1. Handle invalid appdata file. #370
2. Add clear unfavorited history functionality. #372
3. Improve performance for clearing history.
4. Improve reordering comics in a favorite folder. Close #374
5. Improve performance of deleting favorites, coping favorites, moving favorites, and deleting downloads. #365
6. Add functionality to delete specific comic chapters. #368
7. Fix dialog content overflow. #363
8. Reduce maximum length for comic directory names to improve consistency. #362
9. Update selectAll method to handle search mode for selecting comics. #359
10. Fixed an issue where comic counts would become invalid after renaming a favorite folder. #357