- `kubectl exec` now allows using the resource name to select a matching pod and `--pod-running-timeout` flag to wait till at least one pod is running. ([#73664](https://github.com/kubernetes/kubernetes/pull/73664), [@prksu](https://github.com/prksu))

- kubelet: Fixed a bug where kubelet wrongly drops the QOSClass field of the Pod's status when it rejects a Pod. ([#128083](https://github.com/kubernetes/kubernetes/pull/128083), [@carlory](https://github.com/carlory)) [SIG Node and Testing]

- Fix a very old issue where kubelet rejects pods with NodeAffinityFailed due to a stale informer cache. ([#134445](https://github.com/kubernetes/kubernetes/pull/134445), [@natasha41575](https://github.com/natasha41575)) [SIG Node]

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pkg syscall (netbsd-arm64-cgo), func RouteRIB(int, int) ([]uint8, error)
pkg syscall (netbsd-arm64-cgo), func Seek(int, int64, int) (int64, error)
pkg syscall (netbsd-arm64-cgo), func Select(int, *FdSet, *FdSet, *FdSet, *Timeval) error
pkg syscall (netbsd-arm64-cgo), func Sendfile(int, int, *int64, int) (int, error)
pkg syscall (netbsd-arm64-cgo), func Sendmsg(int, []uint8, []uint8, Sockaddr, int) error

   * the default config file is "e2e.yaml/toml/json/..." and the test starts when no such config is found (as before) but if -viper-config is used, the config file must exist
   * -viper-config can be used to select a file with full path, with or without file suffix
   * the csiImageVersion/Registry flags were renamed to storage.csi.imageVersion/Registry

- The Kubernetes API server now correctly detects and closes existing TLS connections when its client certificate file for kubelet authentication has been rotated. ([#115567](https://github.com/kubernetes/kubernetes/pull/115567), [@enj](https://github.com/enj)) [SIG API Machinery, Node and Testing]...

- The deprecated flag `--lock-object-namespace` and `--lock-object-name` have been removed from kube-scheduler. Please use `--leader-elect-resource-namespace` and `--leader-elect-resource-name` or ComponentConfig instead to configure those parameters. ([#119130](https://github.com/kubernetes/kubernetes/pull/119130), [@SataQiu](https://github.com/SataQiu)) [SIG Scheduling]

HorizontalPodAutoscaler added a `spec.behavior` field that allows scale behavior to be configured. Behaviors are specified separately for scaling up and down. In each direction a stabilization window can be specified as well as a list of policies and how to select amongst them. Policies can limit the absolute number of pods added or removed, or the percentage of pods added or removed. ([#74525](https://github.com/kubernetes/kubernetes/pull/74525), [@gliush](https://github.com/gliush)) [SIG API Machinery, Apps,...

- The Kubernetes API server now correctly detects and closes existing TLS connections when its client certificate file for kubelet authentication has been rotated. ([#115580](https://github.com/kubernetes/kubernetes/pull/115580), [@enj](https://github.com/enj)) [SIG API Machinery, Node and Testing]...