// +optional
  optional string podIP = 6;

  // podIPs holds the IP addresses allocated to the pod. If this field is specified, the 0th entry must
  // match the podIP field. Pods may be allocated at most 1 value for each of IPv4 and IPv6. This list
  // is empty if no IPs have been allocated yet.
  // +optional
  // +patchStrategy=merge
  // +patchMergeKey=ip
  repeated PodIP podIPs = 12;

  or required. ([#124553](https://github.com/kubernetes/kubernetes/pull/124553), [@pmalek](https://github.com/pmalek))
- Fixed a 1.30.0 regression in openapi descriptions of `PodIP.IP`  and `HostIP.IP` fields to mark the fields used as keys in those lists as required. ([#126057](https://github.com/kubernetes/kubernetes/pull/126057), [@thockin](https://github.com/thockin))

### Other (Bug, Cleanup or Flake)

- Fixed a regression with clients prior to 1.15 not being able to update podIP in pod status, or podCIDR in node spec, against >= 1.16 API servers ([#88505](https://github.com/kubernetes/kubernetes/pull/88505), [@liggitt](https://github.com/liggitt)) [SIG Apps and Network]

## Changelog since v1.30.4

## Changes by Kind

### API Change

- Fixes a regression in openapi descriptions of PodIP.IP  and HostIP.IP fields to mark the fields used as keys in those lists as required. ([#126666](https://github.com/kubernetes/kubernetes/pull/126666), [@thockin](https://github.com/thockin)) [SIG API Machinery]

### Feature

## Changelog since v1.17.3

## Changes by Kind

### API Change

- Fixes a regression with clients prior to 1.15 not being able to update podIP in pod status, or podCIDR in node spec, against >= 1.16 API servers ([#88505](https://github.com/kubernetes/kubernetes/pull/88505), [@liggitt](https://github.com/liggitt)) [SIG Apps and Network]

### Other (Bug, Cleanup or Flake)

- Use omitempty for optional Job Pod Failure Policy fields ([#126046](https://github.com/kubernetes/kubernetes/pull/126046), [@mimowo](https://github.com/mimowo)) [SIG Apps]

### Bug or Regression

- Fix the bug where PodIP field is temporarily removed for a terminal pod ([#125404](https://github.com/kubernetes/kubernetes/pull/125404), [@mimowo](https://github.com/mimowo)) [SIG Node and Testing]

* Updates Cinder AttachDisk operation to be more reliable by delegating Detaches to volume manager. ([#50042](https://github.com/kubernetes/kubernetes/pull/50042), [@jingxu97](https://github.com/jingxu97))
* add fieldSelector podIP ([#50091](https://github.com/kubernetes/kubernetes/pull/50091), [@dixudx](https://github.com/dixudx))

## Changelog since v1.16.7

## Changes by Kind

### API Change

- Fixes a regression with clients prior to 1.15 not being able to update podIP in pod status, or podCIDR in node spec, against >= 1.16 API servers ([#88505](https://github.com/kubernetes/kubernetes/pull/88505), [@liggitt](https://github.com/liggitt)) [SIG Apps and Network]

### Other (Bug, Cleanup or Flake)

- Use omitempty for optional Job Pod Failure Policy fields ([#126046](https://github.com/kubernetes/kubernetes/pull/126046), [@mimowo](https://github.com/mimowo)) [SIG Apps]

### Bug or Regression

- Fix the bug where PodIP field is temporarily removed for a terminal pod ([#125404](https://github.com/kubernetes/kubernetes/pull/125404), [@mimowo](https://github.com/mimowo)) [SIG Node and Testing]