* Update Calico version to v2.6.6 ([#58482](https://github.com/kubernetes/kubernetes/pull/58482), [@tmjd](https://github.com/tmjd))
* Fix garbage collection and resource quota when the controller-manager uses --leader-elect=false ([#57340](https://github.com/kubernetes/kubernetes/pull/57340), [@jmcmeek](https://github.com/jmcmeek))

* Allow kubernetes components to react to SIGTERM signal and shutdown gracefully. ([#57756](https://github.com/kubernetes/kubernetes/pull/57756), [@mborsz](https://github.com/mborsz))

- Fixed garbage collection of dangling VolumeAttachments for PersistentVolumes migrated to CSI on startup of kube-controller-manager. ([#102176](https://github.com/kubernetes/kubernetes/pull/102176), [@timebertt](https://github.com/timebertt)) [SIG Apps and Storage]

- Potentially breaking change - Updating the polling interval for Windows stats collection from 1 second to 10 seconds ([#116546](https://github.com/kubernetes/kubernetes/pull/116546), [@marosset](https://github.com/marosset)) [SIG Node and Windows]

- When client certificate files are provided, reload files for new connections, and close connections when a certificate changes. ([#79083](https://github.com/kubernetes/kubernetes/pull/79083), [@jackkleeman](https://github.com/jackkleeman)) [SIG API Machinery, Auth, Node and Testing]

* Fix a bug affecting nested data volumes such as secret, configmap, etc. ([#57422](https://github.com/kubernetes/kubernetes/pull/57422), [@joelsmith](https://github.com/joelsmith))
* Fix garbage collection and resource quota when the controller-manager uses --leader-elect=false ([#57340](https://github.com/kubernetes/kubernetes/pull/57340), [@jmcmeek](https://github.com/jmcmeek))

feature gate to `true` (it is disabled by default). An API server fronted by an L7 load balancer that already mitigates these http/2 attacks may choose not to enable the kube-apiserver mitigation to avoid disrupting load balancer → kube-apiserver connections if http/2 requests from multiple clients share the same backend connection. An API server on a private network may choose not to enable the kube-apiserver mitigation to prevent performance regressions for unauthenticated clients. Authenticated requests...

## Changelog since v1.13.5

### Other notable changes

* Connections from Pods to Services with 0 endpoints will now ICMP reject immediately, rather than blackhole and timeout. ([#72534](https://github.com/kubernetes/kubernetes/pull/72534), [@thockin](https://github.com/thockin))

- github.com/docker/docker: [be7ac8b → aa6a989](https://github.com/docker/docker/compare/be7ac8b...aa6a989)
- github.com/docker/go-connections: [v0.3.0 → v0.4.0](https://github.com/docker/go-connections/compare/v0.3.0...v0.4.0)
- github.com/evanphx/json-patch: [v4.2.0+incompatible → e83c0a1](https://github.com/evanphx/json-patch/compare/v4.2.0...e83c0a1)

- Fixed garbage collection of dangling VolumeAttachments for PersistentVolumes migrated to CSI on startup of kube-controller-manager. ([#102176](https://github.com/kubernetes/kubernetes/pull/102176), [@timebertt](https://github.com/timebertt)) [SIG Apps and Storage]