Microsoft is chancing the way the user default enrolls Windows 10 PC from http://portal.manage.microsoft.com from download the PC software Client for Intune:

To guiding the user into Windows 10 Settings app -> Access work or school :

I just got this is my office 365 Admin Center:

Configuration Change: Default PC enrollment behavior MC89222

Published Date: Dec 20 Category: Plan For Change

How does this impact me?

How does this affect me?: The Company Portal website will provide Windows 10 desktop users with enrollment instructions that guide them through the process of adding a work or school account via Windows settings. This method of enrollment allows Intune to manage Windows 10 desktop computers as mobile devices. If your organization prefers to manage Windows 10 desktops as PCs, the updated user notification will continue to include instructions and links for the user to download and install the PC agent, but the default focus will be moving to MDM to ensure more customers can use the full MDM experience.

What do I need to do to prepare for this change?:

Please notify your other administrators and helpdesk agents.

Please click Additional Information to learn more.

Additional information: https://docs.microsoft.com/en-us/intune/deploy-use/set-up-windows-device-management-with-microsoft-intune

Direct link: https://portal.office.com/AdminPortal/home?switchtomodern=true#/MessageCenter?id=MC89222 (Disclaimer- You will need global admin group access to view Message center)