Due to circumstances at the time of development, this build does not work when WorldEdit is also installed, e. g. for singleplayer. Future versions have fixed this issue.

What's Changed

• 1.21.1 by @zml2008 in https://github.com/EngineHub/WorldEditCUI/pull/122

Full Changelog: https://github.com/EngineHub/WorldEditCUI/compare/1.20.6+01...1.21.1+01