- The --docker-disable-shared-pid kubelet flag has been removed. PID namespace sharing can instead be enable per-pod using the ShareProcessNamespace option. ([#66506](https://github.com/kubernetes/kubernetes/pull/66506), [@verb](https://github.com/verb))
- Added the --dns-loop-detect option to dnsmasq, which is run by kube-dns. ([#67302](https://github.com/kubernetes/kubernetes/pull/67302), [@dixudx](https://github.com/dixudx))

- Kubectl/drain: add disable-eviction option.Force drain to use delete, even if eviction is supported. This will bypass checking PodDisruptionBudgets, and should be used with caution. ([#85571](https://github.com/kubernetes/kubernetes/pull/85571), [@michaelgugino](https://github.com/michaelgugino)) [SIG CLI]

#### Storage

* [stable] Mount options

  * The ability to specify mount options for volumes is moved from beta to stable.

  * A new `MountOptions` field in the `PersistentVolume` spec is available to specify mount options. This field replaces an annotation.

  * A new `MountOptions` field in the `StorageClass` spec allows configuration of mount options for dynamically provisioned volumes.

- A new kubelet command line option, `--reserved-cpus`, is introduced to explicitly define the CPU list that will be reserved for system. For example, if `--reserved-cpus=0,1,2,3` is specified, then cpu 0,1,2,3 will be reserved for the system.  On a system with 24 CPUs, the user may specify `isolcpus=4-23` for the kernel option and use CPU 4-23 for the user containers. ([#83592](https://github.com/kubernetes/kubernetes/pull/83592),...

- Added new annotation `batch.kubernetes.io/cronjob-scheduled-timestamp` to Job objects scheduled from CronJobs. ([#118137](https://github.com/kubernetes/kubernetes/pull/118137), [@helayoty](https://github.com/helayoty))

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