- Profiling is enabled by default in the scheduler ([#84835](https://github.com/kubernetes/kubernetes/pull/84835), [@denkensk](https://github.com/denkensk))
- Scheduler now reports metrics on cache size including nodes, pods, and assumed pods ([#83508](https://github.com/kubernetes/kubernetes/pull/83508), [@damemi](https://github.com/damemi))

Service Level Indicators (SLIs) and Service Level Objectives (SLOs) for the system.
Here's the release [scalability validation report].

[SIG Scalability]: https://github.com/kubernetes/community/tree/master/sig-scalability
[scalability validation report]: https://github.com/kubernetes/sig-release/blob/master/releases/release-1.8/scalability_validation_report.md

### SIG Scheduling

* The maximum number of images the Kubelet will report in the Node status can now be controlled via the Kubelet's `--node-status-max-images` flag. The default (50) remains the same. ([#64170](https://github.com/kubernetes/kubernetes/pull/64170), [@mtaufen](https://github.com/mtaufen))

- The maximum number of ports allowed in EndpointSlices has been increased from 100 to 20,000 ([#99795](https://github.com/kubernetes/kubernetes/pull/99795), [@robscott](https://github.com/robscott)) [SIG Network]

  as `potential` node. ([#120871](https://github.com/kubernetes/kubernetes/pull/120871), [@pohly](https://github.com/pohly))
- `kube-proxy` now reports its health more accurately in dual-stack clusters when there are problems with only one IP family. ([#118146](https://github.com/kubernetes/kubernetes/pull/118146), [@aroradaman](https://github.com/aroradaman))

- Added a kubelet metric `container_aligned_compute_resources_count`  to report the count of containers getting aligned compute resources. ([#127155](https://github.com/kubernetes/kubernetes/pull/127155), [@ffromani](https://github.com/ffromani)) [SIG Node and Testing]

      - kubelet_imagemanager_ondisk_pullintents - the number of pull intent records currently kept on disk
      - kubelet_imagemanager_ondisk_pulledrecords - the number of image pulled records currently kept on disk

name: Bug Report
description: Report a bug encountered while operating Kubernetes
labels: kind/bug
body:
  - type: textarea
    id: problem
    attributes:
      label: What happened?
      description: |
        Please provide as much info as possible. Not doing so may result in your bug not being addressed in a timely manner.
        If this matter is security related, please disclose it privately via https://kubernetes.io/security
    validations:

- Reverts breaking change to inline AzureFile volumes in v1.18.15-v1.18.17; referenced secrets are now correctly searched for in the same namespace as the pod as in previous releases. ([#100397](https://github.com/kubernetes/kubernetes/pull/100397), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider and Storage]

</p>

<p>
A channel may be closed with the built-in function
<a href="#Close"><code>close</code></a>.
The multi-valued assignment form of the
<a href="#Receive_operator">receive operator</a>
reports whether a received value was sent before
the channel was closed.
</p>

<p>
A single channel may be used in
<a href="#Send_statements">send statements</a>,