Adding any emoji as a reaction remains under review.
I am marking this as partially done to let you know a new reactions bar with Like, Heart, Laugh, Surprised, Sad, and Angry has begun rolling out to all users.
An error occurred while saving the commentKees commented
To use Teams, not only as a meeting tool but also for virtual classrooms I'd like to have icons such as Yes/No, thumb down, away, go faster/slower. This is needed to constantly sense if attendees are still actively involved in the training.