| ⇢ | A | Attendance added | |
| ⇢ | A | Period added | |
| ⇢ | A | ExceptionServiceProvider added |
| ⇢ | A | ExceptionServiceProvider::register() added | |
| ⇢ | A | ExceptionServiceProvider::registerWhoops() added | |
| ⇢ | A | ExceptionServiceProvider::registerPrettyWhoopsHand... added | |
| ⇢ | A | Attendance::getUrl() added | |
| ⇢ | A | Period::getUrl() added |