However, the object that was returned by that delete was not the (correct) version before the update, but instead, the newer version. That meant the new object was not matched by the filter. This was a regression from behavior between cached watches on the server side and uncached watches, and thus broke downstream API clients. ([#46223](https://github.com/kubernetes/kubernetes/pull/46223), [@smarterclayton](https://github.com/smarterclayton))

* OpenAPI spec is now available in protobuf binary...

- Allowed specifying `ExternalTrafficPolicy` for `Services` with `ExternalIPs`. ([#119150](https://github.com/kubernetes/kubernetes/pull/119150), [@tnqn](https://github.com/tnqn))
- Changed kubelet logs from `error` to `info` for uncached partitions when using CRI stats provider. ([#100448](https://github.com/kubernetes/kubernetes/pull/100448), [@saschagrunert](https://github.com/saschagrunert))

* vSphere cloud provider: vSphere Storage policy Support...

  - The disk-cached discovery client is moved from k8s.io/client-go/discovery to k8s.io/client-go/discovery/cached/disk.
The memory-cached discovery client is moved from k8s.io/client-go/discovery/cached to k8s.io/client-go/discovery/cached/memory.
([#72214](https://github.com/kubernetes/kubernetes/pull/72214), [@caesarxuchao](https://github.com/caesarxuchao))

### Apps

- Fix a bug that pods not be deleted from unmatched nodes by daemon controller ([#78974](https://github.com/kubernetes/kubernetes/pull/78974), [@DaiHao](https://github.com/DaiHao))

* Check if container memory stats are available before accessing it ([#77656](https://github.com/kubernetes/kubernetes/pull/77656), [@yastij](https://github.com/yastij))
* client-go and kubectl no longer write cached discovery files with world-accessible file permissions ([#77874](https://github.com/kubernetes/kubernetes/pull/77874), [@yuchengwu](https://github.com/yuchengwu))

* kubeadm has removed `.Etcd.SelfHosting`...

- When `SchedulerQueueingHints` is enabled, clear events cached in the scheduling queue as soon as possible so that the scheduler consumes less memory. ([#120586](https://github.com/kubernetes/kubernetes/pull/120586), [@sanposhiho](https://github.com/sanposhiho)) [SIG Scheduling]

- Bumped `ProcMountType` feature to on by default beta ([#130798](https://github.com/kubernetes/kubernetes/pull/130798), [@haircommander](https://github.com/haircommander)) [SIG Node]
- Calculated pod resources are now cached when adding pods to NodeInfo in the scheduler framework, improving performance when processing unschedulable pods. ([#129635](https://github.com/kubernetes/kubernetes/pull/129635), [@macsko](https://github.com/macsko)) [SIG Scheduling]

- Added validation to reject Pods...