Until a few days ago, whenever I clicked on ''download a pdf'', Firefox downloaded it, and when I ''simply clicked on a pdf'', Firefox opened it in a new tab. My guess is that in the new update something has been changed, not sure though. Now whereever I click, it downloads '''and''' opens in a new tab each pdf, which is very annoying, since I either have to delete the downloaded one, or close the tab. I have tried all the available settings I've found (see attached image), but I can't get Firefox to work as it used to. I really need to be able to decide which pdf's to open in a new tab, and which ones to download and save. I'm using Firefox 78.0.2 on MacOSX Mojave 10.14.6. Thanx for any help!