import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly;
import static java.lang.Math.min;
import static java.util.Collections.unmodifiableSet;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;

- Fixed a bug in the API server where empty collections of ValidatingAdmissionPolicies did not have an `items` field. ([#124568](https://github.com/kubernetes/kubernetes/pull/124568), [@xyz-li](https://github.com/xyz-li)) [SIG API Machinery]

## Changelog since v1.30.3

## Changes by Kind

### API Change

- Fixed a bug in the API server where empty collections of ValidatingAdmissionPolicies did not have an `items` field. ([#126146](https://github.com/kubernetes/kubernetes/pull/126146), [@xyz-li](https://github.com/xyz-li)) [SIG API Machinery]

## Changelog since v1.29.7

## Changes by Kind

### API Change

- Fixed a bug in the API server where empty collections of ValidatingAdmissionPolicies did not have an `items` field. ([#126157](https://github.com/kubernetes/kubernetes/pull/126157), [@xyz-li](https://github.com/xyz-li)) [SIG API Machinery]

*   Updates `sqlite3` to `3.33.00` to handle
    [CVE-2020-15358](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15358).
*   Fixes deprecated usage of `collections` API
*   Removes `scipy` dependency from `setup.py` since TensorFlow does not need it
    to install the pip package

# Release 2.2.1

## Bug Fixes and Other Changes

## Changelog since v1.28.12

## Changes by Kind

### API Change

- Fixed a bug in the API server where empty collections of ValidatingAdmissionPolicies did not have an `items` field. ([#126159](https://github.com/kubernetes/kubernetes/pull/126159), [@xyz-li](https://github.com/xyz-li)) [SIG API Machinery]

 - Direct Server Return (DSR) mode support, allowing large numbers of services to scale up efficiently
 - Windows containers  now honor CPU limits
 - Performance improvements for collections of metrics and summary

### Increase the Kubernetes support window to one year

As of Kubernetes 1.19, bugfix support via patch releases for a Kubernetes minor release has increased from 9 months to 1 year.