MsQuic v2.1.0

[nibanks]

Signed Windows binaries and NuGet packages are available. Signed Linux package are also available.

Official (v1) RFC, v2 (WG-LC) and draft-29 are supported by this release.

What's Changed

With 300+ commits since v2.0, it's hard to list out everything that's changed, but below you will find some of the important changes in this release.

• Various bug fixes (Fix possible infinite loop in priority stream scheduling #2451, Discard Initial Packet Keys on Handshake Send #2608, Don't Double Count Connection Packet Drops #2612, Fix Builder->TotalDatagramsLength being incorrectly calculated #2695, Fix PMTU packets logging as a 0 length send in kernel mode #2694, Drop Unmatched Client Packets on Shared Binding #2696, make sure PEER_CERTIFICATE_RECEIVED has certificate chain even if Quic does not do validation #2738, Fix Schannel Context Request Flags #2746, Indicate Stream Start Abort Event from Send Start #2870, Ensure Platform globals are freed on error #2685, Correctly handle unsupported client cert on Windows Server 2022 #2929)
• Various minor features and API improvements (Indicate null/missing client certificate #2702, Support calls to QueryContextAttributesEx. #2724, Support setting SECPKG_ATTR_CLIENT_CERT_POLICY directly #2729, Support Schannel users calling QuerySecurityContextToken #2730, Add new Windows/Schannel-only flags. #2740, Expose Wire Format Error Code on Close #2852, Include connection close details in stream's SHUTDOWN_COMPLETE #2872, Fixed details of stream SHUTDOWN_COMPLETE for ConnectionShutdown #2883, Add registry configuration for Version Settings. #2907, Add support for Schannel in-proc certificate API. #2785, Add ConnectionCloseStatus to Stream SHUTDOWN_DONE event #2932, On connection idle cid changes #2876, Add new QUIC_STATUS_ALPN_IN_USE Status Code #2936)
• Block well-known reflection ports (Block Certain Source Ports #2613, NetBIOS Datagrams is port 138, not 128 #2675)
• Update CUBIC to rfc8312bis (Update CUBIC to match rfc8312bis alpha_cubic algorithm tweak #2877)
• Add Stream statistics (Stream level stats API #2873)
• Various infra and automation improvements (many)
• Various documentation improvements (many)
• Various test improvements (many)
• CIBIR extension preview support (Support CIBIR Extension #2445)
• Windows XDP preview support (many)

New Contributors

• @panpur made their first contribution in Expose shutdown in RUST's connection object #2472
• @huitema made their first contribution in NetBIOS Datagrams is port 138, not 128 #2675
• @CarnaViire made their first contribution in Add sendbuf param to RPS client #2728
• @wangkun611 made their first contribution in open sslkeylogfile with shared read-write flag on Windows #2837
• @zdimension made their first contribution in Fix typo in lib.rs #2864
• @ManickaP made their first contribution in Include connection close details in stream's SHUTDOWN_COMPLETE #2872
• @rzikm made their first contribution in Add missing status codes to C# interop #2884
• @msvoelker made their first contribution in Linux IP_PMTUDISC_PROBE #2911
• @liveans made their first contribution in On connection idle cid changes #2876

Full Changelog: v2.0.3...v2.1.0

---

This discussion was created from the release MsQuic v2.1.0.