- The feature gate `RootCAConfigMap` graduated to GA in v1.21 and therefore will...

- Fix component status calling etcd health endpoint over http which exposed kubernetes to the risk of complete watch starvation and is inconsistent with other etcd probing done by kube-apiserver. ([#118683](https://github.com/kubernetes/kubernetes/pull/118683), [@serathius](https://github.com/serathius)) [SIG API Machinery]

- Fixed cronjob controller handling of complex schedules, like `30 6-16/4 * * 1-5`, for example. ([#118724](https://github.com/kubernetes/kubernetes/pull/118724), [@soltysh](https://github.com/soltysh))

- Fix component status calling etcd health endpoint over http which exposed kubernetes to the risk of complete watch starvation and is inconsistent with other etcd probing done by kube-apiserver. ([#119038](https://github.com/kubernetes/kubernetes/pull/119038), [@serathius](https://github.com/serathius)) [SIG API Machinery]

- Fix component status calling etcd health endpoint over http which exposed kubernetes to the risk of complete watch starvation and is inconsistent with other etcd probing done by kube-apiserver. ([#119039](https://github.com/kubernetes/kubernetes/pull/119039), [@serathius](https://github.com/serathius)) [SIG API Machinery]

- CEL regex patterns in x-kubernetes-valiation rules are compiled when CRDs are created/updated if the pattern is provided as a string constant in the expression. Any regex compile errors are reported as a CRD create/update validation error. ([#108617](https://github.com/kubernetes/kubernetes/pull/108617), [@jpbetz](https://github.com/jpbetz))

- github.com/pascaldekloe/goe: [57f6aae](https://github.com/pascaldekloe/goe/tree/57f6aae)
- github.com/pelletier/go-toml: [v1.2.0](https://github.com/pelletier/go-toml/tree/v1.2.0)
- github.com/posener/complete: [v1.1.1](https://github.com/posener/complete/tree/v1.1.1)
- github.com/prometheus/tsdb: [v0.7.1](https://github.com/prometheus/tsdb/tree/v0.7.1)
- github.com/ryanuber/columnize: [9b3edd6](https://github.com/ryanuber/columnize/tree/9b3edd6)

- List operations against the API now return internal server errors instead of partially complete lists when a value cannot be transformed from storage. The updated behavior is consistent with all other operations that require transforming data from storage such as watch and get. ([#69399](https://github.com/kubernetes/kubernetes/pull/69399),...

- github.com/mitchellh/iochan: [v1.0.0](https://github.com/mitchellh/iochan/tree/v1.0.0)
- github.com/pascaldekloe/goe: [57f6aae](https://github.com/pascaldekloe/goe/tree/57f6aae)
- github.com/posener/complete: [v1.1.1](https://github.com/posener/complete/tree/v1.1.1)
- github.com/ryanuber/columnize: [9b3edd6](https://github.com/ryanuber/columnize/tree/9b3edd6)
- github.com/sean-/seed: [e2103e2](https://github.com/sean-/seed/tree/e2103e2)

- Fix the problem where couple nodes becoming NotReady at the same time could cause master instability or even complete outage in large enough clusters. ([#88962](https://github.com/kubernetes/kubernetes/pull/88962), [@mborsz](https://github.com/mborsz)) [SIG Apps]