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Release Java Edition Bug-fix update Patch of 1.13 Update Aquatic

Minecraft 1.13.1

Released on 22 August 2018, Minecraft Java Edition 1.13.1 is the first bug-fix update for Update Aquatic (1.13). It improves performance, fixes 154 bugs listed by Mojang, and adds dead coral and the /forceload command.

Released 22 Aug 2018 5 new blocks & items
See everything new Are my mods ready?

Key takeaways

  • Bug fixes: 154 fixes, including duplication and data loss at chunk boundaries, a multiplayer kick exploit and crashes when upgrading worlds.
  • Performance: optimisations, plus fixes for lag with large numbers of entities, which was worse in 1.13 than in 1.12.2.
  • Small changes: dead coral, a 5% chance of Bone Meal from fish, Squid only in rivers and oceans, and force-loaded chunks.

Everything new in 1.13.1

compared with 1.13 · from the game files
5Blocks & items

Dead Brain Coral × 5

Dead Brain CoralDead Brain CoralDead Bubble CoralDead Bubble CoralDead Fire CoralDead Fire CoralDead Horn CoralDead Horn CoralDead Tube CoralDead Tube Coral

What changed

TechnicalForce-loaded chunks arrive, with the /forceload command to turn force-loading on and off.
MobsFish have a 5% chance to drop Bone Meal when killed, and Squid now only spawn in rivers and oceans.
BlocksDead coral was added.
FixesMC-119971: duplication, deletion and data corruption at chunk boundaries, caused by loading outdated chunks.
ServersMC-134716: a multiplayer exploit that allowed players to be kicked.
WorldsWorlds from 1.12.2 that failed to transfer (MC-133995) and old Trapped Chests that stopped powering redstone (MC-135893) are fixed.
RedstoneSeveral Observer and Piston bugs from 1.13 are fixed, such as Observers detecting moved blocks late (MC-134297).

Source: official Java Edition 1.13.1 changelog

Mods & loaders for 1.13.1

Mods must be rebuilt for each version. Counts from the files published on Modrinth and CurseForge, in our catalog.

LoaderMods with a 1.13.1 fileLatest build
Fabric1·
Forge2·
Shader loadersShaders with a 1.13.1 fileLatest build
Iris47·
OptiFine44·
Popular mods Just Enough Items (JEI) · Not yetOptiFine · Available
4 mods in our catalog have a 1.13.1 file →

70 texture packs and 29 maps in our catalog support 1.13.1.

How to play 1.13.1

  1. 01

    Open the Minecraft Launcher and select Minecraft: Java Edition.

  2. 02

    Go to Installations, create a new installation and choose version 1.13.1.

  3. 03

    Back up your worlds before opening them in a new version.

From first snapshot to release

5 snapshots, 2 pre-releases and 0 release candidates over 28 days.

  1. 18w30a25 Jul 2018
  2. 18w31a01 Aug 2018
  3. 18w33a15 Aug 2018
  4. 1.13.1-pre116 Aug 2018
  5. 1.13.122 Aug 2018
All 7 test builds →

Minecraft 1.13.1 FAQ

When was Minecraft 1.13.1 released?

On 22 August 2018, five weeks after 1.13 Update Aquatic (18 July 2018). 1.13.2 followed on 22 October 2018.

What does Minecraft 1.13.1 fix?

154 bugs in Mojang's changelog, including duplication and data loss at chunk boundaries, a multiplayer kick exploit, world upgrade crashes and redstone bugs with Observers and Pistons. It also improves performance.

Does 1.13.1 add content?

A little: dead coral, the /forceload command and a 5% chance of Bone Meal from fish. Squid now spawn only in rivers and oceans.

Should I update from 1.13 to 1.13.1?

Yes, it fixes an exploit and several world upgrade bugs. Note that 1.13.2 came later with more fixes, so it is the better choice today.