pkg os/signal, func Reset(...os.Signal)
pkg reflect, func ArrayOf(int, Type) Type
pkg reflect, func FuncOf([]Type, []Type, bool) Type
pkg runtime, func ReadTrace() []uint8
pkg runtime, func StartTrace() error
pkg runtime, func StopTrace()
pkg runtime, type MemStats struct, GCCPUFraction float64
pkg runtime/trace, func Start(io.Writer) error
pkg runtime/trace, func Stop()
pkg strings, func Compare(string, string) int

- kubeadm no longer dumps backtrace if it fails to remove the running containers on reset. ([#73951](https://github.com/kubernetes/kubernetes/pull/73951), [@rosti](https://github.com/rosti))

* remove spaces from kubectl describe hpa ([#56331](https://github.com/kubernetes/kubernetes/pull/56331), [@shiywang](https://github.com/shiywang))

* fluentd-es addon: multiline stacktraces are now grouped into one entry automatically ([#58063](https://github.com/kubernetes/kubernetes/pull/58063), [@monotek](https://github.com/monotek))

- Kubeadm: Strictly enabled only the supported klog flags, disallowing previously available but unrecommended options. This means that hidden flags about klog (including `--alsologtostderr`, `--log-backtrace-at`, `--log-dir`, `--logtostderr`, `--log-file`, `--log-file-max-size`, `--one-output`, `--skip-log-headers`, `--stderrthreshold` and `--vmodule`) are no longer allowed to be used. ([#125179](https://github.com/kubernetes/kubernetes/pull/125179),...