Hopefully they started approximately 16 years ago when OpenSSL 1.0 was released. <a href="https:&#x2F;&#x2F;www.openssl.org&#x2F;news&#x2F;changelog.html" rel="nofollow">https:&#x2F;&#x2F;www.openssl.org&#x2F;news&#x2F;changelog.html</a>