* Custom Metrics for Autoscaling (HorizontalPodAutoscaler API in the Autoscaling
API group): The Horizontal Pod Autoscaling feature now supports custom metrics
(Alpha), allowing you to specify application-level metrics and thresholds to
trigger scaling up and down the number of pods in your application.
  * <strong>New GUI</strong> (dashboard) allows you to get started quickly and enables the same

switch to square-and-double once the exponent is large // enough to justify the cost of the multiplications. // The threshold is selected experimentally as a linear function of n. threshold := n / 4 // We calculate how many of the most-significant bits of the exponent we can // compute before crossing the threshold, and we do it with doublings. i := bits.UintSize for logR>>i <= threshold { i-- } for k := uint(0); k < logR>>i; k++ { rr.Add(rr, m) } // Then we process the remaining bits of the exponent...

* Fix detection of docker cgroup on RHEL ([#25907](https://github.com/kubernetes/kubernetes/pull/25907), [@ncdc](https://github.com/ncdc))
* Kubelet evicts pods when available memory falls below configured eviction thresholds ([#25772](https://github.com/kubernetes/kubernetes/pull/25772), [@derekwaynecarr](https://github.com/derekwaynecarr))

* Eviction thresholds set to 0% or 100% will turn off eviction. ([#59681](https://github.com/kubernetes/kubernetes/pull/59681), [@mtaufen](https://github.com/mtaufen))

- Users will now be able to configure all supported values for AWS NLB health check interval and thresholds for new resources. ([#96312](https://github.com/kubernetes/kubernetes/pull/96312), [@kishorj](https://github.com/kishorj)) [SIG Cloud Provider]