I'm having the same problem. windows 10 pro 64. When correcting series information (such as the number the ebook falls in the series) I have always highlighted the number and just typed in the new number. Now, after highlighting, as I start to type it jumps down the screen to a different line. I have to highlight the entire series information and retype everything to get it to work. I am not having the problem that
https://www.mobileread.com/forums/sh...d.php?t=289057 talks about.
When you say "I assume you have changed the Tweak to have it edit the cell instead.", I have never changed a Tweak for a cell edit - not sure how to - was this an addition/change in 3.5? If so, how do I fix the Tweak?
I am in awe of how Calibre does so many things flawlessly - this is probably one of the few times that a change has annoyed me.