| ⇢ | A | m12_banner_dir added | |
| C | ↘ | D | admin_controller got worse |
| ⇢ | B | admin_controller::process_banner_upload() added | |
| ⇢ | A | m12_banner_dir::depends_on() added | |
| ⇢ | A | m12_banner_dir::update_data() added | |
| ⇢ | A | m12_banner_dir::effectively_installed() added | |
| ⇢ | A | m12_banner_dir::create_banner_dir() added | |
| B | ↘ | C | admin_controller::action_edit() got worse |
| B | ↘ | C | admin_controller::action_add() got worse |