- Check all conversions related to API/Event for the inclusion of ConversionTracker
- ServerboundCommandSuggestionPacket - now sender split, keep old paper reduced limit for this or adopt mojangs?
- ReloadableServerRegistries - this logic all appears to have moved downstream and handled by somebody else, somebody with more familiarity with the code should check this
- BrewingRecipe for now takes any RecipeChoice, which does not represent the PotionIngredient fully.
- Run test for brigadier command suggestions for checking the last changes related to the context used
- Effect immunity is now tag based (EntityTypeTags.IMMUNE_TO_*), spider/wither/wither skeleton configs kept via LivingEntity#isDefaultEffectImmunityDisabled - keep or deprecate in favor of tags?
- Biomes are per-block now, World/LimitedRegion/CustomChunkGenerator setBiome callers need to drop QuartPos conversion
- Block sounds are data-driven (BlockSoundSet registry), SoundType is gone
