• RFC8879 certificate compression is now supported. Get started by enabling the brotli and/or zlib crate features, which depend on the brotli or zlib-rs crates. We recommend brotli as it has the widest deployment so far.

What's Changed

• ci: temp. pin nightly to 2024-05-22 by @cpu in https://github.com/rustls/rustls/pull/1971
• deps: update semver compatible dependencies by @cpu in https://github.com/rustls/rustls/pull/1972
• Fix LTO setting and a clippy::use_self finding by @cpu in https://github.com/rustls/rustls/pull/1973
• ci: update cargo-check-external-types toolchain by @cpu in https://github.com/rustls/rustls/pull/1974
• fix rustc-check-cfg by @cpu in https://github.com/rustls/rustls/pull/1975
• Support RFC8879 certificate compression by @ctz in https://github.com/rustls/rustls/pull/1966
• Update roadmap to reflect initial release of the OpenSSL compat layer by @bdaehlie in https://github.com/rustls/rustls/pull/1977
• Implement RFC 9180 HPKE provider backed by aws-lc-rs by @cpu in https://github.com/rustls/rustls/pull/1963
• Tidy handshake_tests file by @ctz in https://github.com/rustls/rustls/pull/1978
• General roadmap updates. by @bdaehlie in https://github.com/rustls/rustls/pull/1979
• Minor #[allow()] cleanups by @ctz in https://github.com/rustls/rustls/pull/1982
• Prepare 0.23.9 by @ctz in https://github.com/rustls/rustls/pull/1986

Full Changelog: https://github.com/rustls/rustls/compare/v/0.23.8...v/0.23.9