2016.10.20 v49.0.2 Final
new
Asynchronous rendering of the Flash plugins is now enabled by default. This should improve performance and reduce crashes for sites that use the Flash plugin. (Bug 1307108)
fixed
Change D3D9 default fallback preference to prevent graphical artifacts (Bug 1306465)
Network issue prevents some users from seeing the Firefox UI on startup (Bug 1305436)
Web compatibility issue with Array.prototype.values (Bug 1299593)
Various security fixes
Web compatibility issue with file uploads (Bug 1306472)
changed
Diagnostic information on timing for tab switching (Bug 1304113)
Reference link to Firefox 49.0.1 release notes
Fix a Canvas filters graphics issue affecting HTML5 apps (Bug 1304539)