*   Deprecate `histogram_summary`, `audio_summary`, `scalar_summary`,
    `image_summary`, `merge_summary`, and `merge_all_summaries`.
*   Combined `batch_*` and regular version of linear algebra and FFT ops. The
    regular op now handles batches as well. All `batch_*` Python interfaces were
    removed.
*   `tf.all_variables`, `tf.VARIABLES` and `tf.initialize_all_variables` renamed

--font-family-sans-serif: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, \"Noto Sans\", sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";\n  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, \"Liberation Mono\", \"Courier New\", monospace;\n}\n\n*,\n*::before,\n*::after {\n  box-sizing: border-box;\n}\n\nhtml {\n  font-family: sans-serif;\n  line-height: 1.15;\n  -webkit-text-size-adjust: 100%;\n  -webkit-tap-highlight-color:...

-apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, \"Noto Sans\", \"Liberation Sans\", sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";\n  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, \"Liberation Mono\", \"Courier New\", monospace;\n}\n\n*,\n*::before,\n*::after {\n  box-sizing: border-box;\n}\n\nhtml {\n  font-family: sans-serif;\n  line-height: 1.15;\n  -webkit-text-size-adjust: 100%;\n  -webkit-tap-highlight-color:...

                                a proxy when connecting to Istio Pilot.
                              type: object
                            proxyVersion:
                              description: A regular expression in golang regex format
                                (RE2) that can be used to select proxies using a specific
                                version of istio proxy.
                              type: string

  Other Ingress API updates:
  - backends can now be resource or service backends
  - `path` is no longer required to be a valid regular expression ([#89778](https://github.com/kubernetes/kubernetes/pull/89778), [@cmluciano](https://github.com/cmluciano)) [SIG API Machinery, Apps, CLI, Network and Testing]