- Content-type and verb for request metrics are now bounded to a known set. ([#89451](https://github.com/kubernetes/kubernetes/pull/89451), [@logicalhan](https://github.com/logicalhan)) [SIG API Machinery and Instrumentation]

* Check if pathExists before performing Unmount ([#39311](https://github.com/kubernetes/kubernetes/pull/39311), [@rkouj](https://github.com/rkouj))
* Unmount operation should not fail if volume is already unmounted ([#38547](https://github.com/kubernetes/kubernetes/pull/38547), [@rkouj](https://github.com/rkouj))

## Changelog since v1.18.8

## Changes by Kind

### Bug or Regression

- "unbound immediate PersistentVolumeClaims" causes UnschedulableAndUnresolvable status rather than an Error in the scheduler. ([#93892](https://github.com/kubernetes/kubernetes/pull/93892), [@ahg-g](https://github.com/ahg-g)) [SIG Apps and Storage]

- Fixed a bug in block volume expansion. ([#77317](https://github.com/kubernetes/kubernetes/pull/77317), [@gnufied](https://github.com/gnufied))
- Count PVCs that are unbound towards attach limit. ([#73863](https://github.com/kubernetes/kubernetes/pull/73863), [@gnufied](https://github.com/gnufied))

### VMware

* Check if pathExists before performing Unmount ([#39311](https://github.com/kubernetes/kubernetes/pull/39311), [@rkouj](https://github.com/rkouj))
* Unmount operation should not fail if volume is already unmounted ([#38547](https://github.com/kubernetes/kubernetes/pull/38547), [@rkouj](https://github.com/rkouj))

* Fix potential panic when getting azure load balancer status ([#68609](https://github.com/kubernetes/kubernetes/pull/68609), [@feiskyer](https://github.com/feiskyer))
* Fix an issue where filesystems are not unmounted when a backend is not reachable and returns EIO. ([#67097](https://github.com/kubernetes/kubernetes/pull/67097), [@chakri-nelluri](https://github.com/chakri-nelluri))

- Unmounted volumes correctly for reconstructed volumes even if mount operation fails after kubelet restart. ([#110670](https://github.com/kubernetes/kubernetes/pull/110670), [@gnufied](https://github.com/gnufied))

</li>
<li>
	Both types have identical structure and their element types
	unify exactly.
</li>
<li>
	Exactly one type is an <a href="#Type_inference">unbound</a>
	type parameter, and all the types in its type set unify with
	the other type
	per the unification rules for <code>≡<sub>A</sub></code>
	(loose unification at the top level and exact unification

1C87          ; mapped                 ; 0463          # 9.0  CYRILLIC SMALL LETTER TALL YAT
1C88          ; mapped                 ; A64B          # 9.0  CYRILLIC SMALL LETTER UNBLENDED UK
1C89..1C8F    ; disallowed                             # NA   <reserved-1C89>..<reserved-1C8F>
1C90          ; mapped                 ; 10D0          # 11.0 GEORGIAN MTAVRULI CAPITAL LETTER AN