Major features

- Support 1.21.1 (#2877)
- Support Sponge Schematic v3 (#2776)

Fixes

- fix: do not StackOverflow when getting a section in FULL after awkward trim (#2863)
- fix: correctly resolve file if extension is given (#2857)
- fix: improve FAWE stream history (#2844)
- fix: improve schematic format selection (#2838)
- fix: improve SchemGen, allow null mask (reordered command args) (#2817)
- fix: use new index calculations for BlockVectorSet remove (#2842)
- Fix parseFromInput Method for Masks and Patterns When Called via API (#2839)
- fix: clone polyhedral region last triangle too if present (#2807)
- fix: switch to 3d where 2d biomes still remain in a couple of places (#2816)
- Use isMovementBlocker() instead of isSolid() in heightmap calculation (#2822)
- fix: override min/max pos methods from SimpleClipboard (#2803)

✨ Features

- feat: improve fawe limits @dordsor21 (#2773)
- feat: add litematica error when failing to load schematic (#2850)

Changes

- Add worldedit.tool.none to fawe.permpack.basic (#2827)

✅ Chore

- chore: deprecate FaweApi#load for clipboards as it does not allow closing (#2852)
- Compile with target java 21, remove unsupported MC versions (#2836)