Traefik v3.7.7 released on 08-07-2026
Traefik v3.7.7 is out now. It starts with an important migration reminder and bundles documentation corrections, middleware behaviour fixes, Kubernetes/Gateway API stability patches and dependency updates that improve certificate and telemetry handling.
Read the migration guide and the full release notes on the project documentation and GitHub for complete upgrade instructions and the full list of fixes.
What’s in this release
- Migration and documentation updates: corrected migration-guide version, changelog fixes and supported-version docs updated to include v3.7; function-name and grammar fixes across TLS/TCP/routing docs; X-Forwarded-Prefix clarified for dashboard redirection; two current maintainers added to the roster.
- Middleware fixes and behaviour improvements: app-root middleware now supports nginx variable interpolation for k8s/ingress-nginx integration; ReplacePathRegex sanitises replacement paths; mirroring handles empty or unknown-length request bodies; buffering middleware defaults clarified in the docs.
- Kubernetes, Gateway API and CRD provider fixes: ExtensionRef filters on backendRefs now resolve against the HTTPRoute namespace; cross-provider ref checks for TCP ServersTransport corrected in the CRD provider; HostSNI(*) vs Host(*) rule consistency addressed; panic fixed when EndpointSlice port value or name is nil.
Upgrade notes
- Important migration reminder — read the migration guide before upgrading: https://doc.traefik.io/traefik/v3.7/migrate/v3/#v377
- No explicit rollback procedure is provided in these notes; if you need to revert, use the previous v3.7.x release available from Traefik’s GitHub releases and follow the changelog when choosing a target.
Share your experience after upgrading — report problems or feedback via the project’s GitHub release notes, issue tracker or community channels so maintainers can follow up.
