* Build: Add KUBE_GCS_RELEASE_BUCKET_MIRROR option to push-ci-build.sh ([#28172](https://github.com/kubernetes/kubernetes/pull/28172), [@zmerlynn](https://github.com/zmerlynn))
* Image GC logic should compensate for reserved blocks ([#27996](https://github.com/kubernetes/kubernetes/pull/27996), [@ronnielai](https://github.com/ronnielai))

Ephemeral containers have been added in alpha. These temporary containers can be added to running pods for purposes such as debugging, similar to how `kubectl exec` runs a process in an existing container. Also like `kubectl exec`, no resources are reserved for ephemeral containers and they are not restarted when they exit. Note that container namespace targeting is not yet implemented, so [process namespace sharing](https://kubernetes.io/docs/tasks/configure-pod-container/share-process-namespace/)...

* enable recursive processing in kubectl edit ([#25085](https://github.com/kubernetes/kubernetes/pull/25085), [@metral](https://github.com/metral))
* Image GC logic should compensate for reserved blocks ([#27996](https://github.com/kubernetes/kubernetes/pull/27996), [@ronnielai](https://github.com/ronnielai))

my elbow.'

  On which Seven looked up and said, `That's right, Five!  Always
lay the blame on others!'

  `YOU'D better not talk!' said Five.  `I heard the Queen say only
yesterday you deserved to be beheaded!'

  `What for?' said the one who had spoken first.

  `That's none of YOUR business, Two!' said Seven.

  `Yes, it IS his business!' said Five, `and I'll tell him--it

  - Added user-owned fields in `ResourceClaim` to specify resource requirements against each device capacity.
  - Added scheduler-owned field in `ResourceClaim.Status` to specify how much device capacity is reserved for a specific request.
  - Added an additional identifier to `ResourceClaim.Status` for the device supports multiple allocations.

- GCE clusters will include some IP ranges that are not used on the public Internet in the list of non-masq IPs. Bumped ip-masq-agent version to v2.3.0 with flag `nomasq-all-reserved-ranges` turned on. ([#77458](https://github.com/kubernetes/kubernetes/pull/77458), [@grayluck](https://github.com/grayluck))

   ([#123273](https://github.com/kubernetes/kubernetes/pull/123273), [@mimowo](https://github.com/mimowo))

You can now bind tokens to service requests. ([ref](https://github.com/kubernetes/enhancements/issues/542))
* The --experimental-qos-reserve kubelet flags has been replaced by the alpha level --qos-reserved flag or the QOSReserved field in the kubeletconfig, and requires the QOSReserved feature gate to be enabled. ([#62509](https://github.com/kubernetes/kubernetes/pull/62509), [@sjenning](https://github.com/sjenning))

- To enhance usability and developer experience, CRD validation rules now support direct use of (CEL) reserved keywords as field names in object validation expressions for existing expressions in storage, will fully support runtime in next release for compatibility concern. ([#126188](https://github.com/kubernetes/kubernetes/pull/126188), [@cici37](https...

* GCE: Internal load balancer IPs are now reserved during service sync to prevent losing the address to another service. ([#51055](https://github.com/kubernetes/kubernetes/pull/51055), [@nicksardo](https://github.com/nicksardo))