- Fixes bug where OpenAPIV2 config was used instead of V3, and gives clear error message about OpenAPIV3 requirement ([#120612](https://github.com/kubernetes/kubernetes/pull/120612), [@alexzielenski](https://github.com/alexzielenski)) [SIG API Machinery]

- The helping message of commands which have sub-commands is now clearer and more instructive. It will show the full command instead of `kubectl <command> --help ...`
  

credentials have not been used in the time specified by `--legacy-service-account-token-clean-up-period` (defaulting to one year), **and** are referenced from the `.secrets` list of a ServiceAccount object, **and**  are not referenced from pods. This label causes the authentication layer to reject use of the credentials. After being labeled as invalid, if the time specified by `--legacy-service-account-token-clean-up-period` (defaulting to one year) passes without the credential being used, the secret...

- Reworded log message upon image garbage collection failure to be more clear. ([#112631](https://github.com/kubernetes/kubernetes/pull/112631), [@tzneal](https://github.com/tzneal)) [SIG Node]