Minecraft 21w38a

Everything below is measured by comparing the game files of 21w37a with 21w38a — not copied from patch notes.

Sound events +1

New in-game text 2

Read from Mojang’s own release notes for Minecraft Snapshot 21w38a, published 2021-09-23. Every entry keeps its original bug ID.

14 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Bugs fixed in 21w38a 14

• MC-44055 Game fails to switch the audio output from one device to another after the game has started (from title screen
• 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-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-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

This build was part of the run-up to 1.18. Everything tested here landed in that release.