- Fixes bug where an incomplete OpenAPI V3 document can cause a nil-pointer crash.
  Ensures fallback to OpenAPI V2 endpoint for errors retrieving OpenAPI V3 document. ([#117918](https://github.com/kubernetes/kubernetes/pull/117918), [@seans3](https://github.com/seans3)) [SIG CLI]

  KEPs or supporting documentation, please reference a specific commit and avoid
  linking directly to the master branch. This ensures that links reference a
  specific point in time, rather than a document that may change over time.
  
  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:

    * PR [#278](https://github.com/tiangolo/fastapi/pull/278).

## 0.26.0

* Separate error handling for validation errors.
    * This will allow developers to customize the exception handlers.
    * Document better how to handle exceptions and use error handlers.

- Fix race in alpha aggregated discovery handler
  Yes, discovery document will correctly return the resources for aggregated apiservers that do not implement aggregated disovery ([#115805](https://github.com/kubernetes/kubernetes/pull/115805), [@alexzielenski](https://github.com/alexzielenski)) [SIG API Machinery]

- cloud.google.com/go/dataqna: v0.7.0
- cloud.google.com/go/datastream: v1.7.0
- cloud.google.com/go/deploy: v1.8.0
- cloud.google.com/go/dialogflow: v1.32.0
- cloud.google.com/go/dlp: v1.9.0
- cloud.google.com/go/documentai: v1.18.0
- cloud.google.com/go/domains: v0.8.0
- cloud.google.com/go/edgecontainer: v1.0.0
- cloud.google.com/go/errorreporting: v0.3.0
- cloud.google.com/go/essentialcontacts: v1.5.0