Mozilla releases second alpha of Fennec mobile browser

Mozilla has announced the availability of Fennec alpha 2, a new prerelease of the mobile Firefox browser.

…Fennec’s main content area is rendered on a canvas element instead of using a conventional browser element. The content is painted on the canvas with the drawWindow method, a nonstandard function that Mozilla added to its own implementation of the canvas JavaScript API. Fennec uses the canvas in order to improve panning and zooming performance, but the developers discovered that it incurs a high overhead during display updates. Finkle explains that they switched to using the drawImage function for updating thumbnails when possible, which is quite a bit faster….

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Mozilla releases second alpha of Fennec mobile browser

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