Mozilla is giving our beloved Firefox one last round of testing before they release 2.0.0.4 on the general public. The update, which includes security fixes, stability improvements and enhancement to Firefox's ability to block popups.

The ad blocking patches in 2.0.0.4 will ensure that content requested through Flash or Javascript methods will be subject to the same policies as normal HTTP requests; Allowing tools like Adblock Plus to keep out even more brand-tacular content you don't want to see.

If all goes according to plan, users will begin to see the upgrade on Wednesday, May 30th.