An update on my wife's focus after having seals and clutch replaced.
Still shifts much smoother. Once in a while I think I feel a very slight shudder when first accelerating from a stop, but so slight it could just be paranoia at this point.
A new issue. When climbing a moderately steep hill (about 5% grade) the tachometer fluctuates/pulsates by about 100 to 200 RPMs. On smaller hills the fluctuation is less. It seems much more difficult to keep it at a steady speed when climbing hills. I haven't tried using cruise control to see what happens, but I will tomorrow.