This release contains 4 PRs from 3 authors. Thank you!

Changelog

3.1.0-rc.1

Grafana Mimir

• [BUGFIX] Update to Go v1.26.3 to address CVE-2026-42501, CVE-2026-42499, CVE-2026-39836, CVE-2026-39820, CVE-2026-33814, CVE-2026-33811, CVE-2026-39826, CVE-2026-39823, CVE-2026-39817, CVE-2026-39825, CVE-2026-39819. #15263

All changes in this release: mimir-3.1.0-rc.0...mimir-3.1.0-rc.1