*[fluentd-gcp-scaler addon] Bump fluentd-gcp-scaler to 0.4 to pick up security fixes. ([#67691](https://github.com/kubernetes/kubernetes/pull/67691), [@loburm](https://github.com/loburm))
*[prometheus-to-sd addon] Bump prometheus-to-sd to 0.3.1 to pick up security fixes, bug fixes and new features.
*[event-exporter addon] Bump event-exporter to 0.2.3 to pick up security fixes.
* Fix validation for HealthzBindAddress in kube-proxy when --healthz-port is set to 0 ([#66138](https://github.com/kubernetes/kubernetes/pull/66138), [@wsong](https://github.com/wsong))
* Role, ClusterRole and their bindings for cloud-provider is put under system namespace. Their addonmanager mode switches to EnsureExists. ([#67224](https://github.com/kubernetes/kubernetes/pull/67224), [@grayluck](https://github.com/grayluck))
* Bump ip-masq-agent to v2.1.1 ([#67916](https://github.com/kubernetes/kubernetes/pull/67916), [@MrHohn](https://github.com/MrHohn))
* - Update debian-iptables image for CVEs.
* - Change chain name to IP-MASQ to be compatible with the
* pre-injected masquerade rules.
* Fix VMWare VM freezing bug by reverting [#51066](https://github.com/kubernetes/kubernetes/pull/51066)([#67825](https://github.com/kubernetes/kubernetes/pull/67825), [@nikopen](https://github.com/nikopen))
* support cross resource group for azure file ([#68117](https://github.com/kubernetes/kubernetes/pull/68117), [@andyzhangx](https://github.com/andyzhangx))
* Return apiserver panics as 500 errors instead terminating the apiserver process. ([#68001](https://github.com/kubernetes/kubernetes/pull/68001), [@sttts](https://github.com/sttts))
* Fix scheduler informers to receive events for all the pods in the cluster. ([#63003](https://github.com/kubernetes/kubernetes/pull/63003), [@bsalamat](https://github.com/bsalamat))
* attachdetach controller attaches volumes immediately when Pod's PVCs are bound ([#66863](https://github.com/kubernetes/kubernetes/pull/66863), [@cofyc](https://github.com/cofyc))
* PVC may not be synced to controller local cache in time if PV is bound by external PV binder (e.g. kube-scheduler), double check if PVC is not found to prevent reclaiming PV wrongly. ([#67062](https://github.com/kubernetes/kubernetes/pull/67062), [@cofyc](https://github.com/cofyc))
* kube-apiserver now includes all registered API groups in discovery, including registered extension API group/versions for unavailable extension API servers. ([#66932](https://github.com/kubernetes/kubernetes/pull/66932), [@nilebox](https://github.com/nilebox))
