- Removed the `GRPCContainerProbe` feature gate (the feature is stable and always enabled) ([#120248](https://github.com/kubernetes/kubernetes/pull/120248), [@pacoxu](https://github.com/pacoxu)) [SIG API Machinery, CLI and Node]
- Rename apiserver_request_body_sizes metric to apiserver_request_body_size_bytes ([#120503](https://github.com/kubernetes/kubernetes/pull/120503), [@dgrisonnet](https://github.com/dgrisonnet)) [SIG API Machinery]

* kubeadm will pull required images during preflight checks if it cannot find them on the system ([#64105](https://github.com/kubernetes/kubernetes/pull/64105), [@chuckha](https://github.com/chuckha))
* kubeadm: rename the addon parameter `kube-dns` to `coredns` for `kubeadm alpha phases addons` as CoreDNS is now the default DNS server in 1.11. ([#64274](https://github.com/kubernetes/kubernetes/pull/64274), [@neolit123](https://github.com/neolit123))

- Remove deprecated kubectl.kubernetes.io/default-logs-container support ([#109254](https://github.com/kubernetes/kubernetes/pull/109254), [@pacoxu](https://github.com/pacoxu)) [SIG CLI]

- Rename PodHasNetwork to PodReadyToStartContainers ([#117702](https://github.com/kubernetes/kubernetes/pull/117702), [@kannon92](https://github.com/kannon92)) [SIG Node and Testing]

### Bug or Regression

pkg os, func Pipe() (*File, *File, error)
pkg os, func Readlink(string) (string, error)
pkg os, func Remove(string) error
pkg os, func RemoveAll(string) error
pkg os, func Rename(string, string) error
pkg os, func SameFile(FileInfo, FileInfo) bool
pkg os, func Setenv(string, string) error
pkg os, func StartProcess(string, []string, *ProcAttr) (*Process, error)