- move to the new WSGIApp class in python-socketio ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/db74fa385e9f508fff25029f2a3bfd1b86916960))
- remove misleading target keyword arg in examples ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/7463d340581bff18be09b989ab938d367e2cf408))
- Fix test client [call]back returning [732](https://github.com/miguelgrinberg/flask-socketio/issues/732) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/4b0648cb195be3f94344d9b0b7f77d9b312256d8)) (thanks **Alex Pilon**!)