LCA provides an interface for addons to register their own achievement categories into the default achievement UI.
- Achievement tracking
- 'Recent achievements' integration
- Achievement announcements to guild members with the library
- (Optional) Chat message announcements to guild members without the library
- Full support of achievement comparisons for custom categories
- Full chat linking support of achievements over battle.net
- Tool-tip support for achievements not known to the person clicking the link using add-on messaging