Firefox 3.5 is out

Today we released Firefox 3.5, which as we said at the beginning of the 35 days project is a huge upgrade for both end users but also for the web.

In the past we’ve always published a list of web developer features for a release. But the feature list for developers for 3.5 is so long that we thought it might be useful to try and break it down into easy-to-swallow bites. And my suspicion, given the number of comments and the number of daily views this weblog gets, is that it’s actually been useful to people.

We’ve been writing articles on features to get people informed on what the changes are, but we’ve also been featuring demos to get people inspired. Some of them have been built by people at the Mozilla core, but the really great thing that we’ve seen is that people have started to show up and build demos for our project without us having to ask. I think that this points to the fact that people are really bullish on the future of the web. People want to see change, they want to see improvements and they understand that every individual has a role to play in that. To everyone involved, I say thank you. You’re helping to improve the web, one action at a time.

We’re about half way through our 35 days posts and we will continue to make posts. And we’re still looking for help. If you want to get involved, you’re more than welcome to join us. There’s always something that you can do – follow our twitter account, write a demo, document a feature or, really, just start using this stuff. We’re helping to write the future of the web and everyone has a part to play.


  1. jason

    nice work guys.

    June 30th, 2009 at 08:25

  2. […] para receber actualizações sobre este tópico.É com enorme prazer que informo de que a equipa da Mozilla acabou de lançar o Firefox 3.5. O sucessor do Firefox 3.0 apresenta várias novidades dos quais se destacam: as ferramentas […]

    June 30th, 2009 at 08:30

  3. […] Mozilla Firefox 3.5 is here! […]

    June 30th, 2009 at 09:04

  4. Zachary Johnson

    Awesome accomplishment.

    June 30th, 2009 at 10:05

  5. Leek

    Good work Mozilla. I have published an article on my blog about some caracteristics of Firefox 3.5, the blog is in Spanish, to make Mexico a Firefox users country.
    Good luck to everybody.

    June 30th, 2009 at 16:39

  6. […] 正好hacks.mozilla.org上也写了一篇”Firefox 3.5 is out“,我连翻译带自己白话凑一篇,呵呵──这几天在忙着升级网站内容到3.5,所以翻译35天系列的任务也放下,好在没有落下太多。 […]

    June 30th, 2009 at 18:51

  7. Mariusz Nowak

    Great work :)
    It looks very promising however I found one strange behavior that broke my code (I’m not sure can I call it a bug).

    HTMLElement.prototype.qs = HTMLElement.prototype.querySelector;
    var div = document.getElementsByTagName(“div”)[0];
    div.qs(“a”) // Exception: Illegal operation on WrappedNative prototype object

    It’s all because:
    HTMLDivElement.prototype.querySelector === HTMLElement.prototype.querySelector // false

    Every element type have different implementation of querySelector, weird :)

    July 1st, 2009 at 02:54

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