TrinityCore, an open-source MMO framework (3.3.5 = 3.3.5a.12340), sourced from https://github.com/TrinityCore/TrinityCore/tree/3.3.5, features auto-update and fetches the latest commits. It has also addressed invalid git authors in old commits for private repositories, ensuring core updates are maintained. Automatic updates occur every 6 hours.