Loki | v3.7.1

Loki v3 7 1: upgrades Go and gRPC on 3 7 x for compatibility and stability, bug fix only, rebuild custom images and run quick compatibility tests

Loki v3.7.1 released on 27-03-2026


Loki v3.7.1 is out now. Operators and anyone running custom builds will benefit — it upgrades the Go runtime and gRPC on the 3.7.x line to address compatibility, stability and dependency issues.

See the GitHub release compare, issue #21282 and commit 2c8fff2 for full details: https://github.com/grafana/loki/compare/v3.7.0…v3.7.1

What’s in this release

  • Upgrades the Go runtime and gRPC dependency on the 3.7.x line to address compatibility, stability and dependency issues (see issue #21282 and commit 2c8fff2).
  • Bug-fix-only release; there are no functional changes to Loki APIs or configuration.
  • Operators should rebuild any custom builds or images against the new toolchain and run quick compatibility tests, especially if using cgo or native plugins.

Upgrade notes

  • No breaking API or configuration changes reported; rebuild custom builds/images and run compatibility tests as noted above. Refer to the release compare for exact changes.
  • If you need to roll back, revert to v3.7.0.

Share comments on your upgrade experience or report any problems on the project’s GitHub issue tracker.