Drag the book you don't want to keep into the book you do want to keep,
test post, please ignore
Fixed in branch master. The fix will be in the next release. calibre is usually released every alternate Friday.
status fixreleased
is there a way to it off?
i've hit this new feature too much unintentionally when editing metadata.
Update to calibre 3.26.1 it contains a fix to greatly decrese the incidence of accidental triggerring.
Bug watches keep track of this bug in other bug trackers.
test post, please ignore