It's time for another Twisted release! There are two major announcements for this release: - *Python 2.7 support has been dropped*. Twisted 21.2.0 supports Python 3.5 and higher only - *This will be the last Twisted release to support Python 3.5*. Twisted 21.2.0rc1 brings the following: - twist dns --pyzone now works on Python 3 - twisted.web.twcgi now works on Python 3 - all tests pass on all platforms on Python 3.8, including asyncio tests on Windows - tests pass on Python 3.9 (thanks to Michał Górny) - type hints, as specified in PEP 484, are now used in functions throughout the codebase - mypy (static type checker) is now run over the codebase during CI to help detect problems, and help improve the use of types - code in is now formatted with Black (thanks to Tom Most) - many CI and automation improvements (thanks to Adi Roiban and Thomas Grainger) - many more fixes (225 tickets closed!) You can install by running this command: python -m pip install Twisted==21.2.0rc1 The full tarball is available at: https://pypi.org/project/Twisted/21.2.0rc1/#files The full NEWS file with all changes is at: https://github.com/twisted/twisted/blob/twisted-21.2.0rc1/NEWS.rst Please test it, and let me know how your applications fare, good or bad! If nothing comes up, 21.2 will release very soon. -- Craig