- Promote NodeLease feature to GA.
The feature make Lease object changes an additional healthiness signal from Node. Together with that, we reduce frequency of NodeStatus updates to 5m by default in case of no changes to status itself ([#84351](https://github.com/kubernetes/kubernetes/pull/84351), [@wojtek-t](https://github.com/wojtek-t))

    String INDEX_REINDEX_REFRESH = "index.reindex.refresh";

    /** The key of the configuration. e.g. 1m */
    String INDEX_REINDEX_TIMEOUT = "index.reindex.timeout";

    /** The key of the configuration. e.g. 5m */
    String INDEX_REINDEX_SCROLL = "index.reindex.scroll";

    /** The key of the configuration. e.g.  */
    String INDEX_REINDEX_max_docs = "index.reindex.max_docs";

- Kubeadm: Fixed a regression where the JoinConfiguration.discovery.timeout was no longer respected and the value was always hardcoded to "5m" (5 minutes). ([#125480](https://github.com/kubernetes/kubernetes/pull/125480), [@neolit123](https://github.com/neolit123))
- Kubeadm: Removed support for mounting /etc/pki as an additional Linux system CA location

- Kubeadm: fixed a regression where the JoinConfiguration.discovery.timeout was no longer respected and the value was always hardcoded to "5m" (5 minutes). ([#125481](https://github.com/kubernetes/kubernetes/pull/125481), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]