I'm seeing really mixed messages on this. I saw a tweet yesterday about having to leave the screen on, but it turns out the source website was updated to remov

I'm seeing really mixed messages on this. I saw a tweet yesterday about having to leave the screen on, but it turns out the source website was updated to remove that line, and that's not how the app works. However, there are also screenshots on Twitter of lock screen notifications saying that the app needs to be open so I don't know any more...