So I was in a group ride last night and wanted to send a group text. I was not using my phone so didn’t have the companion app available. I used the AppleTV remote to select the group text icon. When the text input window popped up, the game in the background paused. I assumed that was just a graphics thing so I continued pedaling while entering my text. By the time the message was complete and I was back in the game, I was 30 seconds behind the group. It seems that I came to a complete stand still in the game while entering text for the message.
I assume this is a bug, as it would seem reasonable to be able to continue pushing watts in-game while entering text.
eta: For what it’s worth, I used the voice input feature of the remote to enter the text.