Microsoft is currently rolling out a new feature for SharePoint online document libraries and OneDrive for Business which will allow users to colorize their folders with a pre-set range of 16 colors. This colorization is applicable to both new and already existing folders.
Tag: OneDrive
SharePoint Online: View in File Explorer available in Microsoft Edge
Starting in Microsoft Edge Stable version 93, you can enable the View in File Explorer capability on SharePoint Online for Modern Document Libraries. For this experience to be visible and work for your users, you will need to enable the Microsoft Edge policy "Configure the View in File Explorer feature for SharePoint pages in Microsoft Edge" and update your SharePoint Online tenant configuration.