Recent developments sees the ability to stop Teams users updating their photos by enforcing controls in OWA mailbox policies. Organizers can stop Teams meetings without waiting for everyone to leave with a new End meeting option in the meeting menu. Both changes are rolling out.
Microsoft has announced that the AdditionalStorageProvidersAvailable setting in OWA mailbox policies will now control access to both first-party and third-party storage providers. The new setting is now available and becomes active in August. Before then, you might want to adjust some of your OWA mailbox policies.