This release is the first in the K3s v1.20 line. It upgrades to Kubernetes version v1.20.0. If you are coming from v1.19 or earlier, it is recommended that you read the Urgent Upgrade Notes.
Major changes from K3s 1.19 include:
- CoreDNS has been bumped to v1.8.0 (#2726)
- Node passwords are now cleaned up when nodes are deleted from the cluster (#2407)
- The
--data-dirflag no longer leaves some files in/var/lib/rancher/k3s(#2475 #2496) - Pods for packaged components (CoreDNS, Traefik, Metrics-server, Local-storage) now have critical Priority Classes, which should prevent them from being evicted under load (#2558 @transhapHigsn)
- Rootless support has been improved (#2586 #2595 @AkihiroSuda)
k3s --versionnow includes the golang version it was compiled with (#2621)- Several harmless warnings and errors should no longer be seen in the logs (#2475)
With this release, the following versions are latest and stable. For more information on what this means, review our release channel documentation.
| Channel | K3s Version | Quick Install Command |
|---|---|---|
| Latest | v1.20.0+k3s2 | curl -sfL https://get.k3s.io | INSTALL_K3S_CHANNEL=latest sh -
|
| Stable | v1.19.5+k3s2 | curl -sfL https://get.k3s.io | sh -
|
Embedded Component Versions
| Component | Version |
|---|---|
| Kubernetes | v1.20.0 |
| Kine | v0.6.0 |
| SQLite | 3.33.0 |
| Etcd | v3.4.13-k3s1 |
| Containerd | v1.4.3-k3s1 |
| Flannel | v0.12.0-k3s1 |
| Metrics-server | v0.3.6 |
| Traefik | v1.7.19 |
| CoreDNS | v1.8.0 |
| Helm-controller | v0.8.0 |
| Local-path-provisioner | v0.0.14 |
Helpful Links
As always, we welcome and appreciate feedback from our community of users. Please feel free to:
- Open issues here
- Join our Slack channel
- Check out our documentation for guidance on how to get started or to dive deep into K3s.
- Read how you can contribute here