DakuTree /
manga-tracker
| ⇢ | A | Migration_Tracker_Add_Active added |
| ⇢ | A | Migration_Tracker_Add_Active::up() added | |
| ⇢ | A | Migration_Tracker_Add_Active::__construct() added | |
| ⇢ | A | Migration_Tracker_Add_Active::down() added | |
| B | ↘ | C | Tracker_Model::updateTracker() got worse |
