Release notes (part of the migration guide): https://www.openssl.org/docs/man3.0/man7/migration_guide.html https://www.openssl.org/docs/man3.0/man7/migration_gu

Release notes (part of the migration guide): https://www.openssl.org/docs/man3.0/man7/migration_guide.html https://www.openssl.org/docs/man3.0/man7/migration_guide.htm... Not too many breaking changes per-se, but lots of old API calls deprecated (pretty much all the old low-level APIs), plus new default values for a variety of things. Also, going forward they'll be using the standard semantic version-numbering system.