copypaster

Minecraft 1.21.11 · Java 21 · Fabric Loader 0.19.3

First Modrinth release for the 1.21.x audience. Server and copying clients must use this JAR (not the 26.2 build).

Added

• Multi-version support — dedicated 1.21.11 build alongside 26.2 (Stonecutter).
• All 3.2.x features on this line: [ / ] copy, paste rotate/mirror/noair, persistent undo, /pasteselect, post-paste transforms, LuckPerms nodes, optional web UI.

Install

• copy_paster-3.3.0+1.21.11.jar on server + client (for keybind copy).
• Bind [ and ] under Options → Controls → Miscellaneous.
• Requires Java 21+.

Saved structure .nbt files work across 1.21.11 and 26.2 builds.