With the upcoming end-of-life (EOL) of MSR 3.1.x, Mirantis encourages you to upgrade to the latest supported version to ensure continued support and security updates.

3.1.9

Release date	Name	Highlights
2025-JAN-27	MSR 3.1.9	Patch release for MSR 3.1 that addresses middleware updates, including RethinkDB Operator 1.0.2 and MSR Operator 1.0.3.

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
• Security information