| ⇢ | A | ImageFieldMimetypesRule added |
| ⇢ | A | ImageFieldMimetypesRule::validate() added | |
| ⇢ | A | ValidationNames::removeEmptyLocalizedFileEntries() added | |
| ⇢ | A | AbstractMediaFieldRule::getSize() added | |
| ⇢ | A | ImageFieldMimetypesRule::validateMimetypes() added | |
| ⇢ | A | ImageFieldMimetypesRule::validateSlimMimetypes() added | |
| ⇢ | A | ImageFieldHandler::createNewAsset() added | |
| ⇢ | A | ValidationNames::requiredLocale() added | |
| ⇢ | A | AbstractMediaFieldHandler::newExistingAsset() added | |
| A | ↘ | B | AbstractMediaFieldHandler::mediaRequest() got worse |
| A | ↛ | ValidationNames::defaultLocale() removed |