1. quarterly developer survey update

    • by Alix Franquet • MDN, Survey • 2 comments

    We are inviting developers to give us feedback through quarterly surveys so we can better understand your needs. Your feedback is crucial to help us build the best platform, tools, and content. Last November, we asked web developers to take a 20 question survey to Read more…

  2. Mozilla developer preview (Gecko 1.9.3a1) available for download

    • by Alix Franquet • CSS, Firefox, HTML5, Performance, SVG, WebGL • 9 comments

    Editor’s note: Today, Mozilla released a preview of the Gecko 1.9.3 platform for developers and testers. Check out the Mozilla Developer News announcement reposted below. A Mozilla Developer Preview of improvements in the Gecko layout engine is now available for download. This is a pre-release Read more…

  3. About:hacks newsletter – issue 2

    • by Alix Franquet • about:hacks, MDN • 3 comments

    Last week we sent out the second issue of about:hacks, Mozilla’s newsletter for web developers. Here are highlights from the topics covered in this new issue: Firefox 3.6 released: what’s new, how to give feedback Firefox for the Nokia N900 with Weave Sync released Developer Read more…

  4. Firefox 3.6 feedback

    • by Alix Franquet • Firefox 3.6 • 76 comments

    Firefox 3.6 was released on Jan 21st and has already been downloaded more than 35 million times! It features a faster JavaScript engine, faster DOM performance and a bunch of new HTML5 features. Highlights for web developers include support for the WOFF font format, new Read more…

  5. Firebug 1.5: a closer look

    • by Alix Franquet • Firebug • 15 comments

    Firebug 1.5 was released yesterday on addons.mozilla.org, where you can now download it. It’s compatible with the upcoming Firefox 3.6. If you’d like to take a more in-depth look at what’s new in Firebug 1.5, here’s a series of articles written by Firebug contributor Jan Read more…

  6. Firebug 1.5 released!

    • by Alix Franquet • Featured Article, Firebug • 24 comments

    Editor’s note: today the Firebug team released Firebug 1.5. Check out Rob Campbell’s announcement reposted below. I am very happy to be able to announce the release of Firebug 1.5.0 on addons.mozilla.org. This release represents a significant effort by the Firebug Working Group which saw Read more…

  7. JavaScript speedups in Firefox 3.6

    • by Alix Franquet • Featured Article, Firefox, Firefox 3.6, JavaScript, TraceMonkey • 85 comments

    This post was written by David Mandelin who works on Mozilla’s JavaScript team. Firefox 3.5 introduced TraceMonkey, our new JavaScript engine that traces loops and JIT compiles them to native (x86/ARM) code. Many JavaScript programs ran 3-4x faster in TraceMonkey compared to Firefox 3. (See Read more…

  8. the new about:hacks newsletter

    • by Alix Franquet • about:hacks, Featured Article, MDN • 4 comments

    Yesterday, we published the first issue of about:hacks, Mozilla’s newsletter for web developers. If you asked to receive news and updates from Mozilla in our November survey, it should be waiting for you in your inbox. About:hacks will be published monthly, and will include demos, Read more…

  9. css backgrounds in Firefox 3.6

    • by Alix Franquet • CSS, Firefox, Firefox 3.6 • 17 comments

    Firefox 3.6 allows you to do more with CSS backgrounds: you can use gradients, set a background size, and specify multiple backgrounds. Custom Background Size In Firefox 3.6, you can specify the size of a background image to scale it as a percentage of the Read more…

  10. css gradients in Firefox 3.6

    • by Alix Franquet • CSS, Feature, Featured Article, Firefox 3.6, Standards • 54 comments

    Read more…