After previous versions without UI (platform preview) together with the Beta released in September 2010, Microsoft has released the Release Candidate (RC) Internet Explorer 9 (IE9), which comes with a minimalist design, as used by most modern browsers, with the least amount of buttons in sight. The most striking changes is that the interface has tabs on the same line as the address bar (though it includes the option to place them in a single bar by pressing the right button on any tab), and the far left are three buttons go to the home page, access the bookmarks bar and browser settings.
Much of the novelty in this RC with respect to the Beta deal security. First, we have to activate ActiveX filter automatically blocks all ActiveX content of the pages you visit to avoid the multiple vulnerabilities that affect this technology. Another improvement is the famous Tracking Security Protection, which prevents servers outside the site we are visiting to obtain private information about us. Tracking Protection is based on a list that includes many ad servers, as googleadservices.com or doubleclick.net. Upon activation disappears most of the advertising web sites (such as AdBlock plug does), but also blocks the so-called social widgets Facebook, Twitter and the like.
remember that Internet Explorer 9 has been re-written from scratch, and implements major innovations such as rendering graphics hardware with DirectX 11 (for this reason IE9 is not compatible with Windows XP), new JavaScript engine (Chakra), full support for the HTML5 standard, etc.. In the RC changes have been made as in the image rendering, so that the browser uses less RAM, and has even reduced the cost of CPU, so it also decreases battery consumption in notebooks that make use of IE9 . For now it is the first and only browser that uses the GPU to render everything: fonts, graphics, JavaScript. Your browser settings have been optimized to load faster services like Gmail or Office Web Apps.
final version, which will probably arrive within a few months, including full support for all CSS3 selectors, including CSS3 property to the radial border (border-radius), faster JavaScript, managing ICC color profiles v2 or v4 as well as full hardware acceleration for rendering process web pages using Direct2D and DirectWrite. Chakra engine includes a separate execution thread to compile JavaScript in the background, therefore, the IE9 have a better performance on modern multi-processors nuclei. You can download the online installer for the version of Windows 7 ( 32-bit and 64-bit ) or for Windows Vista (32-bit and 64-bit ).
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