- Option to use a callable for `cors_allowed_origins` [264](https://github.com/miguelgrinberg/python-engineio/issues/264) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/60e8e553e1fc64a5b0dbb846a86c5c0698101a9e))
- Close aiohttp session when disconnecting [272](https://github.com/miguelgrinberg/python-engineio/issues/272) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/a9fb317c29d93b98a729df800f124b6b923fc82c))
- Remove 3.6 and pypy-3.6 builds, add 3.10 and pypy-3.8 ([commit](https://github.com/miguelgrinberg/python-engineio/commit/06480be268852ffc96793ef52213ad598b85fa69))