On your GitHub Enterprise Server instance, navigate to the main page of the repository.
Under your repository name, click Issues.
In the list of issues, click the issue you'd like to pin.
In the right sidebar, click Pin issue.
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.
Pinning an issue to your repository
You can pin up to three important issues above the issues list in your repository.
People with write access to a repository can pin issue in the repository.