| ⇢ | A | FrmInboxController added |
| ⇢ | A | FrmInboxController::add_tracking_request() added | |
| ⇢ | A | FrmInboxController::dismiss_message() added | |
| ⇢ | A | FrmInbox::dismiss() added | |
| ⇢ | A | FrmInboxController::inbox() added | |
| ⇢ | A | FrmInboxController::menu() added | |
| ⇢ | A | FrmInboxController::get_notice_count() added | |
| A | ↘ | B | FrmHooksController::load_ajax_hooks() got worse |
| B | ↘ | C | FrmInbox::clean_messages() got worse |
| A | ↛ | FrmSettingsController::inbox() removed |