A user was able to understand why some of us were unable to select multiples items on sidebar.viewtopic.php?p=16576#p16576
I'm testing and the selection has some oddities when using control or shift, it start from the focused file listed in "Open Files" all to the clicked file. I hope you can fix! I would like to disable "Open files" and get multiple selection working!
A minor issue, it would be good to disable toggle of selection when "ctrl key + right click", because a user may select many files using "ctrl" and then, we don't remove the finger from the "ctrl key" and just hit "right click" to open the context menu.
 I made some comments about persistent selection and behaviour of preview feature here viewtopic.php?p=16431#p16431