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diff --git a/README.rst b/README.rst index 5be9eabdf3..d090ad86a2 100644 --- a/README.rst +++ b/README.rst @@ -245,6 +245,25 @@ Setting up a TURN server For reliable VoIP calls to be routed via this homeserver, you MUST configure a TURN server. See `<docs/turn-howto.rst>`_ for details. +IPv6 +---- + +As of Synapse 0.19 we finally support IPv6, many thanks to @kyrias and @glyph +for providing PR #1696. + +However, for federation to work on hosts with IPv6 DNS servers you **must** +be running Twisted 17.1.0 or later - see https://github.com/matrix-org/synapse/issues/1002 +for details. We can't make Synapse depend on Twisted 17.1 by default +yet as it will break most older distributions (see https://github.com/matrix-org/synapse/pull/1909) +so if you are using operating system dependencies you'll have to install your +own Twisted 17.1 package via pip or backports etc. + +If you're running in a virtualenv then pip should have installed the newest +Twisted automatically, but if your virtualenv is old you will need to manually +upgrade to a newer Twisted dependency via: + + pip install Twisted>=17.1.0 + Running Synapse =============== |