(In reply to B.J. Herbison from comment #2) > This is a Firefox change, not a web site issue. I've been using the web site for a long time without a problem. The web site downloads the file, but recent changes in Firefox cause the file to be opened in a new tab after the download. > > All those slow file downloads (on this site and others) used to complete in the background and just put a notice in the upper right of the window when they finished. Now instead of a notification I can ignore focus is stolen and my current activity is disrupted. Then before, probably you got a dialog box asking whether to save or open the file? Either that or somehow your preferences for PDFs got changed - you can change them back to "save to disk" and then you get the behaviour you want. The current setting ("Open in Firefox") is the default.
Bug 1756564 Comment 3 Edit History
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(In reply to B.J. Herbison from comment #2) > This is a Firefox change, not a web site issue. I've been using the web site for a long time without a problem. The web site downloads the file, but recent changes in Firefox cause the file to be opened in a new tab after the download. > > All those slow file downloads (on this site and others) used to complete in the background and just put a notice in the upper right of the window when they finished. Now instead of a notification I can ignore focus is stolen and my current activity is disrupted. Then before, probably you got a dialog box asking whether to save or open the file? That was also an interruption... Either that or somehow your preferences for PDFs got changed - you can change them back to "save to disk" and then you get the behaviour you want. The current setting ("Open in Firefox") is the default.