- Shared informers now correctly propagate whether they are synced or not. Individual informer handlers may now check if they are synced or not (new `HasSynced` method). Library support is added to assist controllers in tracking whether their own work is completed for items in the initial list (`AsyncTracker`). ([#113985](https://github.com/kubernetes/kubernetes/pull/113985), [@lavalamp](https://github.com/lavalamp))

- Moved `non-graceful node` shutdown to GA. ([#118228](https://github.com/kubernetes/kubernetes/pull/118228), [@carlory](https://github.com/carlory))
- New CEL Library functions to support Kubernetes Quantities. ([#118803](https://github.com/kubernetes/kubernetes/pull/118803), [@alexzielenski](https://github.com/alexzielenski)) [SIG API Machinery]

* Update Calico version to v2.6.6 ([#58482](https://github.com/kubernetes/kubernetes/pull/58482), [@tmjd](https://github.com/tmjd))
* Correctly handle transient connection reset errors on GET requests from client library. ([#58520](https://github.com/kubernetes/kubernetes/pull/58520), [@porridge](https://github.com/porridge))

- Added alpha-level support for the SuccessPolicy in Jobs.
   ([#123412](https://github.com/kubernetes/kubernetes/pull/123412), [@tenzen-y](https://github.com/tenzen-y))
- Added the `CEL` library for IP Addresses and CIDRs. This was made available for use starting from version `1.31`.
   ([#121912](https://github.com/kubernetes/kubernetes/pull/121912), [@JoelSpeed](https://github.com/JoelSpeed))

- Fix an issue where kubectl apply could panic when imported as a library ([#122559](https://github.com/kubernetes/kubernetes/pull/122559), [@Jefftree](https://github.com/Jefftree)) [SIG CLI]

- Updated the system-validators library to v1.8.0 ([#112026](https://github.com/kubernetes/kubernetes/pull/112026), [@pacoxu](https://github.com/pacoxu))