Originally Posted by kiwidude
I was just using a synchronous connection, but I note that the main library view wasn't changing/toolbars not changing etc when I had any dialogs open. So it appeared that as far as Calibre was concerned the device connection "opportunity" was ignored.
I started calibre, opened the Find Duplicate dialog, then plugged in my Sony. It was detected just fine. The status line changed, the metadata sync job ran, on-device updated.
Did I not do the correct experiment? Are you referring to something else?