- Volume mount cleanup now considers only plugin directory and not the entire kubelet root ([#112607](https://github.com/kubernetes/kubernetes/pull/112607), [@mattcary](https://github.com/mattcary))
- `kubectl` now escapes terminal special characters in output. This fixes CVE-2021-25743.

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- `kubectl explain` should correctly work for all resources. ([#118876](https://github.com/kubernetes/kubernetes/pull/118876), [@atiratree](https://github.com/atiratree))
- `kubectl expose` supports the creation of different protocol services on the same port. ([#114909](https://github.com/kubernetes/kubernetes/pull/114909), [@aimuz](https://github.com/aimuz))

New features include improved integration between the Keystone service and Kubernetes RBAC, and a number of stability and compatibility improvements across the entire provider code-base.

### SIG Scheduling

"strategic merge patch"-type API requests for the `selector` field. Prior to 1.21, these requests would merge `matchLabels` content and replace `matchExpressions` content. In 1.21, patch requests touching the `selector` field started replacing the entire selector. This is consistent with server-side apply and the v1 PodDisruptionBudget behavior, but should not have been changed for v1beta1. ([#108142](https://github.com/kubernetes/kubernetes/pull/108142), [@liggitt](https://github.com/liggitt)) [SIG...

### Bug or Regression

- Consider only plugin directory and not entire kubelet root when cleaning up mounts ([#112887](https://github.com/kubernetes/kubernetes/pull/112887), [@mattcary](https://github.com/mattcary)) [SIG Storage]

* ⬆ Upgrade Swagger UI - swagger-ui-dist@4. This handles a security issue in Swagger UI itself where it could be possible to inject HTML into Swagger UI. Please upgrade as soon as you can, in particular if you expose your Swagger UI (`/docs`) publicly to non-expert users. PR [#4347](https://github.com/tiangolo/fastapi/pull/4347) by [@RAlanWright](https://github.com/RAlanWright).

### Internal

return nil, err } pk := &PrivateKey{ pub: PublicKey{ N: n, E: e, }, d: dN, } if err := checkPrivateKey(pk); err != nil { return nil, err } return pk, nil } // Export returns the key parameters in big-endian byte slice format. // // P, Q, dP, dQ, and qInv may be nil if the key was created with // NewPrivateKeyWithout. func (priv *PrivateKey) Export() (N []byte, e int, d, P, Q, dP, dQ, qInv []byte) { N = priv.pub.N.Nat().Bytes(priv.pub.N) e = priv.pub.E d = priv.d.Bytes(priv.pub.N) if priv.dP == nil {...