* kubelet to master communication when doing node status updates now has a timeout to prevent indefinite hangs ([#52176](https://github.com/kubernetes/kubernetes/pull/52176), [@liggitt](https://github.com/liggitt))
* Bumped Heapster version to 1.4.3 - more details https://github.com/kubernetes/heapster/releases/tag/v1.4.3 ([#53376](https://github.com/kubernetes/kubernetes/pull/53376), [@loburm](https://github.com/loburm))

* kubeadm allows the kubelets in the cluster to automatically renew their client certificates ([#53252](https://github.com/kubernetes/kubernetes/pull/53252), [@kad](https://github.com/kad))
* Bumped Heapster version to 1.4.3 - more details https://github.com/kubernetes/heapster/releases/tag/v1.4.3. ([#53377](https://github.com/kubernetes/kubernetes/pull/53377), [@loburm](https://github.com/loburm))

- Updated defaultbackend image to 1.5. Users should concentrate on updating scripts to the new version. ([#69120](https://github.com/kubernetes/kubernetes/pull/69120), [@aledbf](https://github.com/aledbf))
- Bumped Dashboard version to v1.10.0 ([#68450](https://github.com/kubernetes/kubernetes/pull/68450), [@jeefy](https://github.com/jeefy))

- Kubernetes 1.24 bumped version of golang it is compiled with to go1.18, which introduced significant changes to its garbage collection algorithm. As a result, we observed an increase in memory usage for kube-apiserver in larger an heavily loaded clusters up to ~25% (with...

- Allowed scheduling framework plugins that implement `io.Closer` to be gracefully closed.
   ([#122498](https://github.com/kubernetes/kubernetes/pull/122498), [@Gekko0114](https://github.com/Gekko0114))
- Bumped cAdvisor to `v0.49.0`.
   ([#123599](https://github.com/kubernetes/kubernetes/pull/123599), [@bobbypage](https://github.com/bobbypage))

- Bumped `distroless-iptables` to 0.2.6 based on Go 1.20.6. ([#119365](https://github.com/kubernetes/kubernetes/pull/119365), [@xmudrii](https://github.com/xmudrii))
- Bumped metrics-server to `v0.6.3`. ([#117120](https://github.com/kubernetes/kubernetes/pull/117120), [@dgrisonnet](https://github.com/dgrisonnet))

      return false;
    }

    // This implementation is patterned after ConcurrentHashMap, but without the locking. The only
    // way for it to return a false negative would be for the target value to jump around in the map
    // such that none of the subsequent iterations observed it, despite the fact that at every point
    // in time it was present somewhere int the map. This becomes increasingly unlikely as

## Changelog since v1.4.0-beta.3

### Other notable changes

* Bumped Heapster to v1.2.0. ([#32649](https://github.com/kubernetes/kubernetes/pull/32649), [@piosz](https://github.com/piosz))
    * More details about the release https://github.com/kubernetes/heapster/releases/tag/v1.2.0

* Docker digest validation is too strict ([#32627](https://github.com/kubernetes/kubernetes/pull/32627), [@smarterclayton](https://github.com/smarterclayton))
* Bumped Heapster to v1.2.0. ([#32649](https://github.com/kubernetes/kubernetes/pull/32649), [@piosz](https://github.com/piosz))
    * More details about the release https://github.com/kubernetes/heapster/releases/tag/v1.2.0

      return false;
    }

    // This implementation is patterned after ConcurrentHashMap, but without the locking. The only
    // way for it to return a false negative would be for the target value to jump around in the map
    // such that none of the subsequent iterations observed it, despite the fact that at every point
    // in time it was present somewhere int the map. This becomes increasingly unlikely as