Warning: In correlation with the end of life (EOL) date for MSR 3.1.x, Mirantis stopped maintaining this documentation version as of 2025-09-27. The latest MSR product documentation is available here.

3.1.12

Release date	Name	Highlights
2025-JUN-4	MSR 3.1.12	Patch release for MSR 3.1 that focuses on delivery of bug fixes and component updates.

Note

The Mirantis Migration Tool (MMT) release notes are included within the Migration Guide.

• Enhancements
• Addressed issues
• Known issues
  • MSR on Swarm installations can fail on RHEL 9.2
  • [ENGDTR-2906] Initialization failure
  • Product limitations
• Major component versions