repo sync

Author: Octomerger

content/actions/reference/specifications-for-github-hosted-runners.md

@@ -50,6 +50,7 @@ Each virtual machine has the same hardware resources available.
 {% data reusables.github-actions.supported-github-runners %}
 
 {% data reusables.github-actions.ubuntu-runner-preview %}
+{% data reusables.github-actions.macos-runner-preview %}
 
 Workflow logs list the runner used to run a job. For more information, see "[Viewing workflow run history](/actions/managing-workflow-runs/viewing-workflow-run-history)."
 
@@ -63,8 +64,10 @@ The software tools included in {% data variables.product.prodname_dotcom %}-host
 * [Windows Server 2019](https://github.com/actions/virtual-environments/blob/main/images/win/Windows2019-Readme.md)
 * [Windows Server 2016](https://github.com/actions/virtual-environments/blob/main/images/win/Windows2016-Readme.md)
 * [MacOS 10.15](https://github.com/actions/virtual-environments/blob/main/images/macos/macos-10.15-Readme.md)
+* [MacOS 11.0](https://github.com/actions/virtual-environments/blob/main/images/macos/macos-11.0-Readme.md)
 
 {% data reusables.github-actions.ubuntu-runner-preview %}
+{% data reusables.github-actions.macos-runner-preview %}
 
 {% data variables.product.prodname_dotcom %}-hosted runners include the operating system's default built-in tools, in addition to the packages listed in the above references. For example, Ubuntu and macOS runners include `grep`, `find`, and `which`, among other default tools. 
 

data/reusables/github-actions/macos-runner-preview.md

@@ -0,0 +1,5 @@
+{% note %}
+
+**Note:** The MacOS 11.0 virtual environment is currently provided as a preview only. The `macos-latest` YAML workflow label still uses the MacOS 10.15 virtual environment.
+
+{% endnote %}

data/reusables/github-actions/supported-github-runners.md

@@ -4,4 +4,5 @@
 | Ubuntu 20.04 | `ubuntu-20.04` |
 | Ubuntu 18.04 | `ubuntu-latest` or `ubuntu-18.04` |
 | Ubuntu 16.04 | `ubuntu-16.04` |
+| macOS Big Sur 11.0 | `macos-11.0` |
 | macOS Catalina 10.15 | `macos-latest` or `macos-10.15` |