This is really good feedback. We are working on adding MDM functionality. Please email us at email@example.com to tell us more about what you’d like to see.
“Secret groups” is still on the Microsoft 365 Groups backlog, but there is no delivery date available at this time.
Thanks for sharing this with us. The team is looking at how to improve the O365 homepage. These are helpful details. Others should please comment with specifics as well if they have ideas on customization improvements. – Jay Waltmunson (O365 Program Manager)