Out of curiosity, how many users will be opening pdf using pdf.js? Is it widely used?
I was never comfortable with pdf.js and changed the setting to use the default pdf viewer in all my machines.
I was never comfortable with pdf.js and changed the setting to use the default pdf viewer in all my machines.
[1] http://telemetry.mozilla.org/dist.html#!cumulative=0&end_date=2015-06-05&max_channel_version=beta%252F38&measure=PDF_VIEWER_USED&min_channel_version=nightly%252F38&product=Firefox&sanitize=1&start_date=2015-03-04&trim=1&use_submission_date=0Most of the times, I have multiple pdf files open side by side. So I had a pdf viewer in the machine.
You can rest assured that 99% of Firefox users won't do that.