Not Visually Clear
The top heading New should change to New Topics (16) and when showing All tab should say “New (265)”
So maybe something like
New (285)
[All]. Topics(16)
(All is open
New Topics (16)
All (285). [Topics]
Topics tab open
Or ..
New
All (285) Topics (16)
When I chose New Topics at the end of topic I get All instead of New Topics opened. Your link for new topics actually does more of what is expected with the Topic bottom NAV expected behaviour of New Topics link vs clicking on Unread