Download Firefox 17.0 Beta 4

Firefox 17.0 Beta 4 is now available for download from Mozilla download center. Firefox 17.0 improves display of location bar results, improvements to the silent update mechanism for users with incompatible add-ons, and refinements to the Click-To-Play system introduced in Firefox 14.0. This version also includes a new feature for developers, an HTML tree editor.

Note: Firefox 17.0 Final is scheduled to be released on November 20, 2012. Firefox 17.0 ESR is also scheduled to be released on the same day.

Download Firefox 17.0 Beta 4:
Firefox 17.0 Beta 4 available for download at website listed below:

• Download Firefox 17.0 Beta (All Systems & Languages)
• Download Firefox 17.0 Beta 4 for Windows (32-bit)

Firefox 17.0 Beta on Windows 8 Enterprise

Note: Please do NOT use this Firefox Beta release on production machines. A Firefox Beta release should be considered for evaluation and testing purposes.

What's new in Firefox 17.0 Beta
Firefox 17.0 Beta has the following changes:

New:

• 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.

Changed:

• Updated Awesome Bar experience with larger icons.

Developer:

• 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.

HTML5:

• Sandbox attribute for iframes implemented, enabling increased security.

Fixed:

• Over twenty performance improvements, including fixes around the New Tab page.
• Pointer lock doesn't work in web apps (769150).
• Page scrolling on sites with fixed headers (780345).

Source:

• Firefox 17.0 Beta Release Notes.
• Wikipedia