SharePoint Online- Enable New Modern experience on root site collection
UPDATE 9/27/2019- Microsoft this month is releasing a way to “Swap” sites. So create a new modern site collection, then swap it with the root. Invoke-SPOSiteSwap https://docs.microsoft.com/en-us/powershell/module/sharepoint-online/invoke-spositeswap?view=sharepoint-ps#description If the target is the root site at https://tenant-name.sharepoint.com, then the following preparation activities should be performed prior to performing the swap: Any Featured links defined in SharePoint Start … Read more