Originally Posted by Lutraa
I use v. 5.2 desktop drop and drag tools because I'm a control freak and like fewer layers between me and my code. There's been no change in these tools so no need to alarm non-Calibre tool wielders with the original headline.
The underlying code of the drag & drop tools has seen several updates since 5.2. Mainly for Topaz books, I think, but I always prefer to run the latest one.