IE11 supports WebGL, SPDY / 3 and new developer tools.

Today, before the BUILD conference in San Francisco, Microsoft released a Windows Server (“Blue”) for MSDN subscribers. The build number is 9341, and Windows 8.1 has version 6.3.9431.winmain_bluemp.130615-1214.

IE11 scores 351 out of 500 points in technology support tests, getting 25/25 for WebGL support. Microsoft has officially confirmed support for WebGL, SPDY / 3 and new tools for developers in IE11.

Some of the new IE11 options are shown in the screenshots.
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At startup, you can specify the option "Open tabs from the previous session."



Support SPDY / 3.



Other options in the settings menu.



New DOM Explorer and Developer Tools (Dev Tools).



Dev Tools Console.



Debagger.



Network.



Report on the responsiveness of UI.



Script Profiler.



Memory monitor



Emulate different user agents.



DOM Explorer shows calculated DOM.