curve25519-sha256key exchange algorithm support in Conch.
- "openssh-key-v1" key format support in Conch.
- Security fixes to twisted.web, including preventing request smuggling attacks and rejecting malformed headers. CVE-2020-10108 and CVE-2020-10109 were assigned for these issues, see the NEWS file for full details.
twist dns --secondarynow works on Python 3.
- The deprecation of
- ...and various other fixes, with 28 tickets closed in total.
You can find the downloads at <https://pypi.org/project/Twisted> (or alternatively <https://twistedmatrix.com/trac/wiki/Downloads>). The NEWS file is also available at <https://github.com/twisted/twisted/blob/twisted-20.3.0/NEWS.rst>.
Many thanks to everyone who had a part in this release — the supporters of the Twisted Software Foundation, the developers who contributed code as well as documentation, and all the people building great things with Twisted!