grandline-26.2-update4.jar is a release file of the Minecraft mod The Two Piece for Fabric, made for Minecraft 26.2. It was published on October 13, 2026 and is 18.6 MB in size. For the full description, screenshots and every other version, visit the The Two Piece mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.