Release Strategy First issued 23rd December 2014 Last modified 30th November 2023 From 3.0.0 and above, the OpenSSL versioning scheme uses the format: MAJOR.MINOR.PATCH With this format, API/ABI compatibility will be guaranteed for the same MAJOR version number. MAJOR: API/ABI incompatible changes will increase this number MINOR: API/ABI compatible feature releases will change this PATCH: Bug fix