invalid node names. ([#58502](https://github.com/kubernetes/kubernetes/pull/58502), [@dixudx](https://github.com/dixudx))

* Authentication information for OpenStack cloud provider can now be specified as environment variables. When we convert the OpenStack cloud provider to run in an external process, we can now use the kubernetes Secrets capability to inject the OS_* variables. This way we can specify the cloud configuration as a configmap, and specify secrets for the userid/password...

- Fix azure file migration issue ([#97877](https://github.com/kubernetes/kubernetes/pull/97877), [@andyzhangx](https://github.com/andyzhangx)) [SIG Auth, Cloud Provider and Storage]
- Fix kubectl-convert import known versions ([#97754](https://github.com/kubernetes/kubernetes/pull/97754), [@wzshiming](https://github.com/wzshiming)) [SIG CLI and Testing]

  - `priority_level_seat_count_watermarks` is removed.
  - `priority_level_request_count_samples` is replaced with `priority_level_request_utilization`, which samples every nanosecond rather than every millisecond; the old metric conveyed utilization despite its name.
  - `priority_level_request_count_watermarks` is removed.

  - The `upstream` option is deprecated and ignored if included.
    ([#82127](https://github.com/kubernetes/kubernetes/pull/82127), [@rajansandeep](https://github.com/rajansandeep))

- kubectl

  - `kubectl convert`, deprecated since v1.14, will be removed in v1.17.
  - The `--export` flag for the `kubectl get` command, deprecated since v1.14, will be removed in v1.18.

- Fixed issue where `kubectl-convert` would fail when encountering resources that could not be converted to the specified api version. New behavior is to warn the user of the failed conversions and continue to convert the remaining resources. ([#117002](https://github.com/kubernetes/kubernetes/pull/117002), [@gxwilkerson33](https://github.com/gxwilkerson33))

- Kubectl-convert: Fix `no kind "Ingress" is registered for version` error ([#97754](https://github.com/kubernetes/kubernetes/pull/97754), [@wzshiming](https://github.com/wzshiming))

modelscape.com
modena.it
mods.jp
modum.no
modx.dev
moe
moi
moka.tochigi.jp
mokuren.ne.jp
mol.it
molde.no
molise.it
mom
mombetsu.hokkaido.jp
monash
mond.jp
money
money.bj
mongolian.jp
monster
monza-brianza.it
monza-e-della-brianza.it
monza.it
monzabrianza.it
monzaebrianza.it
monzaedellabrianza.it
moo.jp
moonscale.net
mordovia.ru

- Fixes a `cannot convert int64 to float64` error seen using server-side apply with certain CRDs in 1.19.10+ ([#103105](https://github.com/kubernetes/kubernetes/pull/103105), [@liggitt](https://github.com/liggitt)) [SIG API Machinery]

* PetSet has been renamed to StatefulSet.
  If you have existing PetSets, **you must perform extra migration steps** both
  before and after upgrading to convert them to StatefulSets. ([docs](http://kubernetes.io/docs/tasks/manage-stateful-set/upgrade-pet-set-to-stateful-set/)) ([#35663](https://github.com/kubernetes/kubernetes/pull/35663), [@janetkuo](https://github.com/janetkuo))

* Allow drain --force to remove pods whose managing resource is deleted. ([#41864](https://github.com/kubernetes/kubernetes/pull/41864), [@marun](https://github.com/marun))