| D | ↘ | D | ManageMaillist_Controller got worse |
| D | ↘ | F | PersonalMessage_Controller got worse |
| D | ↘ | F | Post_Controller got worse |
| A | ↘ | B | Cache got worse |
| ⇢ | A | Cache::getVar() added | |
| ⇢ | A | Cache::enable() added | |
| ⇢ | A | Cache::setLevel() added | |
| ⇢ | A | Cache::isEnabled() added | |
| ⇢ | A | Cache::getLevel() added | |
| ⇢ | A | Cache::checkLevel() added | |
| ⇢ | A | Cache::isMiss() added | |
| ⇢ | A | Cache_Method_Abstract::isMiss() added | |
| A | ↘ | B | Cache::__construct() got worse |