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HTML5 technology also available with this beta version.Now, add-ons update automatically with the Firefox Add-Ons Manager enables add-ons to update automatically so your add-ons are always up to date.This brings security issue to more prominence as of late Firefox security has been from time to time been threatened due to some security issues of various add-ons of Firefox.Support for Exquisite Fonts with OpenType. Panorama, App Tabs are some more innovative add-ons and new features from Firefox beta .So, in this verson of Firefox, we can assume a more revamped Firefox Add-ons Manager.
- Your guide to Firefox 4 and its shiny new features (downloadsquad.com)
- Mozilla Releases Faster Firefox 4 Beta (informationweek.com)
- Firefox 4 Beta 7: Moving Toward Completion, Updated Extensions On Deck (ostatic.com)