- Kube-proxy no longer modifies shared EndpointSlices. ([#86092](https://github.com/kubernetes/kubernetes/pull/86092), [@robscott](https://github.com/robscott)) [SIG Network]

- Kube-proxy no longer modifies shared EndpointSlices and will not break with EndpointSlice feature gate enabled on Windows. ([#89117](https://github.com/kubernetes/kubernetes/pull/89117), [@robscott](https://github.com/robscott)) [SIG Network]

- The list-type of the alpha `resourceClaims` field introduced to `Pods` in `1.26.0` was modified from `set` to `map`, resolving an incompatibility with use of this schema in `CustomResourceDefinitions` and with server-side apply. ([#114585](https://github.com/kubernetes/kubernetes/pull/114585), [@JoelSpeed](https://github.com/JoelSpeed))

* Break the 'certificatesigningrequests' controller into a 'csrapprover' controller and 'csrsigner' controller. ([#45514](https://github.com/kubernetes/kubernetes/pull/45514), [@mikedanese](https://github.com/mikedanese))

- Fix handling of aws-load-balancer-security-groups annotation. Security-Groups assigned with this annotation are no longer modified by kubernetes which is the expected behaviour of most users. Also no unnecessary Security-Groups are created anymore if this annotation is used. ([#88691](https://github.com/kubernetes/kubernetes/pull/88691), [@Elias481](https://github.com/Elias481))...

- Fixes an issue in winkernel proxier that causes proxy rules to leak anytime service backends are modified. ([#112840](https://github.com/kubernetes/kubernetes/pull/112840), [@daschott](https://github.com/daschott)) [SIG Network and Windows]

## Changelog since v1.26.0

## Changes by Kind

### API Change

### Other notable changes

* Bump GLBC version to 0.9.5 - fixes [loss of manually modified GCLB health check settings](https://github.com/kubernetes/kubernetes/issues/47559) upon upgrade from pre-1.6.4 to either 1.6.4 or 1.6.5. ([#47567](https://github.com/kubernetes/kubernetes/pull/47567), [@nicksardo](https://github.com/nicksardo))

  - A server-side apply request that changes an object which has duplicate items in a keyed list, and modifies the duplicated item removes the duplicates and replaces them with the single item contained in the server-side apply request. ([#121575](https://github.com/kubernetes/kubernetes/pull/121575), [@apelisse](https://github.com/apelisse))

- Fixed the bug where if Endpointslices mirrored from Endpoints by the EndpointSliceMirroring controller they would not reconcile if modified. were not reconciled if modified ([#124131](https://github.com/kubernetes/kubernetes/pull/124131), [@zyjhtangtang](https://github.com/zyjhtangtang)) [SIG Apps and Network]