* At Metadata audit level or higher, an annotation with key "mutation.webhook.admission.k8s.io/round_{round idx}_index_{order idx}" gets logged with JSON payload indicating a webhook gets invoked for given request and whether it mutated the object or not.

itself. // //go:noinline func newGCM(g *GCM, cipher *aes.Block, nonceSize, tagSize int) (*GCM, error) { if tagSize < gcmMinimumTagSize || tagSize > gcmBlockSize { return nil, errors.New("cipher: incorrect tag size given to GCM") } if nonceSize <= 0 { return nil, errors.New("cipher: the nonce can't have zero length") } if cipher.BlockSize() != gcmBlockSize { return nil, errors.New("cipher: NewGCM requires 128-bit block cipher") } g.cipher = *cipher g.nonceSize = nonceSize g.tagSize = tagSize initGCM(g)...

- Kube-apiserver: gzip compression switched from level 4 to level 1 to improve large list call latencies in exchange for higher network bandwidth usage (10-50% higher). This increases the headroom before very large unpaged list calls exceed request timeout limits. ([#112398](https://github.com/kubernetes/kubernetes/pull/112398), [@shyamjvs](https://github.com/shyamjvs)) [SIG API Machinery]

- the IP allocator in v1.17.0 can return errors such as `the cluster IP <ip> for service <service-name> is not within the service CIDR <cidr>;...

* Some users, especially those with very large clusters, may see higher memory usage by the kube-controller-manager in 1.10. ([#61041](https://github.com/kubernetes/kubernetes/issues/61041))

  - Use of the `--node-labels` flag to set labels under the `kubernetes.io/`...

  required: [Windows Server vNext Insider Preview Build 19551](https://blogs.windows.com/windowsexperience/2020/01/28/announcing-windows-server-vnext-insider-preview-build-19551/) (or higher) ([#91701](https://github.com/kubernetes/kubernetes/pull/91701), [@elweb9858](https://github.com/elweb9858)) [SIG Network and Windows]

    * <a href="https://fastapi.tiangolo.com/tutorial/bigger-applications/" class="external-link" target="_blank">Tutorial - Bigger Applications</a>.

### Bug or Regression

- ## Changelog
  
  ### General
  - Fix priority expander falling back to a random choice even though there is a higher priority option to choose
  - Clone `kubernetes/kubernetes` in `update-vendor.sh` shallowly, instead of fetching all revisions

</p>

<pre>
a[low : high]
</pre>

<p>
constructs a substring or slice.
The <i>indices</i> <code>low</code> and
<code>high</code> select which elements of operand <code>a</code> appear
in the result. The result has indices starting at 0 and length equal to
<code>high</code>&nbsp;-&nbsp;<code>low</code>.
After slicing the array <code>a</code>
</p>