Hi all, rgd Twisted v21.2.0, thanks a lot to all involved in this release! the release, mypy, more py3, .. +1! really appreciated. now, fwiw, just wanted to let you know (sorry, too late) about a regression with https://github.com/crossbario/crossbar that actually originates from https://github.com/crossbario/autobahn-python/issues/1470 => with Twisted v20.3.0 calling twisted.internet.protocol.ProcessProtocol.getPeer raises an AttributeError with Twisted v21.2.0 calling the same method raises an NotImplementedError => this fix broke our workaround for the bug now fixed;) https://github.com/crossbario/autobahn-python/pull/1469/files and released in: https://pypi.org/project/autobahn/21.3.1/ https://pypi.org/project/crossbar/21.3.1/ Cheers, /Tobias