Mozilla Firefox 17 beta is now available for download and testing.What’s new in this beta?
Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user’s permission
Mac OS X 10.8: Support for Notification Center
Updated Awesome Bar experience with larger icons
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
