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Download Firefox 15.0.1

Firefox  15.0.1

By Mozilla Organization  (Open Source)
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# NEW
- Silent, background updates
- Support for SPDY networking protocol v3
- WebGL enhancements, including compressed textures for better performance
- Localization in Maithili (see all available locales)
# CHANGED
- Optimized memory usage for add-ons
# DEVELOPER
- JavaScript debugger integrated into developer tools
- New layout view added to Inspector
- High precision event timer implemented
- The CSS word-break property has been implemented.
- New responsive design tool allows web developers to switch between desktop and mobile views of sites
# HTML5
- Native support for the Opus audio codec added
- The <audio> and <video> elements now support the played attribute
- The <source> element now supports the media attribute
# FIXED
- Focus rings keep growing when repeatedly tabbing through elements

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