Support levels
There are four support levels:- Active
- Critical
- End of life (EOL)
- Deprecated
Active
Where N represents the latest minor version (e.g., 0.3, 0.4, etc.). The current minor version (N) receives full support, including:- New features and capabilities
- Bug fixes and regressions
- Security patches
- Quality-of-life improvements
- High confidence changes that are narrowly scoped
Critical
The previous minor version (N-1) receives limited support:- Critical security fixes
- Installation fixes
- No new features or general bug fixes
- Transitioned from Active when a newer minor version is released
End of life (EOL)
Versions older than N-2 (N-2, N-3, etc.) receive no support:- No new patch releases
- No bug fixes, including known bugs
- No security updates
- Users should upgrade to a supported version
Deprecated
Versions that are no longer maintained:- All versions prior to the first stable release
- Versions that have been explicitly deprecated
- No support or maintenance provided
Version support policy
follows an N-2 support policy for minor versions:- N (Current): Active support
- N-1: Critical support
- N-2 and older: End of Life
Minor version support
Minor versions include new features and capabilities and are supported according to the N-2 policy. When we refer to a minor version, such as v0.3, we always mean its latest available patch release (v0.3.x).Patch releases
During the support window for each version:- Active Support: Regular patch releases with bug fixes, regressions, and new features
- Critical Support: Security-only releases for critical fixes related to security and installation
- End of Life: No new patches released
Recommendations
- Stay Current: We recommend upgrading to the latest minor version to receive full support and access to new features
- Plan Upgrades: Monitor the changelog for upcoming version changes and plan upgrades accordingly
- Security: Critical security fixes are only provided for Active and Critical support versions
- Testing: Test your applications with newer versions before upgrading in production
Version compatibility
When upgrading between minor versions:- Review the changelog for breaking changes
- Test your applications thoroughly
- Follow the upgrade guides provided in the documentation
- Consider the support timeline for your current version
Current version support
To check the current supported versions and their support levels, refer to the LangGraph Server Changelog for the latest release information.Connect these docs programmatically to Claude, VSCode, and more via MCP for real-time answers.