| ⇢ | A | Migration_Tracker_Add_MAL_id added | |
| A | ↘ | B | TrackerInline got worse |
| B | ↘ | C | Tracker_List_Model got worse |
| ⇢ | C | Tracker_List_Model::getMalID() added | |
| ⇢ | B | AdminPanel::_update_mal_id() added | |
| ⇢ | B | TrackerInline::set_mal_id() added | |
| ⇢ | A | Migration_Tracker_Add_MAL_id::up() added | |
| ⇢ | A | Migration_Tracker_Add_MAL_id::down() added | |
| ⇢ | A | History_Model::userSetMalID() added | |
| ⇢ | A | Tracker_List_Model::setMalID() added | |
| ⇢ | A | Migration_Tracker_Add_MAL_id::__construct() added | |
| ⇢ | A | AdminPanel::convert_mal_tags() added | |
| C | ↘ | D | History_Model::userGetHistory() got worse |
| B | ↛ | Tracker_Tag_Model::getMalID() removed |