Firefox 17.0 (Beta 4)的旧版历史

NEW - Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user's permission (see blog post)
NEW - Mac OS X 10.8: Support for Notification Center
CHANGED - Updated Awesome Bar experience with larger icons
DEVELOPER - JavaScript Maps and Sets are now iterable
DEVELOPER - SVG FillPaint and StrokePaint implemented
DEVELOPER - Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use
DEVELOPER - New Markup panel in the Page Inspector allows easy editing of the DOM
HTML5 - Sandbox attribute for iframes implemented, enabling increased security
FIXED - Over twenty performance improvements, including fixes around the New Tab page
FIXED - Pointer lock doesn't work in web apps (769150)
FIXED - Page scrolling on sites with fixed headers (780345)