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This is a list of Java Edition 1.18.1 development versions.

1.18.1 Pre-release 1

1.18.1 Pre-release 1 (known as 1.18.1-pre1 in the launcher) is the first and only pre-release for Java Edition 1.18.1, released on December 3, 2021,[1] which makes changes to the fog and fixes bugs.

Changes

General

Fog
  • World fog now starts further 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

4 issues fixed
From released versions before 1.18
  • 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.
Other
  • Fixed an issue that would cause players on low-bandwidth connections to get timeout errors when connecting to a server.[1]

1.18.1 Release Candidate 1

1.18.1 Release Candidate 1 (known as 1.18.1-rc1 in the launcher) is the first release candidate for Java Edition 1.18.1, released on December 7, 2021,[2] which fixes some bugs.

Fixes

3 issues fixed
From released versions before 1.18
  • MC-152198 – Actual render distance is 2 chunks lower than render distance setting.
From 1.18
  • MC-243796 – Random non fatal exceptions in console: Failed to store chunk ConcurrentModificationException.
From the previous development version
  • MC-244190 – Entity fog doesn't match the fog of blocks around them.

1.18.1 Release Candidate 2

1.18.1 Release Candidate 2 (known as 1.18.1-rc2 in the launcher) is the second release candidate for Java Edition 1.18.1, released on December 8, 2021,[3] which fixes a bug.

Fixes

1 issue fixed
From the previous development version
  • MC-245010 – Sometimes certain chunks will never load.

1.18.1 Release Candidate 3

1.18.1 Release Candidate 3 (known as 1.18.1-rc3 in the launcher) is the third and final release candidate for Java Edition 1.18.1, released on December 10, 2021,[4] which fixes a critical security issue.

Fixes

1 issue fixed
Other
  • 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 formatted as ${jndi:ldap://<url>}, due to an upstream vulnerability in log4j2.[4][5][6]

Notes and references

  1. a b "Minecraft 1.18.1 Pre-Release 1" – Minecraft.net, December 3, 2021
  2. "Minecraft 1.18.1 Release Candidate 1" – Minecraft.net, December 7, 2021
  3. "Minecraft 1.18.1 Release Candidate 2" – Minecraft.net, December 8, 2021
  4. a b "Minecraft 1.18.1 Release Candidate 3" – Minecraft.net, December 10, 2021
  5. "Important Message: Security vulnerability in Java Edition" – Minecraft.net, December 10, 2021
  6. https://help.aliyun.com/noticelist/articleid/1060971232.html
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