| ⇢ | A | ajax added | |
| B | ↗ | A | admin_controller improved |
| C | ↘ | F | category got worse |
| ⇢ | D | ajax::construct_ajax() added | |
| ⇢ | A | category::set_order() added | |
| ⇢ | A | main::ajax_list_cat() added | |
| ⇢ | A | category::move_cat() added | |
| ⇢ | A | ajax::__construct() added | |
| A | ↛ | admin_controller::set_order() removed | |
| A | ↛ | admin_controller::move_cat() removed |