Mozilla firefox 17 released

Mozilla firefox 17 final is now available for download.

what’s new in this firefox 17?

First revision of the Social API and support for Facebook Messenger.
Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user’s permission.
Updated Awesome Bar experience with larger icons.
Mac OS X 10.5 is no longer supported.
JavaScript Maps and Sets are now iterable.
SVG FillPaint and StrokePaint implemented.
Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use
New Markup panel in the Page Inspector allows easy editing of the DOM
Sandbox attribute for iframes implemented, enabling increased security

FIXES:
Over twenty performance improvements, including fixes around the New Tab page
Pointer lock doesn’t work in web apps
Page scrolling on sites with fixed headers

Security fixes:

Use-after-free, buffer overflow, and memory corruption issues found using Address Sanitizer
Use-after-free and buffer overflow issues found using Address Sanitizer
CSS and HTML injection through Style Inspector
Frames can shadow top.location
Script entered into Developer Toolbar runs with chrome privileges
Improper character decoding in HZ-GB-2312 charset
Improper security filtering for cross-origin wrappers
XrayWrappers exposes chrome-only properties when not in chrome compartment
Firefox installer DLL hijacking
XMLHttpRequest inherits incorrect principal within sandbox
Memory corruption in str_unescape
MFSA 2012-95 Javascript: URLs run in privileged context on New Tab page
Crash when combining SVG text on path with CSS
evalInSanbox location context incorrectly applied
Buffer overflow while rendering GIF images
Miscellaneous memory safety hazards

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