I don't think it's a major issue (yet?), but work around this area is tracked under the "Web Compatibility" product in Bugzilla. https://bugzilla.mozilla.org/b

I don't think it's a major issue (yet?), but work around this area is tracked under the "Web Compatibility" product in Bugzilla. https://bugzilla.mozilla.org/buglist.cgi?product=Web%20Compatibility&bug_status=__open__ https://bugzilla.mozilla.org/buglist.cgi?product=Web%20Compa... Bugs are fixed where necessary, but I don't think they've stooped to implementing Chrome's bugs yet. Most of the work is social - reaching out to owners of websites which are broken in Firefox and asking them to fix them.