v0.40.0

API Changes

• Connection.{Send,Receive}Message was renamed to {Send,Receive}Datagram: #4116
• Closing a Listener created from a Transport doesn't close already established QUIC connections: #4072
• http3: the ResponseWriter now automatically discards the response body for HEAD requests: #4115

Other Changes / Fixes

• When using Dial (not DialEarly) now doesn't perform 0-RTT handshake, even if the session ticket allows 0-RTT: #4125
• ClientHellos offering TLS versions older than 1.3 are now reject (when using Go 1.20): #4130
• EPERM sendmsg errors (see golang/go#63322) are now automatically caught: #4111
• Sending CONNECTION_REFUSED now doesn't spawn a new Go routine: #4091
• Sending Retry packets now doesn't spawn a new Go routine: #4092

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Is your project / company relying on quic-go? Please consider funding the project. Any support is highly appreciated!

Changelog

• simplify sending of INVALID_TOKEN errors by @marten-seemann in #4090
• don't spawn a new Go routine to send a CONNECTION_REFUSED packet by @marten-seemann in #4091
• don't spawn a new Go routine to send a Retry packet by @marten-seemann in #4092
• README: add qlog to list of supported RFCs, add an example by @marten-seemann in #4102
• fix IPv4 ECN control message length on FreeBSD by @marten-seemann in #4110
• catch EPERM sendmsg errors for the very first packet on Linux by @marten-seemann in #4111
• use new gomock feature to generate type-safe methods in mocks by @marten-seemann in #4057
• http3: discard body from responses to HEAD requests by @Glonee in #4115
• fix logging of connection IDs in tracer test by @marten-seemann in #4118
• ci: create separate artifact archives per workflow run by @marten-seemann in #4121
• ci: use bash on all platforms by @marten-seemann in #4122
• rename Connection.{Send,Receive}Message to {Send,Receive}Datagram by @marten-seemann in #4116
• fix IPv4 ECN control message length on Linux by @marten-seemann in #4127
• use typed atomics in integration tests by @marten-seemann in #4120
• ci: run linter on all supported Go versions by @marten-seemann in #4126
• never allow 0-RTT when using Dial, even if the session ticket allows it by @marten-seemann in #4125
• reject ClientHellos that offer TLS versions older than 1.3 (for Go 1.20) by @marten-seemann in #4130
• handshake: clone the tls.Config returned by GetConfigForClient by @marten-seemann in #4133
• handshake: set MinVersion on the Config returned by GetConfigForClient by @marten-seemann in #4134
• don't close established connections on Listener.Close, when using a Transport by @marten-seemann in #4072
• README: link to webtransport-go repo by @marten-seemann in #4117
• fix race condition in multiplex integration test by @marten-seemann in #4136
• document what happens to established connections on Listener.Close by @marten-seemann in #4138

Full Changelog: v0.39.0...v0.40.0