Firefox 3.5 (Stable) Is Now Available

Today’s tip will be a quick one as the much anticipated Firefox 3.5 is now available for download.

This new version boasts a faster javascript engine, HTML 5 support, private browsing and overall faster performance. If you are interested you can read about all the changes here.

Before upgrading, make sure all the add-ons you use are compatible with the new version. Personally, I like to hold off on new releases until a few service updates have been released, so I will not upgrade immediately. Of course, that is my personal preference so if you want to be on the bleeding edge, go get it.


  1. Just finished installing Firefox 3.5 after seeing this post.

    Be warned that your firefox add-ons will be gone, but for me it wasn’t bad.

    I only have 4 add-ons, 1. No Script, 2. Xmarks 3. Ebay Sidebar 4. Logmein Plugin.

    Within a few minutes I am back up and running.

    • I just noticed that my extensions are back. So they do reappear.

      • What exactly happened? This?

        You upgrade FireFox; having checked that all your add-ons are compatible, and – “OH F-F-foxtrot! My add-ons have vanished! They’re just gone; vamooshed, disappeared, not there.”

        (- “I must make a quick post to PC Mech”: {type, type, etc.})

        ” – Having done that I now need to somehow get them back. Let’s see now… -OMG they’re back! – That’s weird; they vanished and then suddenly came back – ?”

        I’m just curious to know for when I upgrade so that I don’t panic.

  2. No problems whatsoever except Tab Mix Plus won’t work with 3.5. Managed to find a pre-release and seems to be working as before with no issues. Yipeee!

  3. Larry Thompson says:

    Out of 20 extensions and 3 themes only 3 extensions and 1 theme did not work not bad and I am running it as a portable app.

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