Release Notes - Minecraft: Java Edition - Version 21w38a - HTML format

Bug

  • [MC-44055] - Game fails to switch the audio output from one device to another after the game has started (from title screen)
  • [MC-128762] - Strongholds do not generate in ocean buffet worlds
  • [MC-136288] - Strongholds don't generate in swamp biomes
  • [MC-158410] - Strongholds don't generate in Beach surface and Snowy beaches buffet worlds
  • [MC-172887] - Circular caves below lava level in the Nether do not align at chunk boundaries
  • [MC-183184] - Sprinting stops as soon as you touch another block
  • [MC-202036] - Adding a biome to a datapack shifts biome IDs in existing chunks
  • [MC-236611] - No sound for using shears on weeping, twisting, cave vines or kelp
  • [MC-236618] - Strongholds don't generate in 21w37a
  • [MC-236621] - Liquids sometimes do not propagate
  • [MC-236633] - Random light level of 0 in sky
  • [MC-236656] - Crash when changing render distance / java.lang.ArrayIndexOutOfBoundsException: Index 28084 out of bounds for length 26136
  • [MC-236665] - Memory leak in 21w37a
  • [MC-236682] - Large and continuous lag spikes sometimes occur when loading/reloading into a world in 21w37a
  • [MC-236698] - Big Spruce Trees don't generate in Groves
  • [MC-236711] - Starting and stopping JFR profiling multiple times within the same minute overwrites previous JFR results saved during that minute
  • [MC-236718] - Dripstone caves generate above the ground
  • [MC-236753] - Caves and Lakes generating too much in Desert surface
  • [MC-236795] - Cannot start with alternate JVM due to JFR requirement
  • [MC-236873] - Problems with JFR event metadata
  • [MC-236967] - Too many aquifers on biome surfaces at Y=63 and below
  • [MC-237109] - Aquifers often generate with harsh straight borders

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