sumOfProductsOfDeltas = values.sumOfProductsOfDeltas();
    } else {
      // This is a generalized version of the calculation in add(double, double) above. Note that
      // non-finite inputs will have sumOfProductsOfDeltas = NaN, so non-finite values will result
      // in NaN naturally.
      sumOfProductsOfDeltas +=
          values.sumOfProductsOfDeltas()
              + (values.xStats().mean() - xStats.mean())

- Kubeadm will cleanup the stale data on best effort basis. Stale data will be removed when each reset phase are executed, default etcd data directory will be cleanup when the `remove-etcd-member` phase are executed. ([#110972](https://github.com/kubernetes/kubernetes/pull/110972), [@chendave](https://github.com/chendave)) [SIG Cluster Lifecycle]

* If ExperimentalCriticalPodAnnotation=True flag gate is set, kubelet will ensure that pods with `scheduler.alpha.kubernetes.io/critical-pod` annotation will be admitted even under resource pressure, will not be evicted, and are reasonably protected from system OOMs. ([#41052](https://github.com/kubernetes/kubernetes/pull/41052), [@vishh](https://github.com/vishh))

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