- If a user attempts to add an ephemeral container to a static pod, they will now get a visible validation error. ([#114086](https://github.com/kubernetes/kubernetes/pull/114086), [@xmcqueen](https://github.com/xmcqueen))

* GCE: Fix for internal load balancer management resulting in backend services with outdated instance group links. ([#62887](https://github.com/kubernetes/kubernetes/pull/62887), [@nicksardo](https://github.com/nicksardo))
* Fix user visible files creation for windows ([#62375](https://github.com/kubernetes/kubernetes/pull/62375), [@feiskyer](https://github.com/feiskyer))

- Prevent watch cache starvation by moving its watch to separate RPC and add a SeparateCacheWatchRPC feature flag to disable this behavior ([#123694](https://github.com/kubernetes/kubernetes/pull/123694), [@mengqiy](https://github.com/mengqiy)) [SIG API Machinery]

- Fixed an issue where the `configmap`, `secret`, `projected`, and `downwardAPI` volume types didn't create user-visible files after a kubelet restart. This fix ensures data persistence and accessibility after restarts. ([#122807](https://github.com/kubernetes/kubernetes/pull/122807), [@carlory](https://github.com/carlory))

`false` (it is enabled by default). An API server fronted by an L7 load balancer that already mitigates these http/2 attacks may choose to disable the kube-apiserver mitigation to avoid disrupting load balancer -> kube-apiserver connections if http/2 requests from multiple clients share the same backend connection. An API server on a private network may opt to disable the kube-apiserver mitigation to prevent performance regressions for unauthenticated clients. Authenticated requests rely on the fix in...

- API Server tracing root span name for opentelemetry is changed from `KubernetesAPI` to `HTTP GET`. ([#112545](https://github.com/kubernetes/kubernetes/pull/112545), [@dims](https://github.com/dims))