This version of GitHub Enterprise was discontinued on 2023-03-15. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.
GitHub Support documentation
GitHub offers different levels of support with each product, including community forum support and limited email support for everyone, full email support for all paid products, and 24/7 email and callback support with a service level agreement (SLA) if your account includes GitHub Premium Support.