It’s not game breaking, but a nice to have.
The keyboard appears on the Map Screen when in Game mode, as seen in the second screen shot.
It can easily be dismissed.
This only effects the Message to Map Screen transition.
It it not reproducible on Message to Zwifters transition or Message to Dashboard transition.
Steps to Reproduce
In Game mode, open the Messaging tab.
Tap the message typing EditText UI element (text box).
The keyboard opens, as seen in screenshot 1.
Then press the Map tab.
Result is that the keyboard stays open and effects the map screen.
The keyboard should be dismissed when leaving the Message screen.
Screenshot 1 - setup on message screen.
Screenshot 2 - switching to map tab.