This release contains 5 PRs from 3 authors. Thank you!

Changelog

3.1.3

Grafana Mimir

• [BUGFIX] Fix build failure on Windows and FreeBSD due to reference leaks instrumentation code. Enabling reference leaks instrumentation in those platforms now causes a configuration validation error instead. ##15837
• [BUGFIX] Upgrade Go to 1.26.5 to address CVE-2026-39822 and CVE-2026-42505. ##16078

All changes in this release: mimir-3.1.2...mimir-3.1.3