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Java Edition 21w41a

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This page covers a development version that has a major issue under certain conditions.
 
The dedicated server for this version has a security vulnerability in the Log4j library that could be used to perform a remote code execution exploit. It can be addressed by appending a certain JVM argument to the server startup command line.[1]
Minecraft 21w41a
Edition Java Edition
Release date October 13, 2021
Type Snapshot
Snapshot for 1.18
Downloads Client (.json)
Server
Obfuscation maps Client
Server
Protocol version  dec1073741869
 hex4000002D
Data version 2839
Resource pack format 8
Data pack format 8
Minimum Java version Java SE 16
β—„β—„  1.17.1 1.18 1.18.1 β–Ίβ–Ί

β—„  21w40a

21w41a

21w42a β–Ί

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21w41a is the fifth snapshot for Java Edition 1.18, released on October 13, 2021,[2] that introduces changes to some textures, world generation, and fixes bugs.

Changes

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Blocks

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Cave vines

Enchanting table

Redstone comparator

Items

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Campfire and soul campfire

Wooden doors and iron doors

Item frames and glow item frames

Signs

Wither

  • Tweaked the wither skull's texture to use the new wither face from the Texture Update.

Zombie villager

  • Tweaked the armorer zombie villager's and weaponsmith zombie villager's textures to remove stray villager pixels.

World generation

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Amethyst geodes

  • Now only generate up to Y=30.
  • Rarity has been increased to match 1.17 levels.

Badlands

Mineshafts

  • Now generate higher up in badlands.

Mountains

  • The snowy slopes and jagged peaks surfaces have been fixed to work like they did in the experimental snapshots, where steep sides of the peaks that facing the east or north are exposed stone.

General

  • New random number generator is used for Overworld generation.

General

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Chunk render pipeline

  • Changed the prioritization order.

Title screen

Server

  • Server classes are now signed.

Sprinting

  • Slightly increased the angle in which sprinting against a block would not stop the player from doing so.

Fixes

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21 issues fixed

From released versions before 1.18

  • MC-118134 – Item frame texture as an item uses texture of oak planks.
  • MC-137950 – Signs textures do not correspond to the actual texture of their handle.
  • MC-142385 – Campfire texture has one pixel extending into hotbar outline.
  • MC-148182 – The zombie villager "profession" texture uses villager-skin-colored pixels.
  • MC-152506 – Wither skull projectile has faces with old texture.
  • MC-160256 – Texture of door items does not match the blocks.
  • MC-166508 – Glitchy chunk rendering since 1.15 pre-release 2.
  • MC-173339 – Comparators lit base texture is incorrect.
  • MC-203155 – Enchanting table GUI uses old lapis texture.
  • MC-225949 – Parity issue: Different Bedrock and Java sign items textures.
  • MC-226313 – Lava can generate floating in caves.
  • MC-227398 – Misplaced pixel on cave vines texture.
  • MC-230302 – Glow item frame item texture is missing two pixels.

From the 1.18 development versions

  • MC-236620 – Nether biomes don't generate correctly.
  • MC-236650 – Minecraft in 1.18 has 248 seeds instead of 264 seeds.
  • MC-236767 – Axolotls are extremely rare in lush caves.
  • MC-237330 – Worlds created with seed "REDApRES" (0) crash when trying to load new 1.18 mountain biomes: java.lang.NullPointerException: Cannot invoke "dfw.a(double, double, double)" because "this.a" is null.
  • MC-237457 – Snowy slopes biome no longer generates stone cliff feature from experimental snapshots.
  • MC-238003 – Stone in jagged peaks is always covered by snow blocks.

From the previous development version

  • MC-238561 – Axolotls aren't able to spawn at all in lush caves.
  • MC-238661 – InhabitedTime value/local difficulty doesn't increase.

Videos

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Videos made by slicedlime:

Trivia

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  • This snapshot's cover screenshot was taken at seed ddnqavbk at coordinates X=1861 Y=170 Z=2678. It generates most accurately in snapshot 21w40a.[3]

References

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Navigation

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