- `kubeproxy_conntrack_reconciler_deleted_entries_total` metric can be used to track cumulative sum of conntrack flows cleared by reconciler. ([#130204](https://github.com/kubernetes/kubernetes/pull/130204), [@aroradaman](https://github.com/aroradaman))

- Updated CNI plugins to v1.7.1 ([#131602](https://github.com/kubernetes/kubernetes/pull/131602), [@adrianmoisey](https://github.com/adrianmoisey)) [SIG Cloud Provider, Node and Testing]
- Updated `conntrack` reconciler to consider a Service’s target port during cleanup of stale flow entries. ([#130542](https://github.com/kubernetes/kubernetes/pull/130542), [@aroradaman](https://github.com/aroradaman))

- New staging repo has been created for the `EndpointSlice` reconciler. ([#118953](https://github.com/kubernetes/kubernetes/pull/118953), [@mskrocki](https://github.com/mskrocki))

## Changelog since v1.26.0-rc.0

## Changes by Kind

### Bug or Regression

- Fix endpoint reconciler not being able to delete the apiserver lease on shutdown ([#114122](https://github.com/kubernetes/kubernetes/pull/114122), [@aojea](https://github.com/aojea)) [SIG API Machinery]

  // TODO(cpovirk): consider manual binary search under GWT to preserve O(log N) lookup
  @Override
  public int indexOf(@Nullable Object target) {
    int index = delegateCollection().indexOf(target);

    // TODO(kevinb): reconsider if it's really worth making feeble attempts at
    // sanity for inconsistent comparators.

    // The equals() check is needed when the comparator isn't compatible with
    // equals().

   ([#123273](https://github.com/kubernetes/kubernetes/pull/123273), [@mimowo](https://github.com/mimowo))
- Added alpha-level support for the SuccessPolicy in Jobs.

- Fixed the bug where if Endpointslices mirrored from Endpoints by the EndpointSliceMirroring controller they would not reconcile if modified. were not reconciled if modified ([#124131](https://github.com/kubernetes/kubernetes/pull/124131), [@zyjhtangtang](https://github.com/zyjhtangtang)) [SIG Apps and Network]

- kube-proxy now reconciles Service/Endpoint changes with conntrack table and cleans up only stale UDP flow entries ([#127318](https://github.com/kubernetes/kubernetes/pull/127318), [@aroradaman](https://github.com/aroradaman)) [SIG Network and Windows]

- Updated `etcd` to `v3.6.5`. ([#134251](https://github.com/kubernetes/kubernetes/pull/134251), [@joshjms](https://github.com/joshjms)) [SIG API Machinery, Cloud Provider, Cluster Lifecycle, Etcd and Testing]
- Updated `kubectl auth reconcile` to retry reconciliation when a conflict error occurs. ([#133323](https://github.com/kubernetes/kubernetes/pull/133323), [@liggitt](https://github.com/liggitt)) [SIG Auth and CLI]

### API Change

- Add --concurrent-resourceclaim-syncs to configure kube-controller-manager resource claim reconcile concurrency ([#134701](https://github.com/kubernetes/kubernetes/pull/134701), [@anson627](https://github.com/anson627)) [SIG API Machinery, Apps, Node and Testing]