| ⇢ | A | SetLocaleEvent added | |
| C | ↗ | B | Locale improved |
| A | ↛ | LocaleEvent removed |
| ⇢ | A | SetLocaleEvent::__construct() added | |
| ⇢ | A | SetLocaleEvent::getLocale() added | |
| A | ↛ | LocaleEvent::getLocale() removed | |
| A | ↛ | LocaleEvent::__construct() removed | |
| A | ↛ | Locale::withSaveLocale() removed | |
| A | ↛ | Locale::withSessionName() removed |