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Release Java Edition Bug-fix update Patch of 1.2.1

Minecraft 1.2.4

Released on 22 March 2012, Minecraft Java Edition 1.2.4 is an update to 1.2 focused on chat and bug fixes. It adds chat history and much better chat editing, separate planks for each wood type and new decorative sandstone blocks, and fixes a long list of bugs, including crashes in worlds converted to the Anvil format.

Released 22 Mar 2012
Are my mods ready?

Key takeaways

  • Chat: chat history, much better editing, clickable links with a warning screen, and Tab to complete player names.
  • New blocks: Birch, Spruce and Jungle Planks become separate blocks, alongside two decorative sandstone variants, today's Chiseled Sandstone and Cut Sandstone.
  • Bug fixes: crashes in converted Anvil worlds, a painting duplication exploit and block transmuting with pistons are among the fixes.

What changed

InterfaceChat gets a history, copy and paste, cursor movement with the arrow keys and Tab completion of player names.
BlocksEach wood type gets its own planks, and Chiseled Sandstone and Cut Sandstone are added.
MobsCats now sit on nearby Chests, lit Furnaces and Beds.
InterfaceA minimal debug screen opens with Shift+F3, and menu screens no longer use 100% of the CPU.
FixesConverted Anvil worlds no longer crash when there are blocks at the maximum height.
FixesFixed a duplication exploit with Paintings, Jungle Saplings that turned other saplings into jungle ones, and block transmuting with pistons.
FixesMinecarts with Chest, Furnaces and Dispensers no longer drop enchanted items.

Mods & loaders for 1.2.4

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

LoaderMods with a 1.2.4 fileLatest build
Forgenone yet2.0.0.68
Shader loadersShaders with a 1.2.4 fileLatest build
Iris3·
OptiFine2·
Popular mods OptiFine · Not yet
1 mods in our catalog have a 1.2.4 file →

8 texture packs and 0 maps in our catalog support 1.2.4.

How to play 1.2.4

  1. 01

    Open the Minecraft Launcher and select Minecraft: Java Edition.

  2. 02

    Go to Installations, create a new installation and choose version 1.2.4.

  3. 03

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

Minecraft 1.2.4 FAQ

When was Minecraft 1.2.4 released?

On 22 March 2012, three weeks after 1.2.1. The next and final 1.2 version, 1.2.5, followed on 4 April 2012.

What does Minecraft 1.2.4 change?

It improves chat, adds separate planks for every wood type and two decorative sandstone blocks, makes cats sit on Chests, Furnaces and Beds, and fixes about 25 bugs.

Should I update from 1.2.3 to 1.2.4?

Yes. 1.2.4 fixes crashes, exploits and multiplayer bugs. 1.2.5 went further two weeks later and is the final 1.2 release.