This release contains 10 PRs from 5 authors, including new contributors mimir-github-bot[bot]. Thank you!

Changelog

2.15.3

Grafana Mimir

• [BUGFIX] Update to Go v1.23.9 to address CVE-2025-22871. #11537

Mimirtool

• [BUGFIX] Upgrade Alpine Linux to 3.20.6, fixes CVE-2025-26519. #11530

Mimir Continuous Test

• [BUGFIX] Upgrade Alpine Linux to 3.20.6, fixes CVE-2025-26519. #11530

All changes in this release: mimir-2.15.2...mimir-2.15.3