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v1.33.X

Upgrade Notice

Before upgrading from earlier releases, be sure to read the Kubernetes Urgent Upgrade Notes.

VersionRelease dateKubernetesKineSQLiteEtcdContainerdRuncFlannelMetrics-serverTraefikCoreDNSHelm-controllerLocal-path-provisioner
v1.33.5+k3s1Sep 22 2025v1.33.5v0.14.03.50.4v3.5.21-k3s1v2.1.4-k3s1v1.3.1v0.27.0v0.8.0v3.3.6v1.12.3v0.16.13v0.0.31
v1.33.4+k3s1Aug 25 2025v1.33.4v0.13.173.49.1v3.5.21-k3s1v2.0.5-k3s2v1.2.6v0.27.0v0.8.0v3.3.6v1.12.3v0.16.13v0.0.31
v1.33.3+k3s1Jul 26 2025v1.33.3v0.13.173.49.1v3.5.21-k3s1v2.0.5-k3s2v1.2.6v0.27.0v0.7.2v3.3.6v1.12.1v0.16.13v0.0.31
v1.33.2+k3s1Jun 30 2025v1.33.2v0.13.153.49.1v3.5.21-k3s1v2.0.5-k3s1v1.2.6v0.27.0v0.7.2v3.3.6v1.12.1v0.16.11v0.0.31
v1.33.1+k3s1May 23 2025v1.33.1v0.13.153.49.1v3.5.21-k3s1v2.0.5-k3s1v1.2.6v0.26.7v0.7.2v3.3.6v1.12.1v0.16.10v0.0.31
v1.33.0+k3s1May 08 2025v1.33.0v0.13.14v3.46.1v3.5.21-k3s1v2.0.4-k3s4v1.2.5v0.26.7v0.7.2v3.3.6v1.12.1v0.16.10v0.0.31

Release v1.33.5+k3s1​

This release updates Kubernetes to v1.33.5, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Changes since v1.33.4+k3s1:​

  • Backports for 2025-09 (#12885)
    • Bump rancher libs: wrangler/lasso/remotedialer
    • Wire cri-dockerd --log-level=debug up to k3s --debug flag
    • Fix spegel logging and startup sequence
    • Update to runc v1.3.0
    • Do not bootstrap etcd-only nodes from existing supervisor
    • Add retry on etcd MemberAdd timeout
    • Bump containerd to v2.1.4
    • Retry CRD creation in case of conflict
    • Wire up kine metrics
    • Wire up remotedialer metrics
    • Fix etcd join timeout handling
    • Bump k3s-root to v0.15.0
    • Add opencontainers/runc pin to v1.3.1
    • Move data dir into position before creating CNI symlinks
  • Update to v1.33.5-k3s1 and Go 1.24.6 (#12895)

Release v1.33.4+k3s1​

This release updates Kubernetes to v1.33.4, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Changes since v1.33.3+k3s1:​

  • Add retention flag specific for s3 (#12694)
  • Backports for August (#12718)
  • Bump coredns to 1.12.3 (#12728)
    • Bump metrics-server to v0.8.0 (#12741)
  • Fix cert startup check events (#12746)
  • Emit certs OK event on startup, if no certs need renewal (#12760)
  • Update to v1.33.4-k3s1 and Go 1.24.5 (#12758)
  • Update metric help to be more descriptive. (#12764)

Release v1.33.3+k3s1​

This release updates Kubernetes to v1.33.3, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Changes since v1.33.2+k3s1:​

  • Add usage description for etcd-snapshot (#12573)
  • Refac shell completion to a better command structure (#12605)
    • K3s completion shell command will now be separate to specific subcommands for bash and zsh
  • GHA + Testing Backports (#12608)
  • Backports for 2025-07 (#12631)
  • Update to v1.33.3-k3s1 (#12652)

Release v1.33.2+k3s1​

This release updates Kubernetes to v1.33.2, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Changes since v1.33.1+k3s1:​

Release v1.33.1+k3s1​

This release updates Kubernetes to v1.33.1, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Changes since v1.33.0+k3s1:​

Release v1.33.0+k3s1​

This release updates Kubernetes to v1.33.0, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Changes since v1.32.4+k3s1​