• IMPROVED: type hint inspection is now supported for collections and Optional (#272)
• IMPROVED: updated swagger-ui to version 3.20.5
• IMPROVED: updated ReDoc to version 2.0.0-rc.2
• DEPRECATED: quietly dropped support for the flex validator; it will still work if the library is installed, but the setup.py requirement was removed and the validator will be silently skipped if not installed (#285)