* kubeadm: preflight checks on external etcd certificates are now skipped when joining a control-plane node with automatic copy of cluster certificates (--certificate-key) ([#75847](https://github.com/kubernetes/kubernetes/pull/75847), [@fabriziopandini](https://github.com/fabriziopandini))

useUTC","getUTCMonth","getUTCDate","getFullYear","getMonth","getDate","weekYear","temp","weekdayOverflow","curWeek","GG","W","E","createLocal","_week","gg","_dayOfYear","dayOfYearFromWeekInfo","_nextDay","ms","setFullYear","ISO_8601","RFC_2822","skipped","stringLength","totalParsedInputLength","hour","isPm","meridiemHour","meridiemFixWrap","erasConvertYear","prepareConfig","preparse","tempConfig","bestMoment","scoreToBeat","currentScore","validFormatFound","bestFormatIsValid","score","configFrom...

- Fixed a 1.26 regression scheduling bug by ensuring that preemption is skipped when a PreFilter plugin returns `UnschedulableAndUnresolvable` ([#119952](https://github.com/kubernetes/kubernetes/pull/119952), [@sanposhiho](https://github.com/sanposhiho)) [SIG Scheduling]

### Etcd v3.5.[0-2] data corruption

Data corruption issue was found in etcd v3.5.0 release that was shipped with 1.22 Kubernetes release. Please read up-to-date [production recommendations for etcd](https://github.com/etcd-io/etcd/tree/main/CHANGELOG).

## Urgent Upgrade Notes 

- Fixed a 1.26 regression scheduling bug by ensuring that preemption is skipped when a PreFilter plugin returns `UnschedulableAndUnresolvable` ([#119951](https://github.com/kubernetes/kubernetes/pull/119951), [@sanposhiho](https://github.com/sanposhiho)) [SIG Scheduling]

- Fixed a 1.26 regression scheduling bug by ensuring that preemption is skipped when a PreFilter plugin returns `UnschedulableAndUnresolvable` ([#119953](https://github.com/kubernetes/kubernetes/pull/119953), [@sanposhiho](https://github.com/sanposhiho)) [SIG Scheduling]

to not return an error when the specified target can be detected as not a mount point. On Linux, the behavior of detecting a mount point depends on `umount` command is validated when the mounter is created. Additionally, mount point checks will be skipped in CleanupMountPoint/CleanupMountWithForce if the mounter's Unmount having the changed behavior of not returning error when target is not a mount point. ([#109676](https://github.com/kubernetes/kubernetes/pull/109676), [@cartermckinnon](https://g...

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