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Release Summary:

Resolved issues:

Description of changes:

Release s2n-quic version v1.64.0:

Release summary:

  • Implement dcQUIC client tokio builder.
  • Implement dcQUIC server tokio builder.
  • Implement server, client, and io providers for dcQUIC.
  • Implement dcQUIC control struct
  • Adds configurable percentage-based random jitter to Probe Timeout (PTO) calculations to prevent synchronized timeouts across multiple connections and reduce network congestion. Users can now configure jitter between 0-50% of the base PTO period, with 0% maintaining current RFC 9002 compliant behavior.
  • Sets the default PTO jitter percentage for s2n-quic-dc to 33%.
  • Allow configurable server_name option in dcQUIC.

Call-outs:

  • dcQUIC now takes a dependency on s2n-quic-platform, so that needs to be updated as well.

Testing:

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

@boquan-fang boquan-fang marked this pull request as ready for review August 25, 2025 22:14
@boquan-fang boquan-fang requested a review from camshaft August 25, 2025 22:17
@boquan-fang boquan-fang enabled auto-merge (squash) August 25, 2025 22:19
@camshaft camshaft disabled auto-merge August 25, 2025 23:14
@camshaft camshaft merged commit 8d7fd3e into aws:main Aug 25, 2025
206 of 208 checks passed
@boquan-fang boquan-fang deleted the release-1.64.0 branch August 28, 2025 20:56
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2 participants