| ⇢ | A | Locale added |
| ⇢ | C | Locale::detectLanguage() added | |
| ⇢ | A | Locale::__construct() added | |
| ⇢ | A | Locale::getLocaleByLanguage() added | |
| ⇢ | A | Locale::factory() added | |
| ⇢ | A | Locale::isLanguageSupported() added | |
| ⇢ | A | Locale::getDefaultLanguage() added | |
| ⇢ | A | LanguageRouteListener::__construct() added | |
| C | ↗ | A | LanguageRouteListener::detectLanguage() improved |
| A | ↛ | LanguageRouteListener::getDefaultLanguage() removed | |
| A | ↛ | LanguageRouteListener::isSupportedLanguage() removed | |
| A | ↛ | LanguageRouteListener::setSupportedLanguages() removed |