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K3s

SUSE / Rancher · current 1.36.3+k3s1

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The current version of K3s is 1.36.3+k3s1 (as of 04/08/2026). patchletter checks the official source daily and emails you every new release.

K3s at a glance

k3s is a lightweight, certified Kubernetes distribution (from Rancher/SUSE), popular for edge, IoT and homelab clusters. k3s ships releases tracking upstream Kubernetes across several channels plus security fixes; as a cluster control plane, careful updates matter.

For admins k3s follows Kubernetes' upgrade discipline: don't skip minor versions, upgrade the server before the agents, and check the deprecation/removed-API list against your manifests. The bundled components (containerd, the datastore, Traefik) come along with the release. Back up the datastore (SQLite or etcd) before upgrades. The API belongs on a protected network with RBAC. Its small footprint makes k3s easy to run but the same Kubernetes lifecycle rules apply — track the end-of-life dates per minor version and plan upgrades ahead. After upgrading, verify workloads and add-ons.

Version history & changelog · as detected by patchletter

VersionChannelDateNotes
1.36.3+k3s1STABLE04/08/2026Release notes →
1.36.2+k3s1STABLE25/06/2026Release notes →
1.36.1+k3s1STABLE20/05/2026Release notes →
1.36.0+k3s1STABLE06/05/2026Release notes →
1.35.6+k3s1STABLE25/06/2026Release notes →
1.35.5+k3s1STABLE20/05/2026Release notes →
1.35.4+k3s1STABLE28/04/2026Release notes →
1.35.3+k3s1STABLE28/03/2026Release notes →
1.35.2+k3s1STABLE04/03/2026Release notes →
1.35.1+k3s1STABLE13/02/2026Release notes →
1.35.0+k3s3STABLE03/02/2026Release notes →
1.35.0+k3s1STABLE23/12/2025Release notes →
1.34.9+k3s1STABLE25/06/2026Release notes →
1.34.8+k3s1STABLE20/05/2026Release notes →
1.34.7+k3s1STABLE28/04/2026Release notes →
1.34.6+k3s1STABLE28/03/2026Release notes →
1.34.5+k3s1STABLE04/03/2026Release notes →
1.34.4+k3s1STABLE13/02/2026Release notes →
1.34.3+k3s3STABLE03/02/2026Release notes →
1.34.3+k3s1STABLE19/12/2025Release notes →
1.33.13+k3s1STABLE25/06/2026Release notes →
1.33.12+k3s1STABLE20/05/2026Release notes →
1.33.11+k3s1STABLE28/04/2026Release notes →
1.33.10+k3s1STABLE28/03/2026Release notes →
1.33.9+k3s1STABLE04/03/2026Release notes →
1.33.8+k3s1STABLE13/02/2026Release notes →
1.33.7+k3s3STABLE03/02/2026Release notes →
1.33.7+k3s1STABLE19/12/2025Release notes →
1.32.13+k3s1STABLE04/03/2026Release notes →
1.32.12+k3s1STABLE13/02/2026Release notes →
1.32.11+k3s3STABLE03/02/2026Release notes →
1.32.11+k3s1STABLE19/12/2025Release notes →

Frequently asked questions

What is the latest version of K3s?
K3s 1.36.3+k3s1, released 04/08/2026. patchletter checks the vendor's official source daily for new releases.
Where can I find the K3s release notes?
The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
How do I get notified about new K3s updates?
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