Sourced from twisted's changelog.

Twisted 19.7.0 (2019-07-28)

Features

• The callable argument to twisted.internet.task.deferLater() is no longer required. (#9577)
• Twisted's minimum Cryptography requirement is now 2.5. (#9592)
• twisted.internet.utils.getProcessOutputAndValue now accepts stdinBytes to write to the child process's standard input. (#9607)
• Add new twisted.logger.capturedLogs context manager for capturing observed log events in tests. (#9617)
• twisted.internet.base.PluggableResolverMixin, which implements the pluggable resolver interfaces for easier re-use in other reactors, has been factored out of ReactorBase. (#9632)
• The PyPI page for Twisted has been enhanced to include more information and useful links. (#9648)

Bugfixes

• twisted.internet.endpoints is now importable on Windows when pywin32 is not installed. (#6032)
• twisted.conch.ssh now generates correct keys when using hmac-sha2-512 with SHA1 based KEX algorithms. (#8258)
• twisted.internet.iocpreactor.abstract.FileHandle no longer duplicates/looses outgoing data when .write() is called in rapid succession with large payloads (#9446)
• twisted.application.backoffPolicy will not fail on connection attempts > 1750 with default settings. (#9476)
• Trial on Python 3 will now properly re-raise ImportErrors that occur during the import of a module, rather than saying the module doesn't exist. (#9628)
• twisted.internet.process does not fail on import when the process has more than 1024 file descriptors opened. (#9636)
• Add the stackLevel keyword argument to twisted.logger.STDLibLogObserver._findCaller to fix an incompatibility with Python 3.8. (#9668)

Improved Documentation

• Fix the incorrect docstring for twisted.python.components.Componentized.addComponent which stated that the function returned a list of interfaces, even though the function doesn't actually do so. (#9637)

Deprecations and Removals

• twisted.test.proto_helpers has moved to twisted.internet.testing. twisted.test.proto_helpers has been deprecated. (#6435)
• twisted.protocols.mice, deprecated since Twisted 16.0, has been removed. (#9602)
• twisted.conch.insults.client and twisted.conch.insults.colors, deprecated since Twisted 10.1, have been removed. (#9603)
• The version attribute of Twisted submodules that were previously packaged separately, deprecated since Twisted 16.0, has been removed. (#9604)
• Python 3.4 is no longer supported. (#9613)
• twisted.python.compat.OrderedDict, an alias for collections.OrderedDict and deprecated since Twisted 15.5, has been removed. (#9639)

Misc

• #9217, #9445, #9454, #9605, #9614, #9615, #9619, #9625, #9633, #9640, #9674

Conch

... (truncated)

• f2ff3f9 Fix something Incremental missed
• 04d865d Towncrier for 19.7.0
• 0f3e8cd Incremental to 19.7.0
• 4d61c62 Move some miscategorised newsfragments
• 7d88fca Revert "towncrier for 19.7.0rc1"
• 17084ea towncrier for 19.7.0rc1
• 6e8cb44 incremental to 19.7.0
• ab6156f Merge pull request #1143 from twisted/9628-trial3-importerror
• e0b696f Merge branch 'trunk' into 9628-trial3-importerror
• 5b203b2 Merge ryban:8258-ryban-hmac-sha2-512-fix: Fix SSH not generating correct keys...
• Additional commits viewable in compare view

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