Loki v3.6.8 released on 25-03-2026
Loki v3.6.8 is out now. It upgrades the OpenTelemetry SDK and the Go toolchain to improve tracing compatibility and ensure builds use a newer Go version.
See the Loki GitHub release page for the full notes and the compare link for changes between v3.6.7 and v3.6.8.
What’s in this release
- Upgrade go.opentelemetry.io/otel/sdk to v1.40.0 to improve tracing compatibility.
- Move the repository toolchain to Go 1.25.8 and update the Go used by querytee/promtail build/tooling images.
- Change the Debian base used for the fluent-bit image, and apply security dependency updates (github.com/buger/jsonparser → v1.1.2, google.golang.org/grpc → v1.79.3).
Upgrade notes
- No breaking changes are listed for this maintenance patch; test the build and images in staging and update CI/build images to use Go 1.25.8 where relevant.
- If you need to roll back, the previous tag v3.6.7 remains available on the repository.
Let us know how the update goes — report issues or share your experience on the Loki GitHub issues page.