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
Improved calendar notification for date/time changes
If a calendar invite has been changed, the notification which comes through does not always show the date/time of the meeting, just that the meeting has been changed. I then have to go into my Outlook calendar to check what that notification says.
Custom message order so that the most recent email in a conversation thread is shown at the top
Ability to change the order in which new messages are displayed in a thread. Today, the oldest message is at the top, and the most recent is at the bottom.