Our diagnostic display pauses during heavy log activity. Separate from cell controls. Which timings distinguish file-write delay from communication delay?
We once had the screen blamed when the delay occurred before its update was even queued. I'd ask the developer to time request, receive, processing, writing and display stages on the same occurrence.
And ask what the intended user sees when updates age. While the timing work continues, an old status should not remain indistinguishable from a fresh reading.