| ⇢ | A | Favourites added | |
| ⇢ | A | Migration_Setup_Favourites added | |
| C | ↘ | D | Tracker_Model got worse |
| ⇢ | C | Tracker_Model::favouriteChapter() added | |
| ⇢ | B | Userscript::favourite() added | |
| ⇢ | B | Migration_Setup_Favourites::up() added | |
| ⇢ | B | Tracker_Model::getFavourites() added | |
| ⇢ | A | Favourites::index() added | |
| ⇢ | A | History_Model::userAddFavourite() added | |
| ⇢ | A | History_Model::userRemoveFavourite() added | |
| ⇢ | A | Favourites::__construct() added | |
| ⇢ | A | Migration_Setup_Favourites::__construct() added | |
| ⇢ | A | Migration_Setup_Favourites::down() added | |
| B | ↘ | C | History_Model::userGetHistory() got worse |