v1.21.7+k3s1

This release updates Kubernetes to v1.21.7, and fixes a number of issues.

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

Changes since v1.21.6+k3s1:

• Updated Kubernetes to v1.21.7 and containerd v1.4.12 (#4531, #4539)
• Rancher will no longer suggest upgrading the Traefik chart packaged with K3s. (#4559)
• Fix regression with cluster reset (#4524)
• Allow svclb pod to enable ipv6 forwarding (#4519)
• Backport new cniplugins and klipper-lb image version (#4515)
• Support for dual stack in serviceLB controller (#4503, #4513)
• Fixed an issue where config.yaml arguments with an equal sign would be skipped by server. (#4508)
• Unknown flags in config are now silently skipped by k3s server and etcd-snapshot (#4493)
• K3s now supports --etcd-arg to specify additional etcd arguments for running etcd (#4471)
• Increase agent's apiserver ready timeout (#4457)
• Rancher will no longer suggest upgrading the Traefik chart packaged with K3s. (#4326)
• Add ability to reconcile bootstrap data between datastore and disk (#4452)
• Fix log/reap reexec (#4376)
• Resolved an issue that would occasionally cause K3s to take more than a minute to schedule initial pods on the first server in a cluster. (#4363)

Embedded Component Versions

Component	Version
Kubernetes	v1.21.7
Kine	v0.6.2
SQLite	3.33.0
Etcd	v3.4.13-k3s1
Containerd	v1.4.12-k3s1
Runc	v1.0.2
Flannel	v0.15.1
Metrics-server	v0.3.6
Traefik	v2.4.8
CoreDNS	v1.8.3
Helm-controller	v0.10.8
Local-path-provisioner	v0.0.19

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