* Fix a scheduler panic due to internal cache inconsistency ([#71063](https://github.com/kubernetes/kubernetes/pull/71063), [@Huang-Wei](https://github.com/Huang-Wei))
* apiserver: fixes handling and logging of panics in REST handlers to prevent crashes ([#71076](https://github.com/kubernetes/kubernetes/pull/71076), [@liggitt](https://github.com/liggitt))

* apiserver: fixes handling and logging of panics in REST handlers to prevent crashes ([#71076](https://github.com/kubernetes/kubernetes/pull/71076), [@liggitt](https://github.com/liggitt))

- Fixed client IP preservation for NodePort service with protocol SCTP in ipvs. ([#104756](https://github.com/kubernetes/kubernetes/pull/104756), [@tnqn](https://github.com/tnqn))
- Fixed concurrent map access causing panics when logging timed-out API calls. ([#105734](https://github.com/kubernetes/kubernetes/pull/105734), [@marseel](https://github.com/marseel))
- Fixed consolidate logs for `instance not found` error

* [fluentd-gcp addon] Bump version of fluentd-gcp to 2.0.18 to include latest security fixes. ([#67693](https://github.com/kubernetes/kubernetes/pull/67693), [@loburm](https://github.com/loburm))
* Return apiserver panics as 500 errors instead terminating the apiserver process. ([#68001](https://github.com/kubernetes/kubernetes/pull/68001), [@sttts](https://github.com/sttts))

- K8s.io/component-base/logs: usage of the pflag values in a normal Go flag set led to panics when printing the help message ([#114680](https://github.com/kubernetes/kubernetes/pull/114680), [@pohly](https://github.com/pohly)) [SIG Instrumentation]

- Fix a bug that `--disabled-metrics` doesn't function well. (#105793, @Huang-Wei) [SIG API Machinery, Cluster Lifecycle and Instrumentation]
- Fix a panic in kubectl when creating secrets with an improper output type (#106356, @lauchokyip) [SIG CLI]
- Fix concurrent map access causing panics when logging timed-out API calls. (#106112, @marseel) [SIG API Machinery]

- Kubeadm: Added missing cluster-info context validation to prevent panics when the user has a malformed kubeconfig in the cluster-info ConfigMap that excludes a valid current context. ([#134715](https://github.com/kubernetes/kubernetes/pull/134715), [@neolit123](https://github.com/neolit123))

- K8s.io/apimachinery/pkg/util/runtime: Added support for new calls to handle panics and errors in the context where they occur. `PanicHandlers` and `ErrorHandlers` now must accept a context parameter for that. Log output is structured instead of unstructured. ([#121970](https://github.com/kubernetes/kubernetes/pull/121970), [@po...

* Add aggregator_unavailable_apiservice_{count,gauge} metrics in the kube-aggregator. ([#71380](https://github.com/kubernetes/kubernetes/pull/71380), [@sttts](https://github.com/sttts))
* Fixes apiserver nil pointer panics when requesting v2beta1 autoscaling object metrics ([#71744](https://github.com/kubernetes/kubernetes/pull/71744), [@yue9944882](https://github.com/yue9944882))

* Fixed a race condition in k8s.io/client-go/tools/cache.SharedInformer that could violate the sequential delivery guarantee and cause panics on shutdown. ([#59828](https://github.com/kubernetes/kubernetes/pull/59828), [@krousey](https://github.com/krousey))