* Fix incorrect retry logic in scheduler ([#50106](https://github.com/kubernetes/kubernetes/pull/50106), [@julia-stripe](https://github.com/julia-stripe))
* Enforce explicit references to API group client interfaces in clientsets to avoid ambiguity. ([#49370](https://github.com/kubernetes/kubernetes/pull/49370), [@sttts](https://github.com/sttts))

* Validate that cronjob names are 52 characters or less ([#52733](https://github.com/kubernetes/kubernetes/pull/52733), [@julia-stripe](https://github.com/julia-stripe))
* add readme file of ipvs ([#51937](https://github.com/kubernetes/kubernetes/pull/51937), [@Lion-Wei](https://github.com/Lion-Wei))



# v1.9.0-alpha.1

* Fix incorrect retry logic in scheduler ([#50106](https://github.com/kubernetes/kubernetes/pull/50106), [@julia-stripe](https://github.com/julia-stripe))

- Stopped expanding PVCs annotated with node-expand-not-required. ([#131907](https://github.com/kubernetes/kubernetes/pull/131907), [@gnufied](https://github.com/gnufied)) [SIG API Machinery, Etcd, Node, Storage and Testing]

- kube-apiserver: fixed a 1.31 regression that stopped honoring build ID overrides with the --version flag ([#126665](https://github.com/kubernetes/kubernetes/pull/126665), [@liggitt](https://github.com/liggitt)) [SIG API Machinery]

- The pod phase lifecycle guarantees that terminal Pods, those whose states are Unready or Succeeded, can not regress and will have all container stopped. Hence, terminal Pods will never be reachable and should not publish their IP addresses on the Endpoints or EndpointSlices, independently of the Service TolerateUnready option. ([#110260](https://github.com/kubernetes/kubernetes/pull/110260), [@r...

- Kube-apiserver: Fixes a 1.31 regression that stopped honoring build ID overrides with the --version flag ([#126670](https://github.com/kubernetes/kubernetes/pull/126670), [@liggitt](https://github.com/liggitt)) [SIG API Machinery]

* Add automatic etcd 3.2->3.1 and 3.1->3.0 minor version rollback support to gcr.io/google_container/etcd images. For HA clusters, all members must be stopped before performing a rollback. ([#59298](https://github.com/kubernetes/kubernetes/pull/59298), [@jpbetz](https://github.com/jpbetz))

- The pod phase lifecycle guarantees that terminal Pods, those whose states are Unready or Succeeded, can not regress and will have all container stopped. Hence, terminal Pods will never be reachable and should not publish their IP addresses on the Endpoints or EndpointSlices, independently of the Service TolerateUnready option. ([#110259](https://github.com/kubernetes/kubernetes/pull/110259), [@r...

- EndpointSlice IP validation now matches Endpoints IP validation. ([#101084](https://github.com/kubernetes/kubernetes/pull/101084), [@robscott](https://github.com/robscott)) [SIG Apps and Network]
- Fixed a bug where startupProbe stopped working after a container's first restart ([#101093](https://github.com/kubernetes/kubernetes/pull/101093), [@wzshiming](https://github.com/wzshiming)) [SIG Node]