twisted.python.failure.Failure tracebacks now capture module information, improving compatibility with the Raven Sentry client. (#7796)
twisted.python.failure.Failure objects are now compatible with dis.distb, improving compatibility with post-mortem debuggers. (#9599)
Bugfixes
Correct type annotations for IReactorSSL.listenSSL. (#10274)
twisted.internet.test.test_glibbase.GlibReactorBaseTests now passes. (#10317)
Conch
Features
- twisted.conch.ssh now supports using RSA keys with SHA-2 signatures (RFC 8332) when acting as a server. The rsa-sha2-512 and rsa-sha2-256 public key signature algorithms are automatically preferred over ssh-rsa if the client advertises support for them; the actual public keys do not need to change. ([#9765](https://github.com/twisted/twisted/issues/9765))
- twisted.conch.ssh now has an alternative Ed25519 implementation using PyNaCl, in order to support platforms that lack OpenSSL >= 1.1.1b. The new "conch_nacl" extra has the necessary dependency. ([#10208](https://github.com/twisted/twisted/issues/10208))
Bugfixes
twisted.conch.ssh.session.SSHSession now cleans up both the client transport and the ISession adapter if both are set. Previously, a subsystem's connectionLost method was not called if a environment variable passing request was also sent on the same channel. (#10308)
- Twisted is now compatible with h2 4.x.x. ([#10182](https://github.com/twisted/twisted/issues/10182))
Bugfixes
twisted.web.http had several several defects in HTTP request parsing that could permit HTTP request smuggling. It now disallows signed Content-Length headers, forbids illegal characters in chunked extensions, forbids 0x prefix to chunk lengths, and only strips spaces and horizontal tab characters from header values. These changes address CVE-2022-24801 and GHSA-c2jg-hw38-jrqq. (#10323)
twisted.internet.gireactor.PortableGIReactor.simulate and twisted.internet.gtk2reactor.PortableGtkReactor.simulate no longer raises TypeError when there are no delayed called. This was a regression introduced with the migration to Python 3 in which the builtin min function no longer accepts None as an argument. (#9660)
twisted.conch.ssh.transport.SSHTransportBase now disconnects the remote peer if the
SSH version string is not sent in the first 4096 bytes. (#10284, CVE-2022-21716,
GHSA-rv6r-3f5q-9rgx)
Improved Documentation
Add type annotations for twisted.web.http.Request.getHeader. (#10270)
Deprecations and Removals
Support for Python 3.6, which is EoL as of 2021-09-04, has been deprecated. (#10303)
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dependabot[bot]
commented
2 years ago
Bumps twisted from 16.7.0rc2 to 22.4.0rc1.
Release notes
Sourced from twisted's releases.
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