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What is the difference between Firefox 4.0b5 and the new 4.0?

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Is the "new" version an update to Firefox 4.0b5 or is it now no longer in a Beta version and I should replace my Firefox 4.0b5 with your new version? Peter Stuempel

Is the "new" version an update to Firefox 4.0b5 or is it now no longer in a Beta version and I should replace my Firefox 4.0b5 with your new version? Peter Stuempel

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4.0b5 is a quite old beta version, if using that version you should update it to the release version.

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OK. I am now using Firefox 4 but why is it saying "Thank You for Joining the Test Pilot Team!"? I was doing this earlier with Firefox 4.0b5 which you said was an OLD version. How long are these tests going on and is Firefox 4 ("new version") still in Beta? Thanks