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An easy way to test the New Firefox Beta look and feel before it's released

Screenshot of the new Firefox UI on Windows 7 with the menu panel openThe new Firefox Beta is faster, simplified and easier to customize and we need your help to test it out before it gets released in a few weeks time.

There is now an easy way to review Firefox user interface changes without even installing the new version. "How is that possible?" you might ask. We have a collection of hundreds of screenshots of the new Firefox in various different configurations (affecting features such as tabs, toolbars, themes, customization mode, and the new menu) that are ready for you to review.

It's fast and easy to do in three simple steps:

  1. Open up the screenshot review tool and enter a nickname to log in (there may be a small reward for the most valuable contributions so keep that in mind when choosing)
  2. A random screenshot will be displayed where you can simply identify any visual issues related to the new user interface that you may see. Simply drag to select the region of the image and add a comment (and optionally a bug number). See an example.
  3. When you're done reviewing that image, simply click the button to get another and go to step 2. Endless fun ensues!

Of course, installing Firefox Beta, testing the functionality and filing bugs is still really valuable and encouraged. Areas to focus on include the new customization mode, menu panel, tabs, and Firefox Account Sync.

So, what are you waiting for? Start reviewing now.


I am quite interested by this screenshot tool, is it open sourced ?
Also markdown syntax doesn't seems to recognize links (mylink)[]

Yes, I plan to blog about it shortly as well. The code is at
(There actually was a non-obvious link to the code in the blog post btw.)

In the Review Tool logon, when I enter a name it displays:

Something broke! (Error 500)
It appears something broke when you tried to go to here. This is either a bug in Review Board or a server configuration error. Please report this to your administrator.

I tried in virgin Firefox profile and got the same result. I'm using Firefox 24.2.0 ESR

Yeah, I noticed this happened to some people from looking at the server logs. My guess was that the software didn't properly handle certain characters in the nickname. If you clear your cookies and choose a different nickname it should work.

Hi. Are there any news regarding the visual bugs? Some of them though are already on the FF29 release.

Yes, I blogged about it today. Bugs were filed and we'll continue to fix them. Thanks for your interest.

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