Merge remote-tracking branch 'origin/main' into main

Fix slimeblocks, add new flight checks

Exemption fixes and changes + optimizations + fix pistons

Add check/support for Elytra Fly

Merge remote-tracking branch 'origin/main' into main

Add slimeblock compatibility and change config stuff again

2.4.1 Trello Release

- Add BoatFly check
- Remove MultiVersionCheck stuff
- Fix elytra bugs

Merge remote-tracking branch 'origin/main' into main