Support for Universal 2nd Factor Authentication

This post announces the addition of FIDO Universal 2nd Factor (U2F) protocol support for user authentication, integrating with YubiKey hardware security devices. It highlights U2F's use of public key cryptography and phishing prevention capabilities, enhancing account security for users logging in from multiple devices. The post also reminds users that GitLab has supported two-factor authentication since version 7.11 and directs them to documentation for enabling U2F.