The latest build of the Microsoft Teams desktop and browser clients include the ability for users to see the essential details of calendar events through a "peek." Single clicking on an event exposes the most commonly used information and some command buttons. It's a quick and easy way to find out what you need to know about an event. Also, Teams has finally shipped two features announced in June and July, examples of how things sometimes get delayed for different reasons.
https://office365itpros.com/2020/10/13/microsoft-teams-calendar-peek/
