GitHub Enterprise Server 3.21 Released
GitHub Enterprise Server 3.21 is now generally available, bringing enhancements to deployment efficiency, monitoring, code security, and policy management. Key updates include the general availability of organization custom properties and hierarchy view for GitHub Projects, alongside a new REST API version with breaking changes. These updates benefit enterprise administrators and developers by improving metadata tagging, project visualization, and workflow management.
- →Organization custom properties are now generally available
- →Hierarchy view for GitHub Projects is now generally available
- →New REST API version 2026-03-10 introduced
- →Improved performance and filtering for GitHub Actions workflows
- →Enhanced secret scanning permissions and governance
Breaking changes (1) ›
- New REST API version 2026-03-10 introduced
REST API version 2026-03-10 is now available and includes breaking changes. Existing integrations on version 2022-11-28 will remain supported for at least 24 months.
Features (2) ›
- Organization custom properties are now generally available
Enterprise administrators can now tag organizations with metadata using custom properties, enabling automatic targeting for enterprise rulesets. This feature enhances governance and organization management.
- Hierarchy view for GitHub Projects is now generally available
Users can now view their full issue hierarchy directly within GitHub Projects table views. This provides clear visibility into complex work breakdowns without context switching.
Enhancements (3) ›
- Improved performance and filtering for GitHub Actions workflows
GitHub Actions workflow pages now render workflows with over 300 jobs using lazy loading. Users can also filter jobs by status directly from these pages.
- Enhanced secret scanning permissions and governance
Improvements to alert-level and enterprise-level permissions for secret scanning are included, simplifying management of alerts, custom patterns, and push protection bypasses.
- Multiple data disks for MySQL and repository data now generally available
The configuration of multiple data disks to host MySQL and repository data is now generally available for standalone and high availability topologies. This feature is also available in recent patches of GHES 3.17-3.20.
https://github.blog/changelog/2026-06-11-github-enterprise-server-3-21-is-now-generally-available