Merge pull request kubernetes#25519 from annajung/update-release-notes

Update release notes for 1.20 release

Author: k8s-ci-robot

content/en/docs/setup/release/notes.md

@@ -1168,23 +1168,7 @@ filename | sha512 hash
 
 ### Other (Cleanup or Flake)
 
-- **Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.**:
-  
-  <!--
-  This section can be blank if this pull request does not require a release note.
-  
-  When adding links which point to resources within git repositories, like
-  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:
-  - [KEP]: <link>
-  - [Usage]: <link>
-  - [Other doc]: <link>
-  --> ([#96443](https://github.com/kubernetes/kubernetes/pull/96443), [@alaypatel07](https://github.com/alaypatel07)) [SIG Apps]
+- Handle slow cronjob lister in cronjob controller v2 and improve memory footprint. ([#96443](https://github.com/kubernetes/kubernetes/pull/96443), [@alaypatel07](https://github.com/alaypatel07)) [SIG Apps]
 - --redirect-container-streaming is no longer functional. The flag will be removed in v1.22 ([#95935](https://github.com/kubernetes/kubernetes/pull/95935), [@tallclair](https://github.com/tallclair)) [SIG Node]
 - A new metric `requestAbortsTotal` has been introduced that counts aborted requests for each `group`, `version`, `verb`, `resource`, `subresource` and `scope`. ([#95002](https://github.com/kubernetes/kubernetes/pull/95002), [@p0lyn0mial](https://github.com/p0lyn0mial)) [SIG API Machinery, Cloud Provider, Instrumentation and Scheduling]
 - API priority and fairness metrics use snake_case in label names ([#96236](https://github.com/kubernetes/kubernetes/pull/96236), [@adtac](https://github.com/adtac)) [SIG API Machinery, Cluster Lifecycle, Instrumentation and Testing]
@@ -1350,23 +1334,7 @@ filename | sha512 hash
 
 ### Deprecation
 
-- **Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.**:
-  
-  <!--
-  This section can be blank if this pull request does not require a release note.
-  
-  When adding links which point to resources within git repositories, like
-  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:
-  - [KEP]: <link>
-  - [Usage]: <link>
-  - [Other doc]: <link>
-  --> ([#95856](https://github.com/kubernetes/kubernetes/pull/95856), [@knight42](https://github.com/knight42)) [SIG API Machinery, Node and Testing]
+- ACTION REQUIRED: The kube-apiserver ability to serve on an insecure port, deprecated since v1.10, has been removed. The insecure address flags `--address` and `--insecure-bind-address` have no effect in kube-apiserver and will be removed in v1.24. The insecure port flags `--port` and `--insecure-port` may only be set to 0 and will be removed in v1.24. ([#95856](https://github.com/kubernetes/kubernetes/pull/95856), [@knight42](https://github.com/knight42)) [SIG API Machinery, Node and Testing]
 
 ### API Change
 
@@ -1510,23 +1478,7 @@ filename | sha512 hash
 
 ### Bug or Regression
 
-- **Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.**:
-  
-  <!--
-  This section can be blank if this pull request does not require a release note.
-  
-  When adding links which point to resources within git repositories, like
-  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:
-  - [KEP]: <link>
-  - [Usage]: <link>
-  - [Other doc]: <link>
-  --> ([#95725](https://github.com/kubernetes/kubernetes/pull/95725), [@p0lyn0mial](https://github.com/p0lyn0mial)) [SIG API Machinery and Cloud Provider]
+- Exposes and sets a default timeout for the SubjectAccessReview client for DelegatingAuthorizationOptions. ([#95725](https://github.com/kubernetes/kubernetes/pull/95725), [@p0lyn0mial](https://github.com/p0lyn0mial)) [SIG API Machinery and Cloud Provider]
 - Alter wording to describe pods using a pvc ([#95635](https://github.com/kubernetes/kubernetes/pull/95635), [@RaunakShah](https://github.com/RaunakShah)) [SIG CLI]
 - If we set SelectPolicy MinPolicySelect on scaleUp behavior or scaleDown behavior,Horizontal Pod Autoscaler doesn`t automatically scale the number of pods correctly ([#95647](https://github.com/kubernetes/kubernetes/pull/95647), [@JoshuaAndrew](https://github.com/JoshuaAndrew)) [SIG Apps and Autoscaling]
 - Ignore apparmor for non-linux operating systems ([#93220](https://github.com/kubernetes/kubernetes/pull/93220), [@wawa0210](https://github.com/wawa0210)) [SIG Node and Windows]