- Added warnings to the Services API. Kubernetes now warns for Services in the case of:
  - IPv4 addresses with leading zeros
  - IPv6 address in non-canonical format (RFC 5952) ([#114505](https://github.com/kubernetes/kubernetes/pull/114505), [@aojea](https://github.com/aojea))

- Kubeadm: implemented structured output of 'kubeadm token list' in JSON, YAML, Go template and JsonPath formats ([#78764](https://github.com/kubernetes/kubernetes/pull/78764), [@bart0sh](https://github.com/bart0sh))

- Kubeadm: allow RSA and ECDSA format keys in preflight check ([#112537](https://github.com/kubernetes/kubernetes/pull/112537), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

## Dependencies

### Added
_Nothing has changed._

- Kubeadm: now supports image repository format validation. ([#112732](https://github.com/kubernetes/kubernetes/pull/112732), [@SataQiu](https://github.com/SataQiu))

* 📝 Update references to UJSON. PR [#11464](https://github.com/tiangolo/fastapi/pull/11464) by [@tiangolo](https://github.com/tiangolo).
* 📝 Tweak docs and translations links, typos, format. PR [#11389](https://github.com/tiangolo/fastapi/pull/11389) by [@nilslindemann](https://github.com/nilslindemann).

  
  See here for guidance on getting permanent links to files: https://help.github.com/en/articles/getting-permanent-links-to-files
  
  Please use the following format for linking documentation:
  - [KEP]: <link>
  - [Usage]: <link>
  - [Other doc]: <link>
  --> ([#119495](https://github.com/kubernetes/kubernetes/pull/119495), [@bzsuni](https://github.com/bzsuni)) [SIG API Machinery]

# Kubernetes v1.15 Release Notes

## 1.15 What’s New

A complete changelog for the release notes is now hosted in a customizable format at [https://relnotes.k8s.io/](https://relnotes.k8s.io/?releaseVersions=1.15.0). Check it out and please give us your feedback!

* kubectl will list all allowed print formats when an invalid format is passed. ([#64371](https://github.com/kubernetes/kubernetes/pull/64371), [@CaoShuFeng](https://github.com/CaoShuFeng))

- Kubeadm: allow RSA and ECDSA format keys in preflight check ([#112535](https://github.com/kubernetes/kubernetes/pull/112535), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

## Dependencies

### Added
_Nothing has changed._

  - support for the `v1alpha3` configuration file format is deprecated and will be removed in 1.14. Use `kubeadm config migrate` to migrate `v1alpha3` configuration files to `v1beta1`, which provides improvements in image repository management, addons configuration, and other areas. The documentation for...