- Fixed update checker reliability and stability
- Added advancement dependencies system (`requires`)
- Prevented advancements from being unlocked before required ones
- Enabled full progression trees for custom advancements
- Added per-world advancement conditions
- Added permission-based advancement conditions
- Reworked the advancements display GUI (`/padv gui`)
- Advancements are now correctly listed and ordered in the GUI
- Added multi-page support to the advancements GUI
- Improved validation when unlocking advancements
- Minor internal optimizations and cleanup