Blacklist Mode: Choose between whitelist (only pick up listed items) or blacklist (pick up everything EXCEPT listed items)
Material Groups: Add entire categories with one command (/lf add #ores, /lf add #valuable, etc.)
Preset System: Save and load filter configurations with built-in and custom presets
Enhanced GUI: Beautiful interface with colored borders, icons, and descriptive tooltips
Config Customization: Edit material groups and presets directly in config.yml

For Server Owners:

- Add server-wide material groups and presets without coding
- Reload configuration changes with /lf reload without server restart
- Define default settings for new players
- Enhanced permissions system with admin controls

For Players:

- Navigate filters easily with the intuitive GUI
- Create and save personal filter presets
- Use material groups to quickly add related items
- Switch between whitelist and blacklist modes with one click
- More detailed help and command assistance

Technical Improvements:

- Enhanced error handling and user feedback
- Persistent player data storage
- More efficient event processing