- For Dynamic Resource Allocation, labels in node selectors now are validated. Invalid labels already caused runtime errors before and are unlikely to occur in practice. ([#128932](https://github.com/kubernetes/kubernetes/pull/128932), [@pohly](https://github.com/pohly))

you see, Alice had learnt several things of this sort in her
lessons in the schoolroom, and though this was not a VERY good
opportunity for showing off her knowledge, as there was no one to
listen to her, still it was good practice to say it over) `--yes,
that's about the right distance--but then I wonder what Latitude
or Longitude I've got to?'  (Alice had no idea what Latitude was,
or Longitude either, but thought they were nice grand words to
say.)

- Fixed admission...

* kubeadm has removed `.Etcd.SelfHosting` from its configuration API. It was never used in practice ([#63871](https://github.com/kubernetes/kubernetes/pull/63871), [@luxas](https://github.com/luxas))

  - The deprecated `--etcd-quorum-read` flag has been removed. Quorum reads are now always enabled when fetching data from etcd. Remove...

4. If you want *faster* PR reviews, read how: https://git.k8s.io/community/contributors/guide/pull-requests.md#best-practices-for-faster-reviews
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#### What type of PR is this?

<!--

  - increases the weight of user specifiable priorities.
  The weights of following priority plugins are increased
    - `TaintTolerations` to 3 - as leveraging node tainting to group nodes in the cluster is becoming a widely-adopted practice
    - `NodeAffinity` to 2
    - `InterPodAffinity` to 2
  

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Guava is a set of core Java libraries from Google that includes new collection

   *
   * <p>The default implementation throws {@code NoSuchElementException}.
   *
   * @return the minimum value of type {@code C}; never null
   * @throws NoSuchElementException if the type has no (practical) minimum value; for example,
   *     {@link java.math.BigInteger}
   */
  @CanIgnoreReturnValue
  public C minValue() {
    throw new NoSuchElementException();
  }

  /**

- Recording timing traces had a race condition. Impact in practice was probably low. ([#117139](https://github.com/kubernetes/kubernetes/pull/117139), [@pohly](https://github.com/pohly)) [SIG API Machinery, Architecture, Auth, CLI, Cloud Provider, Cluster Lifecycle, Instrumentation, Network, Node and Storage]