Java Edition 1.21.3

1.21.3 (Bundles Of Bravery Redux) is a minor hotfix update to Java Edition, released on October 23, 2024, which fixes critical bugs related to joining Realms with resource packs and a bug related to salmon size. It is compatible with 1.21.2 servers.

Minecraft 1.21.3

Edition	Java Edition
Release date	October 23, 2024
Downloads	Client (.json) Server
Obfuscation maps	Client Server
Protocol version	768
Data version	4082
Resource pack format	42
Data pack format	57
Minimum Java version	Java SE 21
◄◄  1.21 1.21.3 ◄  1.21.2 1.21.4 ►

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Changes

Mobs

Salmon

• Any small salmon from previous versions, including 1.21.2, are upgraded to their medium variants.

Fixes

2 issues fixed

From 1.21.2

• MC-277779 – Salmon from 1.21.1 or before shrink when updating to 1.21.2.
• MC-277791 – Attempting to join a Realm with a Resource Pack enabled fails with an error.

Trivia

• 1.21.3 is the first version since 1.16.1 to not have had any development versions released.

Video

Video made by Slicedlime: