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Firefox 15.0
Windows
Operating Systems- Windows XP SP2
- Windows Server 2003 SP1
- Windows Vista
- Windows 7
Please note that while the 32-bit and 64-bit versions of Windows Vistaand Windows 7 can be used to run Firefox 15, only 32-bit builds of Firefox 15 aresupported at this time.
Recommended Hardware External hard drive not mounting mac mojave.- Pentium 4 or newer processor that supports SSE2
- 512MB of RAM
- 200MB of hard drive space
Mac
Operating Systems- Mac OS X 10.5
- Mac OS X 10.6
- Mac OS X 10.7
- Macintosh computer with an Intel x86 processor
- 512 MB of RAM
- 200 MB hard drive space
Linux
Software RequirementsPlease note that Linux distributors may provide packagesfor your distribution which have different requirements.
- Firefox will not run at all without the following libraries or packages:
- GTK+ 2.10 or higher
- GLib 2.12 or higher
- Pango 1.14 or higher
- X.Org 1.0 or higher (1.7 or higher is recommended)
- libstdc++ 4.3 or higher
- For optimal functionality, we recommend the following libraries or packages:
- NetworkManager 0.7 or higher
- DBus 1.0 or higher
- HAL 0.5.8 or higher
- GNOME 2.16 or higher
What's New
- NEW Silent, background updates
- NEW Support for SPDY networking protocol v3
- NEW WebGL enhancements, including compressed textures for better performance
- NEW Localization in Maithili (see all available locales)
- CHANGED Optimized memory usage for add-ons
- DEVELOPER JavaScript debugger integrated into developer tools
- DEVELOPER New layout view added to Inspector
- DEVELOPER High precision event timer implemented
- DEVELOPER The CSS word-break property has been implemented.
- DEVELOPER 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
- HTML5 The and elements now support the played attribute
- HTML5 The element now supports the media attribute
- FIXED Focus rings keep growing when repeatedly tabbing through elements (720987)
Known Issues
Please note that while the 32-bit and 64-bit versions of Windows Vistaand Windows 7 can be used to run Firefox 15, only 32-bit builds of Firefox 15 aresupported at this time.
Recommended Hardware External hard drive not mounting mac mojave.- Pentium 4 or newer processor that supports SSE2
- 512MB of RAM
- 200MB of hard drive space
Mac
Operating Systems- Mac OS X 10.5
- Mac OS X 10.6
- Mac OS X 10.7
- Macintosh computer with an Intel x86 processor
- 512 MB of RAM
- 200 MB hard drive space
Linux
Software RequirementsPlease note that Linux distributors may provide packagesfor your distribution which have different requirements.
- Firefox will not run at all without the following libraries or packages:
- GTK+ 2.10 or higher
- GLib 2.12 or higher
- Pango 1.14 or higher
- X.Org 1.0 or higher (1.7 or higher is recommended)
- libstdc++ 4.3 or higher
- For optimal functionality, we recommend the following libraries or packages:
- NetworkManager 0.7 or higher
- DBus 1.0 or higher
- HAL 0.5.8 or higher
- GNOME 2.16 or higher
What's New
- NEW Silent, background updates
- NEW Support for SPDY networking protocol v3
- NEW WebGL enhancements, including compressed textures for better performance
- NEW Localization in Maithili (see all available locales)
- CHANGED Optimized memory usage for add-ons
- DEVELOPER JavaScript debugger integrated into developer tools
- DEVELOPER New layout view added to Inspector
- DEVELOPER High precision event timer implemented
- DEVELOPER The CSS word-break property has been implemented.
- DEVELOPER 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
- HTML5 The and elements now support the played attribute
- HTML5 The element now supports the media attribute
- FIXED Focus rings keep growing when repeatedly tabbing through elements (720987)
Known Issues
Firefox 15 Macbook
- Unresolved Debugger breakpoints do not catch on page reload (see 783393)
- Unresolved If you try to start Firefox using a locked profile, it will crash (see 573369)
- Unresolved For some users, scrolling in the main GMail window will be slower than usual (see 579260)
- Unresolved Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)