 used as a graphics backend. Cocoa Widgets included in OS X builds. APIs implemented from WHATWG specs. Changes to how DOM events are dispatched, how HTML object elements are loaded, and how web pages are rendered. New SVG elements and filters, and improved SVG specification compliance. Acid2 test compliant. New UI improvements, including default themes for different operating systems and new download manager. Introduction of Smart Location Bar (a.k.a. Awesome Bar). Windows 95, 98, ME, Mac OS X v10.3.9 and lower, and GTK+ 1.2 and lower no longer supported. addons.mozilla.org integration in the Add-ons window. Support for APNG files. Google's "malware protection". Reached its end of life on March 30, 2010 with the release of Firefox 3.0.19.3.0.19NMarch 30, 2010Regular security and stability update.Firefox 3.51.9.13.5NShiretokoJune 30, 2009Web standards improvements in the Gecko layout engine. Upgrade to SpiderMonkey JavaScript engine called TraceMonkey and rend