- "kubectl delete" no longer waits for dependent objects to be deleted when removing parent resources ([#65908](https://github.com/kubernetes/kubernetes/pull/65908), [@juanvallejo](https://github.com/juanvallejo))
- A new flag, `--keepalive`, has been introduced, for kubectl proxy to allow setting keep-alive period for long-running request. ([#63793](https://github.com/kubernetes/kubernetes/pull/63793), [@hzxuzhonghu](https://github.com/hzxuzhonghu))

pkg net, method (*DNSConfigError) Unwrap() error
pkg net, method (*OpError) Unwrap() error
pkg net, type DNSError struct, IsNotFound bool
pkg net, type ListenConfig struct, KeepAlive time.Duration
pkg net/url, method (*Error) Unwrap() error
pkg os/exec, method (*Cmd) String() string
pkg os/exec, method (*Error) Unwrap() error
pkg os, func UserConfigDir() (string, error)