Add a button that schedules a meeting with everyone that is on the email. It would be on the three-dot dropdown menu along with "Forward" and "Forward as a new conversation" - something like "Schedule meeting" - click that would pop open the calen...
The ability to collapse subtags under the parent tag on the mobile app
It would be super helpful if you could collapse all subtags under the parent tag on mobile. If you have a lot of tags it takes a lot of scrolling to be able to get through them all to get to a tag group that's listed closer to the bottom