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world compatibility

This mod will allow you to run your Minecraft 26.1+ worlds on earlier versions like 1.21.4.

File Details
DownloadInstall

world-compatibility 1.0.jar

Byretrongerr
  • B
  • Mar 26, 2026
  • 11.74 KB
  • 17
  • 1.21.4
  • Fabric

File Name

world-compatibility 1.0.jar

Supported Versions

  • 1.21.4

Curse Maven Snippet

Fabric

modImplementation "curse.maven:world-compatibility-1496375:7819108"
Curse Maven does not yet support mods that have disabled 3rd party sharing

Learn more about Curse Maven

The mod is still in beta, so I recommend making backup copies of your worlds, although I didn't have any problems transferring worlds.