Summary
- cleaner error message for invalid slots, fixes #2042 (commit: 5c440db) (details)
- add tag world.gamerule[...] (commit: 1a688cc) (details)
- Add Exp Bottle Breaks Event (#2044) (commit: faa4aac) (details)
- fix 1.12 compat (commit: 8ae8f4b) (details)