I just downloaded the latest update, and the little flask icons showing research points accumulating weren't displaying for coaches when they're idle, but instead displayed when they started coaching or producing (research points are still only earned when they're idle).
Edit: OK, update: they weren't displaying at all when they were idle, then started displaying when they got busy, and now they're just displaying permanently - both when they're busy AND when they're idle.
Son of Edit: This is also happening with the Manager in my game now:
Grandson of Edit: Started happening to the producer as well: