- Fix: use force detach for azure disk ([#91948](https://github.com/kubernetes/kubernetes/pull/91948), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider]
- Fixes a problem with 63-second or 1-second connection delays with some VXLAN-based
  network plugins which was first widely noticed in 1.16 (though some users saw it
  earlier than that, possibly only with specific network plugins). If you were previously

// https://www.iana.org/domains/root/db/rent.html
rent

// rentals : Binky Moon, LLC
// https://www.iana.org/domains/root/db/rentals.html
rentals

// repair : Binky Moon, LLC
// https://www.iana.org/domains/root/db/repair.html
repair

// report : Binky Moon, LLC
// https://www.iana.org/domains/root/db/report.html
report

// republican : Dog Beach, LLC

* Add cache for VM get operation in azure cloud provider ([#57432](https://github.com/kubernetes/kubernetes/pull/57432), [@karataliu](https://github.com/karataliu))

* Configurable liveness probe initial delays for etcd and kube-apiserver in GCE ([#57749](https://github.com/kubernetes/kubernetes/pull/57749), [@wojtek-t](https://github.com/wojtek-t))

- Fix: use force detach for azure disk ([#91948](https://github.com/kubernetes/kubernetes/pull/91948), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider]
- Fixes a problem with 63-second or 1-second connection delays with some VXLAN-based
  network plugins which was first widely noticed in 1.16 (though some users saw it
  earlier than that, possibly only with specific network plugins). If you were previously

* Add flag to enable contention profiling in scheduler. ([#37357](https://github.com/kubernetes/kubernetes/pull/37357), [@gmarek](https://github.com/gmarek))
* Try self-repair scheduler cache or panic ([#37379](https://github.com/kubernetes/kubernetes/pull/37379), [@wojtek-t](https://github.com/wojtek-t))

### Volume Plugins

#### Azure Disk

## Changelog since v1.15.10

## Changes by Kind

### Other (Bug, Cleanup or Flake)

- Add delays between goroutines for vm instance update ([#88094](https://github.com/kubernetes/kubernetes/pull/88094), [@aramase](https://github.com/aramase)) [SIG Cloud Provider]

  - The deprecated `--repair-malformed-updates` flag has been removed ([#73663](https://github.com/kubernetes/kubernetes/pull/73663), [@danielqsj](https://github.com/danielqsj))

- Apiserver repair controller is resilient to etcd errors during bootstrap and retries during 30 seconds before failing. ([#126671](https://github.com/kubernetes/kubernetes/pull/126671), [@fusida](https://github.com/fusida)) [SIG Network]

- Fix: use force detach for azure disk ([#91948](https://github.com/kubernetes/kubernetes/pull/91948), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider]
- Fixes a problem with 63-second or 1-second connection delays with some VXLAN-based
  network plugins which was first widely noticed in 1.16 (though some users saw it
  earlier than that, possibly only with specific network plugins). If you were previously

  - The deprecated `--etcd-quorum-read` flag has been removed. Quorum reads are now always enabled when fetching data from etcd. Remove the `--etcd-quorum-read` flag from kube-apiserver invocations before upgrading.
- kube-controller-manager