Java What changed in 21w18a
Everything below is measured by comparing the game files of 21w17a with 21w18a — not copied from patch notes.
Fixes 37
Read from Mojang’s own release notes for Minecraft Snapshot 21w18a, published 2021-05-05. Every entry keeps its original bug ID.
37 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.
Bugs fixed in 21w18a 37
MC-3587Last use of an anvil causes player to drop their itemMC-87935When closing the inventory while holding an item with the cursor in Creative mode, the item disappearsMC-125033Old cave and ravine generation gets cut off unnaturally on chunk borders near waterMC-162953NativeImage bounds checks are incorrectMC-197616Certain custom biome settings cause game to spam "Received invalid biome id: -1" in the console, causing major lag or freezeMC-204707Adventure mode players can extinguish candlesMC-204969No "Burning" sound for items burning in lava cauldronMC-205797Zoglins attack Marker armor stands and Invisible armor standsMC-206560Pufferfish react to Marker armor stands and Invisible armor standsMC-208430Minecraft crashes when loading resource pack due to "tessellating block model"MC-208679Axolotl inconsistently doesn't show its mouth in-gameMC-211064Loading in a TrueTypeFont with an out-of-bounds size crashes the gameMC-214159Small Dripleaf sometimes shrink into smaller (1 block tall) Big Dripleaf when using bone mealMC-214427Spore Blossoms can be used to breathe underwater / cannot be waterloggedMC-214793Some strips of chunks generate completely darkMC-214808World occasionally fails to load correctlyMC-214860Some chunks in a line are lit up constantlyMC-214898Extreme world generation lagMC-215867Crash: java.lang.IllegalStateException: Chunk not there when requestedMC-215946Game fatally crashed while exploring chunks (IllegalStateException: Accessing PalettedContainer from multiple threadsMC-216148Some chunks occasionally don't save properly, resetting progressMC-221647Goat Babies Don't Follow ParentsMC-221725Legs of goats move differentlyMC-221727Goat eye height is outside of its hitbox while airborneMC-221840Goats can still do high jumps normally when on honey blocksMC-222151Goat head animation is weird when it rides a boatMC-222157Eye position of the goat is too high in some cases, causing suffocationMC-222458UVs on the goat's ears aren't mirrored as they should beMC-223141Piglins aren't attracted to a Block of Raw GoldMC-223145Piglins aren't angered when mining a Block of Raw GoldMC-223150Goats ram Marker armor stands & Invisible armor standsMC-223178Deepslate Tile Stairs come before Deepslate Brick Stairs in the creative inventoryMC-223203Deepslate ore map colors are inconsistent with deepslateMC-223239Ramming sound that comes from a baby goat does not change pitchMC-223422When removing water from base of Small Dripleaf, the block stands without water untill a block updateMC-224401Mob death does not show death particlesMC-224428Raw ore blocks can generate as floating blocks in ore veins
Development cycle
This build was part of the run-up to 1.17. Everything tested here landed in that release.