• Optimisation of read path for polled non-blocking IO.
• Correct an omission in TLS1.3 middlebox compatibility mode, causing handshake failures with servers behind buggy middleboxes.
• Move to ring 0.16.
• Assorted refactoring to reduce memory usage during and after handshake.
• Update other dependencies.

What's Changed

• Fix the unused_doc_comment warning by @thomwiggers in https://github.com/rustls/rustls/pull/248
• Refactoring of client/hs.rs and server/hs.rs by @ctz in https://github.com/rustls/rustls/pull/249
• stream: add socket accessors by @Keruspe in https://github.com/rustls/rustls/pull/254
• Update minimal dependencies versions by @Keruspe in https://github.com/rustls/rustls/pull/255
• Fix warnings about trait objects by @thomwiggers in https://github.com/rustls/rustls/pull/258
• Avoid Error fmt by @thomwiggers in https://github.com/rustls/rustls/pull/257
• docs: fix typo by @Jason-Cooke in https://github.com/rustls/rustls/pull/262
• Merge Jbg/ring-0.16 by @ctz in https://github.com/rustls/rustls/pull/272
• Update to ring 0.16.2 to improve sealing operations. by @briansmith in https://github.com/rustls/rustls/pull/277
• Simplify construction of AAD and Nonce values. by @briansmith in https://github.com/rustls/rustls/pull/278
• Start using the ring 0.16.4 HDKF API in the TLS 1.3 key schedule by @briansmith in https://github.com/rustls/rustls/pull/279
• Expose resumption ciphersuite by @Ralith in https://github.com/rustls/rustls/pull/274
• Better encapsulate key material during TLS 1.3 key schedule by @briansmith in https://github.com/rustls/rustls/pull/282
• Remove QUIC-specific key logging labels by @Ralith in https://github.com/rustls/rustls/pull/267

New Contributors

• @Jason-Cooke made their first contribution in https://github.com/rustls/rustls/pull/262

Full Changelog: https://github.com/rustls/rustls/compare/v/0.15.2...v/0.16.0