ering improvements. Text API for the <canvas> element. Support for using border images. Support for JavaScript query selectors. Support for the <video> and <audio> elements defined in the HTML 5 draft specification, including native support for Ogg Theora encoded video and Vorbis encoded audio. Several improvements to the Smart Location Bar. Private browsing mode. Google-based location-aware browsing (geolocation).3.5.19NApril 28, 2011Regular security and stability update. Predated by 3.5.1 to 3.5.18Firefox 3.61.9.23.6YNamorokaJanuary 21, 2010Improved performance to the TraceMonkey JavaScript engine. Support for -moz-background-size CSS property, CSS Gradients, and multiple background images. Support for the WOFF, built-in support for Personas. Notification of out-of-date plugins. Version 3.6.4 and later features out-of-process plug-ins (OOPP).3.6.17YApril 28, 2011Regular security and stability update. Predated by 3.6.2 to 3.6.16Firefox 42.04