At the Microsoft Ignite 2019 conference, Microsoft described how SharePoint Online will use Office 365 compliance features such as sensitivity labels and information barrier policies to better protect information stored in SharePoint sites. The Office Online apps also gain support for sensitivity labels. The new features will enter a mixture of public and private previews starting November 20.
https://office365itpros.com/2019/11/06/sharepoint-online-gains-office-365-compliance-features/
