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Minecraft 21w16a

Weekly work-in-progress build. Things break and get removed again. Full source data for this version is extracted and browsable below.

2,109 names shipped in this version. Each result opens the wiki page for that thing.

Contents (7)
  1. What changed in 21w16a
  2. Block states changed
  3. New in-game text
  4. Fixes
  5. Development cycle
  6. Browse this version
  7. Neighbouring versions

Java What changed in 21w16a

Everything below is measured by comparing the game files of 21w15a with 21w16a — not copied from patch notes.

Block states changed

BlockAddedRemoved
Infested Deepslateaxis = x y z—

New in-game text 3

KeyText
multiplayer.applyingPackApplying resource pack
stat.minecraft.play_timeTime Played
stat.minecraft.total_world_timeTime with World Open

Fixes 51

Read from Mojang’s own release notes for Minecraft Snapshot 21w16a, published 2021-04-21. Every entry keeps its original bug ID.

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

Bugs fixed in 21w16a 51

  • MC-29522 stat.playOneMinute adds a value of 1 every tick
  • MC-55775 Statistics screen sometimes doesn't show up to date information
  • MC-111534 The firework rocket use statistic doesn't count rockets used for elytra boosting
  • MC-117653 Recipes and advancements are not granted while most GUIs are open
  • MC-136560 minecraft.used:minecraft.elytra not functioning
  • MC-136681 Debug Stick use statistic increases when not allowed to use it
  • MC-157116 Food that is plantable counts towards using when right clicked on the ground
  • MC-190128 Using a flint and steel to ingite TNT is not tracked by the in-game stats
  • MC-203637 Mobs don't avoid lava cauldrons when pathfinding despite of setting themselves on fire
  • MC-205236 Frozen State doesn't go away after respawn when on a server
  • MC-208598 Baby axolotls take damage when touching a solid block from below / eye height is outside of their hitbox
  • MC-212113 Glow Lichen can spawn underwater whilst not in a cave.
  • MC-212863 Glow lichen use the same color as vines on maps
  • MC-213927 Using bone meal on a sapling that is on a moss block consumes bone meal, but doesn't grow into a tree
  • MC-213998 root_vines_head is unused in-game files
  • MC-214129 Several dirt blocks are not part of the #minecraft:lush_plants_replaceable tag
  • MC-214293 Mobs can spawn on top of azaleas
  • MC-215270 Moss requires air above a replaceable block to spread
  • MC-216787 Cobwebs in mineshafts can generate as if supported by chains
  • MC-217411 Anvils can become damaged when only falling one block
  • MC-218590 Error message for commands.give.failed.toomanyitems doesn't translate item name
  • MC-218592 Azalea trees can generate inside of lakes (even completely submerged in water
  • MC-218614 Inconsistency: Infested Deepslate can't be placed along axis
  • MC-218637 Inconsistency: Infested deepslate is not rotated randomly like normal deepslate
  • MC-219155 Cast fishing line is disconnected from the rod
  • MC-219211 Two mysterious white pixels can be seen in the upper left corner of the recipe book icon
  • MC-219851 Applying bone meal to a waterlogged big dripleaf stem creates more waterlogged big dripleaf stems
  • MC-219903 Silverfish infesting deepslate cause it to rotate
  • MC-220024 Shader compilation slows or fails the more asterisks are in a multiline comment
  • MC-220307 TrueType Font glyphs render incorrectly
  • MC-220641 Loyalty tridents disappear when your inventory is full
  • MC-220887 Shader includes fail to compile correctly when missing newline at end of file
  • MC-221560 Copper/Coal Ore in Deepslate Patches aren't Deepslate Ores
  • MC-221628 Entities don’t stop glowing after losing the glowing effect
  • MC-221652 Teleport command to player does not work as in previous versions
  • MC-221655 Glow Squids and Axolotls Spawn in Monuments
  • MC-222004 Grass block isn't apart of the #dirt block tag
  • MC-222517 A large amount of slime or honey blocks will crash the game
  • MC-222684 You cannot grow azalea trees by bonemealing Azalea plants
  • MC-222778 minecraft.used:minecraft.candle doesn't increase when placing a candle on a cake
  • MC-223260 Emerald ore does not generate as intended
  • MC-223553 minecraft.used:minecraft.glow_ink_sac doesn't increase when applying a glow ink sac to a sign
  • MC-223554 minecraft.used:minecraft.ink_sac doesn't increase when applying an ink sac to a sign
  • MC-223555 minecraft.used:minecraft.COLOR_dye doesn't increase when applying a dye to a sign
  • MC-223557 minecraft.used:minecraft.bucket doesn't increase when taking powder snow, lava, or water from a cauldron using a bucket
  • MC-223558 minecraft.used:minecraft.glass_bottle doesn't increase when taking water from a cauldron using a glass bottle
  • MC-223563 minecraft.used:minecraft.glass_bottle doesn't increase when collecting honey from a beehive or bee nest
  • MC-223638 minecraft.used:minecraft.shears doesn't increase when carving a pumpkin
  • MC-223639 minecraft.used:minecraft.shears doesn't increase when collecting honeycombs from a beehive or bee nest
  • MC-223756 minecraft.used:minecraft.powder_snow_bucket doesn't increase when filling a cauldron with a powder snow bucket
  • MC-223757 minecraft.used:minecraft.lava_bucket doesn't increase when filling a cauldron with a lava bucket

Development cycle

This build was part of the run-up to 1.17. Everything tested here landed in that release.

Browse this version