- Kube-apiserver: fixes a potential crash serving CustomResourceDefinitions that combine an invalid schema and CEL validation rules. ([#126167](https://github.com/kubernetes/kubernetes/pull/126167), [@cici37](https://github.com/cici37)) [SIG API Machinery and Testing]

* kube-apiserver: fixed a bug that could cause a goroutine leak if the apiserver encountered an encoding error serving a watch to a websocket watcher ([#84693](https://github.com/kubernetes/kubernetes/pull/84693), [@tedyu](https://github.com/tedyu))

- kube-controller-manager and cloud-controller-manager now hold generated serving certificates in-memory unless a writeable location is specified with --cert-dir ([#69884](https://github.com/kubernetes/kubernetes/pull/69884), [@liggitt](https://github.com/liggitt))

- Kube-apiserver: fixes a 1.27+ regression in watch stability by serving watch requests without a resourceVersion from the watch cache by default, as in <1.27 (disabling the change in #115096 by default). This mitigates the impact of an etcd watch bug (https://github.com/etcd-io/etcd/pull/17555). If the 1.27 change in...

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"sekalipun", "sesekali", "sekaligus", "sekarang", "sekarang", "sekitar", "sekitarnya", "sela", "selain", "selalu", "seluruh", "seluruhnya", "semakin", "sementara", "sempat", "semua", "semuanya", "sendiri", "sendirinya", "seolah", "seperti", "sepertinya", "sering", "seringnya", "serta", "siapa", "siapakah", "siapapun", "disini", "disinilah", "sini", "sinilah", "sesuatu", "sesuatunya", "suatu", "sesudah", "sesudahnya", "sudah", "sudahkah", "sudahlah", "supaya", "tadi", "tadinya", "tak", "tanpa", "setelah",...

* stop kubelet to cloud provider integration potentially wedging kubelet sync loop ([#62543](https://github.com/kubernetes/kubernetes/pull/62543), [@ingvagabund](https://github.com/ingvagabund))

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        * requests from a node for a TLS serving certificate for itself are approved if the CSR creator has `create` permission on the `certificatesigningrequests` resource and the `selfnodeserver` subresource in the `certificates.k8s.io` API group

([#57902](https://github.com/kubernetes/kubernetes/pull/57902), [@kawych](https://github.com/kawych))

* On cluster provision or upgrade, kubeadm now generates certs and secures all connections to the etcd static-pod with mTLS. This includes the etcd serving cert, the etcd peer cert, and the apiserver etcd client cert. Flags and hostMounts are added to the etcd and apiserver static-pods to load these certs. For connections to etcd, https is now used in favor of http. ([#57415](https://github.com/kube...