History of Firefox updates automatically update Firefox to the latest version without notifying the user, a feature that the web browsers Google Chrome and Internet Explorer 8 and above have already implemented, although the user is able to disable that function. Mozilla improved regular startup time for Windows users. Firefox 16 was released on October 9, 2012. Plans for this version called for fixing of bugs still outstanding involving support of new features in Mac OS X Lion, improvements to startup speed when a user wants to restore a previous session, and support for viewing PDF files inline without a plugin. Opus audio
Construct (game engine) allowing for more complicated behaviors to be created. Construct's primary export platforms are HTML5 based. It claims support across Google Chrome, Firefox, Internet Explorer 9+, Safari 6+ and Opera 15+ on desktop browsers, and support for Safari in iOS 6+, Chrome and Firefox for Android, Windows Phone 8+, BlackBerry 10+ and Tizen. Additionally, Construct can export to several online marketplaces and platforms, including Facebook, the Chrome Web Store, the Firefox Marketplace, the Amazon Appstore, Scirra's own Arcade and Kongregate. Construct has the ability to export to several platforms that provide offline and native application behavior: Windows, OS X and both