- Update to 20.4.2:
* new: XBR - adjust eip712 signature for channel close
* new: XBR - adjustments after xbr refactoring (#1357)
* new: XBR - add channel open/close eip712 types to AB (#1358)
* new: WAMP-cryptosign - make channel_id_type optional in transport_channel_id()
* new: expose new XBR top-level contracts
* fix: bump dependencies versions for attrs and identity (#1346)
* fix: FrontendProxyProtocol object has no attribute 'write' (#1339)
* fix: WAMP-cryptosign authid is not mandatory; reduce log noise (#1340)
* fix: confusion between paying and payment channel (#1337)
* new: forward explicitly set app level errors from ApplicationRunner.run() (#1336)
* fix: simple typo: hookinh -> hooking (#1333)
* new: update for xbr v20.3.1
* fix: for #1327 - cancel Auto Ping Timeout (#1328)
* new: helper function to create a configured Web3 blockchain connection (#1329)
* fix: add AuthAnonymous to __all__ (#1303)
* fix: CI building (caching?) issue "corrupt ZIP file"
* fix: update docker image build scripts and add ARM64/PyPy
* fix: use :func:`txaio.time_ns` and drop deprecated :func:`autobahn.util.time_ns`
* fix: update project README and docs for supported python versions (#1296)
* fix: WebSocket protocol instances now raise autobahn.exception.Disconnected when sending on a closed connection (#1002)
* fix: version conflict in xbr downstream application dependency (crossbarfx) (#1295)
* fix: add python_requires>=3.5 to prevent installation on python 2 (#1293)
* fix: first part of cleaning up code, dropping Python 2 support (#1282).
* fix: add docs for parameters to component.py (#1276)
* new: statistics tracking on WAMP serializers :class:`autobahn.wamp.serializer.Serializer`
* new: helper :func:`autobahn.util.time_ns`
- No longer build for Python 2
- Update BuildRequires.