Please see: - https://bugzilla.mozilla.org/show_bug.cgi?id=1432992 - https://hg.mozilla.org/integration/autoland/rev/b38d59f71915
This is the PDF.js project output, https://github.com/mozilla/pdf.js Current extension version is: PDFJSSCRIPT_VERSION Taken from upstream commit: PDFJSSCRIPT_COMMIT