- Fixed MySQL database schema bug where only one setting per player could be stored (wrong primary key)
- Fixed default settings not being saved to database for existing players
- Fixed database tables being created asynchronously causing race conditions on startup
- Added Caffeine cache for player data management
- Added FoliaManager for proper Folia, Paper, and Spigot scheduler
- Added glass pane filler items in settings GUI
- Added enchant glow effect on enabled settings for better visibility
- Added per-setting permission support in config
- Added console support for the reload command
- Replaced GUI title comparison with InventoryHolder pattern for reliable GUI detection
- Removed duplicated save logic between sync and async methods
- Optimized HikariCP connection pool configuration
- Optimized SQLite to use single connection pool (single-writer)