You probably already tried the new Firefox 2.0 web browser already and most of you are probably liking what they see. Its feature set is impressive and includes anti-phishing enhancements, a built in spell checker, the ability to restore sessions and to undo closed tabs are all great and helpful. If you ran extensions in Firefox 1.x and upgraded to version 2.0 you may have noticed that some of your extensions have stopped working.
Hans Schmucker, a commenter on my initial article about the new Firefox 2.0, pointed out that you can use an extension called Nightly Tester Tools to make the majority of extensions compatible with Firefox 2.0. Most authors of extensions define a range of Firefox versions that their extension works with and 2.0 is obviously not included in many extensions.
Download Nightly Tester Tools and install the extension. Restart Firefox afterwards and click on tools then add-ons. Hit Make all compatible and restart Firefox again. All extensions should be working fine with Firefox 2.0 now. Some might not be working due to incompatibilities. If that is the case deactivate all extensions again and activate one by one to see which ones are causing troubles.
If everything worked out you are ready to use Firefox 2.0 with the majority of extensions. All extensions that I'm using for instance are working fine with 2.0, for example Adsense notifier, Video Downloader, Download Statusbar, Google Toolbar, Linkification, Screen Grab and many more. Let me know if you encounter extensions that are not working.
Update: Firefox 2.0 has been retired by Mozilla, and newer versions of the web browser are now available for download at the official Mozilla website. The latest version at the time of writing is Firefox 12 (May 2012) with new versions of the browser released every six weeks.
Mozilla made a clean cut from Firefox 3 to 4, and Firefox 4 to 5. Those were the major steps that changed some of the browser's underlying technologies, and resulted in some add-on incompatibilities and changes to the browser's interface.
The company changed add-on compatibility as well in recent versions so that it is no longer necessary to run Nightly Tester Tools to force compatibility.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.