k3s v1.37.2+k3s1 released on 03-11-2026
k3s v1.37.2+k3s1 is out now. It upgrades the embedded Kubernetes to v1.37.2 and bundles multiple dependency updates and backported fixes aimed at improving stability and CI reproducibility.
For full details, check the upstream Kubernetes 1.37.2 changelog and the k3s release notes on the project GitHub; the release also points to k3s documentation for upgrade guidance.
What’s in this release
- Embedded Kubernetes upgraded to v1.37.2 and a broad set of bundled component bumps: Kine v0.17.1, Etcd v3.7.1-k3s3, Containerd v2.3.7-k3s1, Runc v1.4.2, Flannel v0.28.10, CoreDNS v1.14.7, metrics-server v0.9.0, Helm-controller and local-path-provisioner updates.
- Traefik and Gateway API updates: Traefik moved within the 3.7.x series (embedded table shows v3.7.15) and the Kubernetes Gateway API CRD/gateway-api were added or bumped to the 1.6.x series.
- Backports and bug fixes from October 2026, including waiting 60s for a default route to prevent systemd restart loops, excluding kms-providers from apiserver readiness checks, clarifying etcd snapshot retention flags, fixing local-path PV deletion with SELinux enforcing, introducing etcd snapshot restrictions, reporting image-list read errors when pre-pulling images, and several CI and test improvements.
Upgrade notes
- No explicit breaking changes are listed; if you use etcd snapshots or S3 retention, review the clarified snapshot retention flags and the new etcd snapshot restrictions in the release notes before upgrading.
- Rollback: the release notes do not specify special rollback procedures — follow your standard upgrade and rollback practices and open an issue on the k3s GitHub if you encounter problems.
Share comments on your experience via the k3s GitHub issues page or on the k3s Slack channel; the project documentation is available for upgrade and configuration guidance.
