (#9768)
  • No longer fussy about indentation in mods.toml files
  • Fixes the [CR] text being shown for some mods
• Updated to use newer libraries that reduce the amount of command line arguments needed to run the game.
  • Fix issues in the SecureModule's classloader that caused resources to not be seen when they are on parent module layers.
• Make Ingredient check for invalidation on getItems(), invalidate ingredients on tags update (#9688)
• Fix texture UV values for obj models. Closes #9737 (#9767)
• Fix tag loading being unordered. Closes #9774
• Add more sanitization to the ChannelListManager to further improve support for third-party modded servers and proxies. Closes #9789 #9772
• Move Chunk Watch/Unwatch events to fire after sync packets have been sent to the client (#9790)
  • This makes sure that modders who send extra chunk data will have clients who know about the chunk.
• Fix rare crash with early display window, fixes #9673 (#9798)
• Don't turn off VSync when rendering from Minecraft context (#9800)
• Fix KeyModifiers not being properly taken into account. Closes #9806
• Rework KeyModifiers system to properly allow keybinds to be triggered when multiple modifiers are pressed.
  • Fix setting keybinds whel using keyboard inputs to select the menu. Closes #9793
• Fix LoadingErrorScreen inner headers are not centered. Closes #9687
• Fix TagLoader error not printing tag name correctly. Closes #9693

Removed/deprecated:

• Removed FakePlayer system, it's broken and needs a major rewrite.
  • This was removed as it frequently had edge-cases that gave a false sense of security and was a bit of a "wack-a-mole" game to find and fix issues with each MC version
• Deprecate EntityRenderersEvent.AddLayers functions that hard case to LivingEntityRenderers as the backing maps do not guarantee that type. Closes #9683