Per [this comment]:
> Okay, I've asked internally, and I got a reply that we had to list the PDF plugin or else multiple websites would ask the user to download Adobe Acrobat Reader so there is some compatibility risk for this change.
And other comments in that thread; the behavior I think we would want (for both RFP and Tor Browser):
- Enable pdfjs - on the logic that as far as we know, pdfjs is more secure than anything the user may installed
- Report true for navigator.pdfViewerEnabled (no matter what) - on the logic that even if the browser can't open the pdf (because for some reason pdfjs got disabled despite our intentions?) - we don't want websites to encourage users to download and use external software
Posing to Richard, as he's taking over TB team
Bug 1756280 Comment 8 Edit History
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Per [this comment]: > Okay, I've asked internally, and I got a reply that we had to list the PDF plugin or else multiple websites would ask the user to download Adobe Acrobat Reader so there is some compatibility risk for this change. And other comments in [this thread](https://github.com/whatwg/html/issues/6003); the behavior I think we would want (for both RFP and Tor Browser): - Enable pdfjs - on the logic that as far as we know, pdfjs is more secure than anything the user may installed - Report true for navigator.pdfViewerEnabled (no matter what) - on the logic that even if the browser can't open the pdf (because for some reason pdfjs got disabled despite our intentions?) - we don't want websites to encourage users to download and use external software Posing to Richard, as he's taking over TB team