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I've included ppa:mozillateam/firefox-next in my Software Sources, but even though Firefox 9 beta got released, my system still has Firefox 8! Why is this, and how do I get the latest?

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The "ppa:mozillateam/firefox-next" should soon have Firefox 9beta1, and hen its ready, you'll be prompted to update.

If you want to, download a beta directly from Mozilla.

Update: Firefox 9b1 has been published in the PPA on November 16.

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-1 Per, firefox 9.0~b1 is currently pending, not published, so people on this PPA will be on firefox 8. See – zpletan Nov 16 '11 at 4:15
Indeed, I must have looked at lines just below the right ones. – mikewhatever Nov 16 '11 at 4:24

press ctrl alt t to open a terminal window and do the following commands.

sudo add-apt-repository ppa:ubuntu-mozilla-daily/ppa


sudo apt-get update

sudo apt-get install firefox-trunk

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Sometimes, the guys running the firefox-next PPA run into some problems getting it built, which I think is the case now. You can manually check the status of their builds at Eventually, they'll fix it (they always do), but until then, you could:

  • Keep an older version.
  • Download 9.0b from
  • Add the ubuntu-mozilla-daily ppa.
  • Use some other clever solution that I didn't think of.
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