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@ghedo ghedo released this 22 Aug 14:49
· 188 commits to master since this release
0.18.0
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ghedo Alessandro Ghedini
GPG key ID: 6F0CCBE021624728
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Breaking Changes:

  • Removed pre-RFC QUIC and HTTP/3 support (specifically for drafts 27, 28 and 29). Now only the final QUIC and HTTP/3 versions are supported.
  • Removed the HTTP/3 DATAGRAM API (specifically the h3::Event::Datagram enum variant and h3::Connection::dgram_send() / h3::Connection::dgram_recv() / h3::Connection::dgram_max_writable_len() methods). Applications should use the transport-level APIs Connection::dgram_send() and Connection::dgram_recv() (see this change for example).
  • Replaced Config::with_boring_ssl_ctx() with Config::with_boring_ssl_ctx_builder() which takes a SslContextBuilder rather than SslContext directly, for safety reasons.

Highlights:

  • Massively improved the stream prioritization implementation, which is now much more accurate and reliable (this is largely transparent to applications, as the API hasn't changed).
  • Added support for the final specification of DATAGRAMs (RFC 9297). Currently both draft and final versions are supported, but the draft support will be removed in a future release.
  • Added some APIs to make working with migration and multiple CIDs easier. Specifically Connection::source_ids() which returns all active source IDs, and Connection::retired_scids() which returns the number of retired source IDs that haven't been returned to the application yet.
  • Added Config::set_initial_congestion_window_packets() to configure the initial congestion window size.
  • Many more bug fixes and performance improvements.

Full changelog at 0.17.2...0.18.0

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