Release notes for GitHub Enterprise Server versions 2.20.0+ have moved to GitHub Docs. Release notes for versions prior to 2.20.0 will remain on GitHub Enterprise Releases
Packages have been updated to the latest security versions.
Bug Fixes
Upgrading an HA replica would stall indefinitely waiting for MySQL to start.
Importing teams from external sources failed when there were spaces in the team name.
PR review comments with unexpected values for "position" or "original_position" caused imports to fail.
Project hovercards were not properly displayed.
Known Issues
On a freshly set up GitHub Enterprise Server without any users, an attacker could create the first admin user.
Custom firewall rules are not maintained during an upgrade.
Subversion (SVN) checkout may timeout while the repository data cache is being built. In most cases, subsequent Subversion checkout attempts will succeed.
Issues cannot be closed if they contain a permalink to a blob in the same repository where the file path is longer than 255 characters.
When "Users can search GitHub.com" is enabled with GitHub Connect, issues in private and internal repositories are not included in GitHub.com search results.
Security alerts are not reported when pushing to a repository on the command line. (updated 2020-06-23)