The OpenSSL team has released OpenSSL 3.5 featuring support for post-quantum computing (PQC) algorithms and other new features.
Updates and changes in this release include:
- Support for PQC algorithms (ML-KEM, ML-DSA and SLH-DSA).
- The default TLS supported groups list has been changed to include and
prefer hybrid PQC KEM groups. - Support for server side QUIC (RFC 9000).
- Support for third-party QUIC stacks including 0-RTT support.
- Support for multiple TLS keyshares and improved TLS key establishment group configurability.
OpenSSL 3.5 is a long-term stable (LTS) release and will be supported until April 8, 2030.
See the release notes for details.
