With a 3 panel layout, the hover-over tooltips with parsing info do not display for bibles in the middle column, bibles in the left and right columns work fine.
Here the mouse is hovering over a word in each column respectively:
Which Mac OS? It works for me with 10.9.4
Thanks Jack, I'm running on 10.10 DP6.
Subsequently yesterday I had similar issues with other layouts, now today I have a 3 panel layout and can't reproduce the problem, so maybe it was just random...