- Projects which use k8s.io/code-generator and invoke `generate-groups` or `generate-internal-groups.sh` have a new, simpler script (`kube_codegen.sh`) they can use.  The old scripts are deprecated but remain intact. ([#117262](https://github.com/kubernetes/kubernetes/pull/117262), [@thockin](https://github.com/thockin)) [SIG API Machinery and Instrumentation]

- Simplied validation error message for invalid fields by removing redundant field name. ([#132513](https://github.com/kubernetes/kubernetes/pull/132513), [@xiaoweim](https://github.com/xiaoweim)) [SIG API Machinery, Apps, Auth, Node and Scheduling]

    <tika:link>http://www.digitalpreservation.gov/formats/fdd/fdd000317.shtml</tika:link>
    <magic priority="50">
      <match value="SIMPLE  =                    T" type="string" offset="0"/>
      <match value="SIMPLE  =                T" type="string" offset="0"/>
    </magic>
    <glob pattern="*.fits"/>
    <glob pattern="*.fit"/>
    <glob pattern="*.fts"/>
  </mime-type>

- Add fish shell completion to kubectl. ([#92989](https://github.com/kubernetes/kubernetes/pull/92989), [@WLun001](https://github.com/WLun001))
- Add mechanism to load simple sniffer class into fluentd-elasticsearch image ([#92853](https://github.com/kubernetes/kubernetes/pull/92853), [@cosmo0920](https://github.com/cosmo0920))
- Add support for Portworx plugin to csi-translation-lib. Alpha release
  

*   An example CRD controller has been added, at [github.com/kubernetes/sample-controller](https://github.com/kubernetes/sample-controller). ([#52753](https://github.com/kubernetes/kubernetes/pull/52753),[ @munnerz](https://github.com/munnerz))

- google.golang.org/genproto/googleapis/bytestream: e85fd2c
- google.golang.org/grpc/cmd/protoc-gen-go-grpc: v1.1.0
- gopkg.in/gcfg.v1: v1.2.3
- gopkg.in/warnings.v0: v0.1.2
- rsc.io/quote/v3: v3.1.0
- rsc.io/sampler: v1.3.0



# v1.31.0-rc.1


## Downloads for v1.31.0-rc.1



### Source Code

filename | sha512 hash
-------- | -----------

- Fixed a bug where `events/v1` `Events` with similar event type and reporting instance were not aggregated by `client-go`. ([#112365](https://github.com/kubernetes/kubernetes/pull/112365), [@dgrisonnet](https://github.com/dgrisonnet))

### SIG Storage

[SIG Storage][] is responsible for storage and volume plugin components.

For the 1.8 release, SIG Storage extended the Kubernetes storage API. In addition to providing simple
volume availability, the API now enables volume resizing and snapshotting. These features are in alpha.
The SIG also focused on providing more control over storage: the ability to set requests and

CSI was first introduction as alpha in Kubernetes v1.9 and moved to beta in Kubernetes v1.10.

You can find a list of sample and production drivers in the [CSI Documentation](https://kubernetes.io/docs/concepts/storage/volumes/#csi).

- Bump addon-resizer to 1.8.7 to fix issues with using deprecated extensions APIs ([#85864](https://github.com/kubernetes/kubernetes/pull/85864), [@liggitt](https://github.com/liggitt))