Download Mozilla Firefox 15.0 Beta
As we are used to from Mozilla, the first beta release of the next version has already appeared shortly after the release of a stable version of the Firefox web browser. New in version 15 is, among other things, that Firefox can display PDF documents in the browser without further tools, there is a newer version of the spdy protocol and several improvements in support for webgl and html5 have been made. Below is the complete overview of the improvements we can expect in version 15.
New:
- Preliminary native PDF support (Aurora/Beta only)
- Support for SPDY networking protocol v3
- WebGL enhancements, including compressed textures for better performance
Changed
- Optimized memory usage for add-ons
Developer
- JavaScript debugger integrated into developer tools
- New layout view added to Inspector
- The CSS word-break property has been implemented.
- High precision event timer 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 <source> element now supports the media attribute
- The <audio> and <video> elements now support the played attribute
Known Issues
- If you try to start Firefox using a locked profile, it will crash (see 573369)
- For some users, scrolling in the main GMail window will be slower than usual
- Focus rings keep growing when repeatedly tabbing through elements
- Windows: The use of Microsoft’s System Restore functionality shortly after updating Firefox may prevent future updates (see 7302
| Version Number | 15.0 bèta |
| Release status | Beta |
| Operating System | Windows 7, Windows 2000, Linux, Windows XP, macOS, Windows Server 2003, Windows Vista, Windows Server 2008 |
| Website | Mozilla Foundation |
| Download | http://www.mozilla.com/en-US/firefox/all-beta.html |
| Size | 17,90MB – 33,40MB |
| License Type | Freeware |