Sourced from github.com/quic-go/quic-go's releases.

v0.53.0

This release introduces a massive overhaul of the quic-go API. See this blog post for more details about the motivation. Most users will need to make some changes when upgrading to this version.

• The Connection interface was removed in favor of a Conn struct (#5195).
• The ReceiveStream, SendStream and Stream interfaces were replaced with structs of the same name (#5149, #5172, #5173, #5214).

In most cases, migrating downstream code should be fairly straightforward. For example, a method that used to accept a quic.Connection as a parameter now needs to accept a *quic.Conn, and a function handling a quic.Stream now needs to handle a *quic.Stream. Of course, consumers of quic-go are free to define their own interfaces.

Similarly, on the HTTP/3 layer:

• The Connection interface was replaced with a Conn struct (#5204).
• The RequestStream interface was converted to a struct (#5153, #5216).
• The Stream interface was converted to a struct (#5154).

We expect that most HTTP/3 users won't need to adjust their code, if they use the package to run an HTTP/3 server and dial HTTP/3 connection. More advanced use cases, such as WebTransport and the various MASQUE protocols, will require updates. We have already released new versions of webtransport-go and masque-go to support these changes.

Other Breaking Changes

• http3: the deprecated SingleDestinationRoundTripper was removed (#5217)

Notable Fixes and Improvements

• fix Goroutine leak when receiving a Version Negotiation packets race with dial context cancellation (#5203)
• drain the server accept queue when closing the transport (#5237), thanks to @​sukunrt
• fix a race condition when closing transport (#5220), thanks to @​sukunrt
• quicvarint: speed up parsing of 1, 2 and 4-byte varints (~12.5% for 1 and 2 bytes, ~1% for 4 bytes) (#5229), thanks to @​jannis-seemann
• http3: expose ClientConn.Context, CloseWithError and Conn: #5219
• http3: RequestStream could be misused in many different ways, that's why we tightened the error checks (#5231)

Behind The Scenes

We've completed the migration of the entire test suite away from Ginkgo (#3652) and towards standard Go tests (#5084, #5150, #5151, #5193, #5194, #5196, #5198). This was a major undertaking, spanning roughly 9 months and resulting in a complete rewrite of quic-go's test suite (> 40,000 lines of code!). Users will now benefit from a significantly slimmed-down dependency tree when upgrading.

Changelog

• http3: migrate the stream tests away from Ginkgo by @​marten-seemann in quic-go/quic-go#5150
• http3: migrate the state tracking stream tests away from Ginkgo by @​marten-seemann in quic-go/quic-go#5151
• implement parsing and writing of RESET_STREAM_AT frames by @​marten-seemann in quic-go/quic-go#5155
• wire: add support for the reset_stream_at transport parameter by @​marten-seemann in quic-go/quic-go#5158
• qlog: add support for reset_stream_at frame and transport parameter by @​marten-seemann in quic-go/quic-go#5160
• http3: convert RequestStream from an interface to a struct by @​marten-seemann in quic-go/quic-go#5153
• http3: convert Stream from an interface to a struct by @​marten-seemann in quic-go/quic-go#5154
• http3: simplify HTTP datagram handling by @​marten-seemann in quic-go/quic-go#5156
• http3: use actual QUIC connection and stream in server tests by @​marten-seemann in quic-go/quic-go#5161
• http3: use actual QUIC connection and stream in client tests by @​marten-seemann in quic-go/quic-go#5162
• http3: use actual QUIC connection and stream in conn tests by @​marten-seemann in quic-go/quic-go#5163

... (truncated)

• b94fc4d quicvarint: speed up parsing of 1, 2 and 4 byte varints (#5229)
• e629a12 drain server accept queue when the transport is closed (#5237)
• cf97a0a fix deadlock when closing the Transport (#5220)
• 92aa7b4 handshake: store key update interval in an atomic (#5234)
• 4bc9dfc improve documentation for the various error types (#5233)
• b9d934f http3: tighten checks for incorrect use of RequestStream (#5231)
• 7d5e057 http3: avoid reinitilising the frame parser on the stream (#5232)
• f27b056 http3: remove deprecated RoundTripper (#5230)
• 66e2539 http3: explicitly expose all method on the RequestStream (#5216)
• f16ffc6 http3: add ClientConn.Context, CloseWithError and Conn (#5219)
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