### Other (Cleanup or Flake)

- Build: Bump kube-cross to v1.12.17-2 ([#90760](https://github.com/kubernetes/kubernetes/pull/90760), [@justaugustus](https://github.com/justaugustus)) [SIG Release]
- Reduce event spam during a volume operation error. ([#89794](https://github.com/kubernetes/kubernetes/pull/89794), [@msau42](https://github.com/msau42)) [SIG Storage]


# v1.15.11

[Documentation](https://docs.k8s.io)

  // Values with non-UTF-8 byte sequences must use the BinaryData field.
  // The keys stored in Data must not overlap with the keys in
  // the BinaryData field, this is enforced during validation process.
  // +optional
  map<string, string> data = 2;

  // BinaryData contains the binary data.
  // Each key must consist of alphanumeric characters, '-', '_' or '.'.

  
  kubelet also ignores an error during opening `/dev/kmsg`.
  This feature gate also allows kube-proxy to ignore an error during setting `RLIMIT_NOFILE`.
  

If the list request contained label or field selectors, then the number of remaining items is unknown and the field will be left unset and omitted during serialization. If the list is complete (either because it is not chunking or because this is the last chunk), then there are no more remaining items and this field will be left unset and omitted during serialization. Servers older than v1.15 do not set this field. The intended use of the remainingItemCount is *estimating* the size of a collection....

- Remove ready file and its directory (which is created during volume SetUp) during emptyDir volume TearDown. ([#95770](https://github.com/kubernetes/kubernetes/pull/95770), [@jingxu97](https://github.com/jingxu97)) [SIG Storage]

### Other (Cleanup or Flake)

## Known Issues

* If you need to downgrade from 1.10 to 1.9.x, downgrade to v1.9.6 to ensure PV and PVC objects can be deleted properly.

correct these files before upgrading.** When specifying keys in JSON resource definitions during direct API server communication, the keys are case-sensitive. A bug introduced in Kubernetes 1.8 caused the API server to accept a request with incorrect case and coerce it to correct case, but this behaviour has been fixed in 1.11 and the API server will once again be enforcing the correct case. It’s worth noting that during this time, the `kubectl` tool continued to enforce case-sensitive keys, so users that...

  2. Pass runtimeHandler field in RemoveImage() call to container runtime in kubelet's image garbage collection ([#121456](https://github.com/kubernetes/kubernetes/pull/121456), [@kiashok](https://github.com/kiashok)) [SIG Node and Windows]
- Adds `apiextensions_apiserver_update_ratcheting_time` metric for tracking time taken during requests by feature `CRDValidationRatcheting` ([#12146

## Changelog since v1.23.14

## Changes by Kind

### Feature

- Kubeadm: use the image registry registry.k8s.io instead of k8s.gcr.io for new clusters. During upgrade, migrate users to registry.k8s.io if they were using the default of k8s.gcr.io. ([#113393](https://github.com/kubernetes/kubernetes/pull/113393), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

## Changelog since v1.6.3

### Other notable changes

* Fix kubelet panic during disk eviction introduced in 1.6.3. ([#46049](https://github.com/kubernetes/kubernetes/pull/46049), [@enisoc](https://github.com/enisoc))