Microsoft has listed out a few servicing changes to Windows and Office keeping in view the deployment requirements of the enterprise. The company also detailed availability and support cadences of Office 2019 and Windows 10 LTSC.
https://www.notebookcheck.net/Microsoft-details-servicing-changes-to-Windows-and-Office-Office-2019-to-be-a-Windows-10-exclusive.281320.0.html