# K3s v1.36.4+k3s1

- Product: K3s (https://whatsnew.fyi/product/k3s)
- Vendor: SUSE
- Date: 2026-08-27
- Version: v1.36.4+k3s1
- Original notes: https://github.com/k3s-io/k3s/releases/tag/v1.36.4%2Bk3s1
- Permalink: https://whatsnew.fyi/product/k3s/releases/v1.36.4-k3s1
- Labels: Pre-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **changed** — Upgrade Traefik chart to v40.x with breaking change for ingress-nginx migration: provider name changes from kubernetesIngressNginx to kubernetesIngressNGINX
- **changed** — Update Kubernetes to v1.36.4
- **changed** — Update containerd to v2.3.4-k3s1.36
- **changed** — Update Go to 1.26.7
- **changed** — Update CoreDNS image version
- **changed** — Update Local Path Provisioner version

<!-- v1.36.4+k3s1 -->
> [!WARNING]
> This release upgrades Traefik chart to v40.x which includes a breaking change for the ingress-nginx migration: the provider name changes from `kubernetesIngressNginx` to `kubernetesIngressNGINX`. Check https://github.com/traefik/traefik-helm-chart/releases/tag/v40.0.0 for more details

This release updates Kubernetes to v1.36.4, and fixes a number of issues.

For more details on what's new, see the [Kubernetes release notes](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.36.md#changelog-since-v1363).

##### Changes since v1.36.3+k3s1:

* Backport tests changes [(#14517)](https://github.com/k3s-io/k3s/pull/14517)
* Bump rancher/mirrored-coredns-coredns image version [(#14534)](https://github.com/k3s-io/k3s/pull/14534)
* Bump Local Path Provisioner version [(#14498)](https://github.com/k3s-io/k3s/pull/14498)
* Bump containerd to v2.3.4-k3s1.36 [(#14512)](https://github.com/k3s-io/k3s/pull/14512)
* Backports for 2026-08 [(#14522)](https://github.com/k3s-io/k3s/pull/14522)
* Update to v1.36.4-k3s1 and Go 1.26.7 [(#14545)](https://github.com/k3s-io/k3s/pull/14545)

##### Embedded Component Versions
| Component | Version |
|---|---|
| Kubernetes | [v1.36.4](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.36.md#v1364) |
| Kine | [v0.16.4](https://github.com/k3s-io/kine/releases/tag/v0.16.4) |
| SQLite | [3.53.4](https://sqlite.org/releaselog/3_53_4.html) |
| Etcd | [v3.6.14-k3s1](https://github.com/k3s-io/etcd/releases/tag/v3.6.14-k3s1) |
| Containerd | [v2.3.4-k3s1.36](https://github.com/k3s-io/containerd/releases/tag/v2.3.4-k3s1.36) |
| Runc | [v1.4.2](https://github.com/opencontainers/runc/releases/tag/v1.4.2) |
| Flannel | [v0.28.4](https://github.com/flannel-io/flannel/releases/tag/v0.28.4) | 
| Metrics-server | [v0.9.0](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.9.0) |
| Traefik | [v3.7.8](https://github.com/traefik/traefik/releases/tag/v3.7.8) |
| CoreDNS | [v1.14.6](https://github.com/coredns/coredns/releases/tag/v1.14.6) | 
| Helm-controller | [v0.17.7](https://github.com/k3s-io/helm-controller/releases/tag/v0.17.7) |
| Local-path-provisioner | [v0.0.37](https://github.com/rancher/local-path-provisioner/releases/tag/v0.0.37) |

##### Helpful Links
As always, we welcome and appreciate feedback from our community of users. Please feel free to:
- [Open issues here](https://github.com/rancher/k3s/issues/new/choose)
- [Join our Slack channel](https://slack.rancher.io/)
- [Check out our documentation](https://rancher.com/docs/k3s/latest/en/) for guidance on how to get started or to dive deep into K3s.
- [Read how you can contribute here](https://github.com/rancher/k3s/blob/master/CONTRIBUTING.md)