- Corrected check for non-Azure managed nodes with the Azure cloud provider ([#70135](https://github.com/kubernetes/kubernetes/pull/70135), [@marc-sensenich](https://github.com/marc-sensenich))
- Fixed azure disk attach/detach failed forever issue ([#71377](https://github.com/kubernetes/kubernetes/pull/71377), [@andyzhangx](https://github.com/andyzhangx))

* Mark the LBaaS v1 of OpenStack cloud provider deprecated. ([#52821](https://github.com/kubernetes/kubernetes/pull/52821), [@FengyunPan](https://github.com/FengyunPan))

- Fix a bug that caused to panic the apiserver when trying to allocate a Service with a dynamic ClusterIP and it has been configured with Service CIDRs with a /28 mask for IPv4 and a /124 mask for IPv6 ([#115333](https://github.com/kubernetes/kubernetes/pull/115333), [@aojea](https://github.com/aojea)) [SIG Testing]

- Fixes a 1.30.0 regression in openapi descriptions of imagePullSecrets and hostAliases fields to mark the fields used as keys in those lists as either defaulted or required. ([#124694](https://gith...

#### Additional Details

See the GitHub issue for more details: https://github.com/kubernetes/kubernetes/issues/112192 

#### Acknowledgements

This vulnerability was reported and fixed by Mark Rosetti (@marosset)


**CVSS Rating:** Low (3.4) [CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C)

    in 'a'..'f' -> this - 'a' + 10
    in 'A'..'F' -> this - 'A' + 10
    else -> -1
  }

internal infix fun Byte.and(mask: Int): Int = toInt() and mask

internal infix fun Short.and(mask: Int): Int = toInt() and mask

internal infix fun Int.and(mask: Long): Long = toLong() and mask

@Throws(IOException::class)
internal fun BufferedSink.writeMedium(medium: Int) {
  writeByte(medium.ushr(16) and 0xff)

## Changelog since v1.4.0-beta.1

### Other notable changes

* Fix a bug in kubelet hostport logic which flushes KUBE-MARK-MASQ iptables chain ([#32413](https://github.com/kubernetes/kubernetes/pull/32413), [@freehan](https://github.com/freehan))

* Stick to 2.2.1 etcd ([#32404](https://github.com/kubernetes/kubernetes/pull/32404), [@caesarxuchao](https://github.com/caesarxuchao))
* Fix a bug in kubelet hostport logic which flushes KUBE-MARK-MASQ iptables chain ([#32413](https://github.com/kubernetes/kubernetes/pull/32413), [@freehan](https://github.com/freehan))

  * Mark all static pods on the Master node as critical to prevent preemption ([#47356](https://github.com/kubernetes/kubernetes/pull/47356), [@dashpole](https://github.com/dashpole))

- The alpha feature `ImmutableEphemeralVolumes` enables an `immutable` field in both Secret and ConfigMap objects to mark their contents as immutable. ([#86377](https://github.com/kubernetes/kubernetes/pull/86377), [@wojtek-t](https://github.com/wojtek-t)) [SIG Apps, CLI and Testing]

#### Other API changes: