v1.27.1+k3s1

This release is K3S's first in the v1.27 line. This release updates Kubernetes to v1.27.1.

Before upgrading from earlier releases, be sure to read the Kubernetes Urgent Upgrade Notes.

Changes since v1.26.4+k3s1:

• Kubernetes 1.27.1 (#7271)
• V1.27.1 CLI Deprecation (#7311)
  • --flannel-backed=wireguard has been completely replaced with --flannel-backend=wireguard-native
  • The k3s etcd-snapshot command will now print a help message, to save a snapshot use: k3s etcd-snapshot save
  • The following flags will now cause fatal errors (with full removal coming in v1.28.0):
    • --flannel-backed=ipsec: replaced with --flannel-backend=wireguard-native see docs for more info.
    • Supplying multiple --flannel-backend values is no longer valid. Use --flannel-conf instead.
• Changed command -v redirection for iptables bin check (#7315)
• Update channel server for april 2023 (#7327)
• Bump cri-dockerd (#7347)
• Cleanup help messages (#7369)

Embedded Component Versions

Component	Version
Kubernetes	v1.27.1
Kine	v0.9.9
SQLite	3.39.2
Etcd	v3.5.7-k3s1
Containerd	v1.6.19-k3s1
Runc	v1.1.5
Flannel	v0.21.4
Metrics-server	v0.6.2
Traefik	v2.9.4
CoreDNS	v1.10.1
Helm-controller	v0.13.3
Local-path-provisioner	v0.0.24

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