- Shared informers are now more reliable in the face of network disruption. ([#86015](https://github.com/kubernetes/kubernetes/pull/86015), [@squeed](https://github.com/squeed)) [SIG API Machinery]
- Specifying PluginConfig for the same plugin more than once fails scheduler startup.

## Changelog since v1.9.1

### Other notable changes

* Fixes authentication problem faced during various vSphere operations. ([#57978](https://github.com/kubernetes/kubernetes/pull/57978), [@prashima](https://github.com/prashima))

  * Fix a bug with cAdvisorPort in the KubeletConfiguration that prevented setting it to 0, which is in fact a valid option, as noted in issue [#11710](https://github.com/kubernetes/kubernetes/pull/11710). ([#46876](https://github.com/kubernetes/kubernetes/pull/46876), [@mtaufen](https://github.com/mtaufen))

  command-line arguments.
  
  (When the feature gate is disabled, creating an object with such an invalid
  IP or CIDR value will result in a warning from the API server about the fact

* update QEMU version to v2.9.1 ([#50597](https://github.com/kubernetes/kubernetes/pull/50597), [@dixudx](https://github.com/dixudx))
* controllers backoff better in face of quota denial ([#49142](https://github.com/kubernetes/kubernetes/pull/49142), [@joelsmith](https://github.com/joelsmith))

  feature gates enabled) that their pods could get stuck in the pending phase when deleted.
  
  Users who maintain controllers which relied on the fact that pods with RestartPolicy=Always
  never enter the Succeeded phase may need to adapt their controllers. This is because as a consequence of 

ngo.ng
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