Kubernetes - v1.26.9

Changelog since v1.26.8

Changes by Kind

API Change

• Fixed a bug where CEL expressions in CRD validation rules would incorrectly compute a high estimated cost for functions that return strings, lists or maps.
  The incorrect cost was evident when the result of a function was used in subsequent operations. (#119810, @jpbetz) [SIG API Machinery, Auth and Cloud Provider]
• Mark Job onPodConditions as optional in pod failure policy (#120210, @mimowo) [SIG API Machinery and Apps]

Feature

• Kubernetes is now built with Go 1.20.8 (#120496, @cpanato) [SIG Release and Testing]

Bug or Regression

• Cherry-pick #115769: Fix the problem Pod terminating stuck because of trying to umount not actual mounted dir. (#119831, @cartermckinnon) [SIG Node and Storage]
• Fix a concurrent map access in TopologyCache's HasPopulatedHints method. (#120324, @Miciah) [SIG Apps and Network]
• Fixed a 1.26 regression scheduling bug by ensuring that preemption is skipped when a PreFilter plugin returns UnschedulableAndUnresolvable (#119953, @sanposhiho) [SIG Scheduling]
• Fixes a bug where images pinned by the container runtime can be garbage collected by kubelet. (#120055, @ruiwen-zhao) [SIG Node]
• Fixes issue https://github.com/kubernetes-sigs/cloud-provider-azure/issues/4230 and removes the additional filtering on NotReady nodes by the azure cloud provider code (#119128, @alexanderConstantinescu) [SIG Cloud Provider]
• Fixes regression in 1.26.5 causing running pods with devices to be terminated if kubelet is restarted (#119706, @ffromani) [SIG Node and Testing]
• Ignore context canceled from validate and mutate webhook (#120019, @divyasri537) [SIG API Machinery]
• Kubeadm: fix nil pointer when etcd member is already removed (#120012, @neolit123) [SIG Cluster Lifecycle]

Other (Cleanup or Flake)

• When retrieving event resources, the reportingController and reportingInstance fields in the event will contain values. (#120066, @HirazawaUi) [SIG Instrumentation]

Dependencies

Added

Nothing has changed.

Changed

• github.com/google/cel-go: v0.12.6 → v0.12.7
• go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp: v0.35.0 → v0.35.1

Removed

Nothing has changed.