Firefox 3.6 Release Candidate Available, Here’s How to Fix Your Incompatible Extensions

image The release candidate of Firefox 3.6 is finally out, but if you install it, any extension that still hasn’t been updated to support the latest release is going to error out or just not work.

What you’ll need to do is use the new compatibility hack to get it working. And before you start talking about nightly tester tools and other extensions to force compatibility, some of us don’t want to bloat up Firefox with yet another extension, and prefer the about:config hack instead.

How To Force Extension Compatibility with Firefox 3.6+

You can click the link to read the full description, or just create a new boolean key with this name, and value set to false:



The new version of Firefox adds a bunch of features like Personas themes that can switch without restarting the browser, notifications for ancient, insecure versions of Flash, and a bunch of extra stuff that will speed up the browser.

Download Firefox 3.6 Release Candidate 1 from

Lowell Heddings is the founder and Editor-in-Chief of How-To Geek. He spends all his free time making sure this site can bring you fresh geekery on a daily basis, and has been doing so for over eleven years.