Google Chromium 4.0 pre-alpha

In addition to supporting OS X, it boasts fairly fast JavaScript processing. Here are the results of testing browsers on Mac OS (SunSpider):

Chromium 4.0 pre-alpha 657ms
Safari 4.0.3 886ms
Firefox 3.5.2 1,508ms
Opera 10 Beta 3 5,958ms
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Also in the version for OS X improved support for Flash , to which there were complaints in previous versions of the browser.
We must remember that this is not an absolute indicator of the speed of the browser, but only the speed of processing javascript'ov.
Well, we will wait for the final version.
screenshots and details of CNet