| A | ↛ | EmitterOptions removed | |
| A | ↛ | Options removed |
| ⇢ | A | ErrorHandler::isRegistered() added | |
| A | ↛ | EmitterOptions::__construct() removed | |
| A | ↛ | Options::__construct() removed | |
| A | ↛ | EmitterOptions::create() removed | |
| A | ↛ | EmitterOptions::createDefault() removed | |
| A | ↛ | EmitterOptions::includeTrace() removed | |
| A | ↛ | Options::create() removed | |
| A | ↛ | Options::createDefault() removed | |
| A | ↛ | Options::blockingErrors() removed |