Monday, October 8, 2012

Mozilla previews 'Metro'-ized Firefox for Windows 8

But it won't ship until months after Windows 8 debuts

Mozilla last week released the first public preview of a Firefox browser that runs in Windows 8's touch-first "Modern" or "Metro" user interface (UI).

he Firefox app for Modern -- the UI dubbed "Metro" until Microsoft ditched the term over trademark issues -- will be partnered with the traditional desktop browser in a package that may appear in early January 2013 as Firefox 18.

Asa Dotzler, product manager for Firefox, announced the preview last Thursday in a short post to a Mozilla blog.

"Over the coming weeks and months, we'll be adding more features, tightening up Windows integration, improving performance and responsiveness, and finishing up all the necessary work to deliver a first-class Firefox experience for Windows 8," Dotzler wrote.

Users running Windows 8 RTM (release to manufacturing), the final code Microsoft started distributing in mid-August, can download and install a Modern-ized Firefox from Mozilla's "Nightly" channel, a rough-edged, in-development build that precedes the better-known Aurora, Beta and Final stages for each edition.

As Dotzler acknowledged, Firefox for Modern harbors bugs and omits features that should appear in the final.

Computerworld, in fact, was unable to run the Firefox app in the Modern UI on a 32-bit version of Windows 8 RTM. The touch-sensitive browser, however, did launch and work properly in Windows 8 64-bit.

Mozilla engineers are investigating the issue.

Brian Bondy, a Firefox platform engineer who has been working on the Modern version for Windows 8 for most of the year, was more specific than Dotzler in describing what is in the preview, and to a lesser extent, what will be in the future.

Last spring, Mozilla committed to creating a browser for Windows 8's new UI, the first of Microsoft's rivals to do so; Google followed suit a month later.

Browsers are a special case for Windows 8. After a several-month delay last year, Microsoft allowed hybrid desktop-Modern browsers.

Modern-style enabled browsers can run outside the normal security sandbox required for all other apps, and have access to most Windows APIs (application programming interface) on the classic desktop side, as well as the new WinRT API, the backbone of the Modern side of Windows 8 application development.

The category also gets an important pass from Microsoft: A Modern-enabled desktop browser circumvents the Windows Store -- the Microsoft-curated distribution channel -- and when installed on the Windows 8 classic desktop, simultaneously installs the Modern version.

The biggest caveat for a Windows 8 hybrid browser is that only the default browser -- which is set by the user -- can run in the Modern UI. During setup Windows 8 assigns Internet Explorer 10 (IE10) as the default browser.


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