The name of the development of Mozilla Firefox 3 is Gran Paradiso. The releases are precursors codename? Minefield?, Since this is the name of the trunk is based. ? Gran Paradiso?, Like other Firefox development names, is a real place, in this case, the highest mountain group in the Graia Alps. The development team asked users to submit feature requests for inclusion in Firefox 3. On November 19, 2007, Firefox 3 Beta 1 is released. The second beta (Firefox 3 Beta 2) was launched on December 18, 2007. With at least three beta versions planned total is estimated that Firefox 3 will be released in early 2008. One of the biggest changes in Firefox 3 is the implementation of Gecko 1. 9, a rendering engine updated. The new version fixes many bugs and implements web API. In particular, it will Firefox 3 the first official version of the Mozilla browser to pass the Acid2 test, a test of compliance with standards for the provision of website.
Many new features are defined in the WHATWG HTML5 specification. In particular, support for the controversy? Ping? attribute in HTML elements and is implemented and enabled by default. The purpose of this attribute can follow the links without the disadvantages of traditional methods, such as redirects and JavaScript, which can be difficult to implement often slow and you’ve reached your destination. Another advantage over existing techniques is that the user has the option to convert the table? off (although, as of Firefox 3 Beta 1, you can disable it using about: config). LWN points out that? [T] to the redirection technique is perhaps worse than the ping attribute?. Other new features include support for Web applications offline, cross-site XMLHttpRequest, and APNG support.
Gecko 1. 9 uses Cairo as a graphics library, which allows for improved graphics performance and greater consistency in the look and feel on multiple operating systems. Thanks to Cairo? S lack of support for Windows 95, Windows 98, Windows Me, Windows NT (version 4. 0 and below), and because Microsoft ended support for Windows 98 and Windows Me July 11, 2006, Firefox 3 not run on operating systems. Similarly, the Mac version of Firefox 3 only works on Mac OS X 10. 4 or more, but, unlike earlier versions, will have a native Cocoa widget interface.

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