### **API Machinery**

*   The kube-apiserver `--etcd-quorum-read` flag is deprecated and the ability to switch off quorum read will be removed in a future release. ([#53795](https://github.com/kubernetes/kubernetes/pull/53795),[ @xiangpengzhao](https://github.com/xiangpengzhao))

#    file-name - an exact leaf filename, regardless of path
#    path-prefix - a prefix match on the file path
#    file-prefix - a prefix match of the leaf filename (no path)
#    paths-from-repo - read a file from the repo and load file paths
#

file-prefix	zz_generated.

file-name	types.generated.go
file-name	generated.pb.go
file-name	generated.proto
file-name	types_swagger_doc_generated.go

The MIT License (MIT)

Copyright (c) 2015 Xiang Li

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is

The MIT License (MIT)

Copyright (c) 2014 Joel

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is

MIT License
===========

Copyright (c) 2016 David Deng

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is

  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind-13)
    - [Deprecation](#deprecation)
    - [API Change](#api-change-3)
    - [Feature](#feature-11)

* Retry 'connection refused' errors when setting up clusters on GCE. ([#57394](https://github.com/kubernetes/kubernetes/pull/57394), [@mborsz](https://github.com/mborsz))

* YAMLDecoder Read now returns the number of bytes read ([#57000](https://github.com/kubernetes/kubernetes/pull/57000), [@sel](https://github.com/sel))

  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind-13)
    - [Deprecation](#deprecation)
    - [API Change](#api-change-4)
    - [Feature](#feature-12)

  - The deprecated `--etcd-quorum-read` flag has been removed. Quorum reads are now always enabled when fetching data from etcd. Remove the `--etcd-quorum-read` flag from kube-apiserver invocations before upgrading.
- kube-controller-manager

* Kubernetes will try to read the openstack auth config from the client config and fall back to read from the environment variables if the auth config is not available. ([#60200](https://github.com/kubernetes/kubernetes/pull/60200), [@dixudx](https://github.com/dixudx))

### SIG Scheduling