v1.34.X

Upgrade Notice

Before upgrading from earlier releases, be sure to read the Kubernetes Urgent Upgrade Notes.
Version Release date Kubernetes Kine SQLite Etcd Containerd Runc Flannel Metrics-server Traefik CoreDNS Helm-controller Local-path-provisioner

v1.34.3+k3s1

Dec 19 2025

v1.34.3

v0.14.9

3.50.4

v3.6.6-k3s1

v2.1.5-k3s1

v1.4.0

v0.27.4

v0.8.0

v3.5.1

v1.13.1

v0.16.17

v0.0.32

v1.34.2+k3s1

Nov 20 2025

v1.34.2

v0.14.6

3.50.4

v3.6.5-k3s1

v2.1.5-k3s1

v1.3.3

v0.27.4

v0.8.0

v3.5.1

v1.13.1

v0.16.16

v0.0.32

v1.34.1+k3s1

Sep 22 2025

v1.34.1

v0.14.0

3.50.4

v3.6.4-k3s3

v2.1.4-k3s2

v1.3.1

v0.27.0

v0.8.0

v3.3.6

v1.12.3

v0.16.13

v0.0.32

Release v1.34.3+k3s1

This release updates Kubernetes to v1.34.3, and fixes a number of issues.

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

Changes since v1.34.2+k3s1:

  • Update busybox to 1.37.0 (#13241)

  • Add multus e2e test (#13264)

  • Backports for 2025-12 (#13251)

    • Add docker dualstack test

    • Fix windows build os

    • Fix for clusters with few nodes and a lot of pod churn when webhooks are accessed using egress-selector

    • Fix spegel sharing of imported images

    • Bump opencontainers/selinux

    • Remove remaining references to drone

    • Bump actions/checkout from 5 to 6

    • Reorganize Executor interface to make CNI startup part of Executor implementation

    • Bump kine and etcd

    • Bump runc to v1.4.0

    • Consolidate test util functions

    • Define DefaultHelmJobImage in K3s, overriding what helm-controller defaults to

    • Bump actions/setup-go from 5 to 6

  • Fix tailscale setup in case of an already running configuration (#13267)

  • Update kube-router to v2.6.2 (#13288)

  • Update to v1.34.3-k3s1 and Go 1.24.11 (#13306)

  • Fix cross-platform image save (#13310)

  • Bump kine to v0.14.9 (#13318)

  • Fix arm airgap platforms (#13331)

  • Reuse airgap image release action (#13337)

  • Fix release workflow (#13339)

  • Combine airgap and binary publishing steps (#13340)

  • Validate collected release artifact list before uploading (#13350)

  • Override DefaultHelmJob at build time (#13361)

Release v1.34.2+k3s1

This release updates Kubernetes to v1.34.2, and fixes a number of issues. For more details on what’s new, see the Kubernetes release notes.

Changes since v1.34.1+k3s1:

  • Bump traefik to 3.5.1 (#12957)

  • Fix garbled CLI (#13032)

  • Update flannel, kube-router and cni plugins (#13040)

  • Backports for 2025-10 (#13057)

    • Fix netpol fatal error when changing node IP

    • Bump dynamiclistener for stacked update fix

    • Bump Klipper Helm and Helm Controller version

    • Fix IPv6 handling for loadbalancer addresses

    • Fix multiple issues with server shutdown sequencing

    • Fix etcd member promotion

    • Bump spegel to v0.4.0

    • Fix kine metrics registration without –kine-tls

    • Bump kine to v0.14.2

    • Fix: default forward after override imports

    • Fix handling of vendored dependencies in version script

    • Fix helm controller apiserver address for bootstrap charts on ipv6-only nodes

    • Create dynamic-cert-regenerate file in CA cert rotation handler

    • Fix ability to rotate server token to an invalid format

    • Drop calls to rand.Seed

    • Bump kine for postgres object count fix

    • Bump kine=v0.14.4, etcd=v3.6.5

    • Bump coredns to 1.13.1

  • Update dispatch script (#13078)

  • Bump helm-controller/klipper-helm (#13091)

  • Backports for 2025-11 (#13125)

  • Inclusive naming proposal (#13132)

  • Migrate release pipelines into GitHub Actions (#13119)

  • Bump runc to v1.3.3 (#13144)

  • Add Prime assets upload (#13159)

  • More backports for 2025-11 (#13177)

  • Bump klipper-helm and helm-controller (#13193)

  • Update to v1.34.2-k3s1 and Go 1.24.9 (#13199)

  • Add id-token (#13208)

Release v1.34.1+k3s1

This release updates Kubernetes to v1.34.1. This is the first k3s release in the 1.34 release line.

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

Changes since v1.33.4+k3s1:

  • Bump rancher libs: wrangler/lasso/remotedialer (#12784)

  • Wire cri-dockerd --log-level=debug up to k3s --debug flag (#12755)

  • Fix spegel logging and startup sequence (#12796)

  • Update to runc v1.3.0 (#12789)

  • Do not bootstrap etcd-only nodes from existing supervisor (#12754)

  • Add retry on etcd MemberAdd timeout (#12815)

  • Bump containerd to v2.1.4 (#12788)

  • Retry CRD creation in case of conflict (#12814)

  • Update stable to v1.33.4+k3s1 (#12826)

  • Bump actions/checkout from 4 to 5 (#12773)

  • Wire up kine metrics (#12831)

  • Fix etcd join timeout handling (#12833)

  • Wire up remotedialer metrics (#12832)

  • Bump k3s-root to v0.15.0 (#12853)

    • The bundled userspace binaries are now built from the buildroot 2025.02 LTS branch.

    • The bundled nft binary now supports json output, required for compatibility with kube-proxy’s nft proxier.

  • Update to Kubernetes v1.34 (#12854)

  • Add opencontainers/runc pin to v1.3.1 (#12864)

  • Move data dir into position before creating CNI symlinks (#12876)

  • Update to v1.34.1 and Go 1.24.6 (#12896)