Responses count which appears at top right of responses screen do not appear. When user adds any response/comment it shows responses count as 1 and when he tap back to main posts screen and come back again on responses, it disappears.
1) Login to edX app.
2) Tap to open any course card.
3) Tap on discussions tab.
4) Tap to select any discussions post.
5) Add a response/comment and see response count at top right on responses screen.
6) Tap on back arrow to come on main posts screen.
7) Tap back again on that post and view responses count.