Java Edition 1.18.1

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Minecraft 1.18.1
1.18.1 banner.jpg: Infobox image for Minecraft version 'Minecraft 1.18.1'
Java Edition 1.18.1.png: Infobox image for Minecraft version 'Minecraft 1.18.1'
Edition Java Edition
Release date December 10, 2021
Development versions
Downloads Client (.json)
Server
Obfuscation maps Client
Server
Protocol version 757
Data version 2865
Resource pack format 8
Data pack format 8
Minimum Java version Java SE 17
Other editions with a version "1.18.1":
 

1.18.1 is a minor update to Java Edition, released on December 10, 2021, which makes minor changes related to fog and fixes bugs.[1] It is compatible with 1.18 servers.

Most importantly, this version fixes a critical security vulnerability in the Log4j library of the dedicated server release that could be used to perform a remote code execution exploit. As a result, players were urged to secure their clients and servers.[2] This is the final version released in 2021.

While this wasn’t the last update to 1.18, it was the last before the development versions of 1.19 started.

Changes

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General

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Fog

  • World fog now starts farther away from the player, to make distant terrain more visible.
  • Instead of applying fog as a spherical volume, it is now applied as a cylindrical volume.

Fixes

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8 issues fixed

From released versions before 1.18

  • MC-152198 – Actual render distance is 2 chunks lower than render distance setting.
  • MC-219507 – Beacon's power reverts back to previous one on world reload.

From 1.18

  • MC-242729 – Observer activating without any updates nearby, caused by /clone.
  • MC-243216 – Chunk render distance on servers seems shorter than in 1.17.1.
  • MC-243253 – Minecraft Realms screen is loading for long time.
  • MC-243796 – Random non fatal exceptions in console: Failed to store chunk ConcurrentModificationException.

Other

  • Fixed an issue that would cause players on low-bandwidth connections to get timeout errors when connecting to a server. [3]
  • Fixed a critical security issue in which attackers are able to execute code on others' devices (RCE exploit) via in-game messaging or other methods where the game logs a certain exploitable string, due to an upstream vulnerability in log4j2. [4][2][5]

Videos

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Video made by slicedlime:

Trivia

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References

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