| ⇢ | A | TcaLanguage added | |
| C | ↘ | F | TcaMigration got worse |
| ⇢ | F | TcaLanguage::addData() added | |
| ⇢ | B | TcaSystemLanguageCollector::populateAvailableSiteL... added | |
| ⇢ | B | TcaMigration::migrateSpecialLanguagesToTcaTypeLang... added | |
| ⇢ | A | TcaMigration::migrateLanguageFieldToTcaTypeLanguag... added | |
| ⇢ | A | DataHandler::checkValueForLanguage() added | |
| ⇢ | A | TcaLanguage::getAllSites() added | |
| ⇢ | A | TcaLanguage::addInvalidItem() added | |
| ⇢ | A | TcaSystemLanguageCollector::getBackendUser() added | |
| ⇢ | A | TcaSystemLanguageCollector::getAllSites() added | |
| A | ↛ | AbstractItemProvider::getAllSites() removed |