SharePoint Framework Extensions RC0 now available - get started customizing SharePoint experiences
With the RC0 release, SharePoint Framework Extensions will also be made available in First Release tenancies in coming weeks so you can try Extensions across a broader set of scenarios.
Blog: https://dev.office.com/blogs/sharepoint-framework-extensions-rc0-now-available
Release Note: https://github.com/SharePoint/sp-dev-docs/wiki/Release-Notes---Extensions-RC-Drop-1.2#extension-rele...
Doc: https://dev.office.com/sharepoint/docs/spfx/extensions/overview-extensions
Report Issues: https://github.com/SharePoint/sp-dev-docs/issues
