* `--service-account-lookup` now defaults to true, requiring the Secret API object containing the token to exist in order for a service account token to be valid. This enables service account tokens to be revoked by deleting the Secret object containing the token. ([#44071](https://github.com/kubernetes/kubernetes/pull/44071), [@liggitt](https://github.com/liggitt))

* fix pod stuck issue due to corrupt mnt point in flexvol plugin, call Unmount if PathExists returns any error ([#75234](https://github.com/kubernetes/kubernetes/pull/75234), [@andyzhangx](https://github.com/andyzhangx))
* vSphere: allow SAML token delegation (required for Zones support) ([#78876](https://github.com/kubernetes/kubernetes/pull/78876), [@dougm](https://github.com/dougm))

- When the alpha `LegacyServiceAccountTokenTracking` feature gate is enabled, secret-based service account tokens will have a `kubernetes.io/legacy-token-last-used` applied to them containing the date they were last used. ([#108858](https://github.com/kubernetes/kubernetes/pull/108858), [@zshihang](https://github.com/zshihang)) [SIG API Machinery, Auth and Testing]