| ⇢ | A | ConfigForm added |
| ⇢ | A | ConfigForm::buildForm() added | |
| ⇢ | A | ConfigForm::create() added | |
| ⇢ | A | ConfigForm::submitForm() added | |
| ⇢ | A | ConfigForm::getEditableConfigNames() added | |
| ⇢ | A | ConfigForm::getFormId() added | |
| ⇢ | A | ConfigForm::__construct() added | |
| A | ↘ | B | Logger::log() got worse |