Firebug 1.5: a closer look

Firebug 1.5 was released yesterday on, 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 Odvarko (aka Honza):

If you’ve had a chance to try the new Firebug, comment here or in the Firebug newsgroup and tell the team what you think!

About Alix Franquet

More articles by Alix Franquet…


  1. David

    Too bad it doesn’t work with Firefox 64bit…

    January 20th, 2010 at 18:47

  2. ANDiTKO

    Hello. I have a problem with the new firefox 3.6 and FireBug 1.5.
    When i right click in an element and select “Inspect Element” the FireBug window dose not respont to that command anymore. The only way to inspect an element is from the bottom menu -> then selecting the “inspect element” option. But the right click on a page “inspect element” dose not work. Please fix it!

    January 20th, 2010 at 21:32

  3. […] Panel” che permette di analizzare comodamente il traffico di rete in una pagina web Su Mozilla Hacks sono raccolti una serie di post che descrivono le nuove funzionalità di Firebug […]

    January 21st, 2010 at 02:10

  4. xul

    >> nodes don’t automatically open and close when selecting them, double click to do so (Alt-double-click to edit)

    GREAT, GREAT, GREAT what a breeze !
    so big thanks to all fb devs

    January 21st, 2010 at 06:47

  5. Rob Campbell

    @David Yes, it’s not ideal, but in the run-up to 3.6, we didn’t have time or resources to fix on Linux 64. I’m hoping we can get a fix in place for a point release in the near future. In the meantime, Firebug 1.4.5 should work with Firefox 3.5 or 3.6.

    January 21st, 2010 at 11:06

  6. Zack

    Why should Firebug break at all on 64-bit anything? There aren’t binary components, are there? Please tell me there aren’t.

    On a more serious note, I just had all the style rules vanish from the style tab of the right half of the HTML panel. :-(

    January 21st, 2010 at 17:16

  7. johnjbarton

    @Zack, Firebug does not break anything on 64 bit. 64 bit is broken all by itself. Its not even supported by mozilla.

    January 26th, 2010 at 10:13

    1. Zack

      I don’t especially care what Mozilla does or does not support; it’s not practical for me to use anything but 64-bit builds. When things don’t work I file bugs.

      Are you saying that there is nothing that Firebug does that *should* break on a Gecko runtime built with 64-bit pointers? Have you filed bugs on what does break?

      January 26th, 2010 at 13:35

      1. Steven Roussey

        Well, Ubuntu had a bug report on it going back to last August. They didn’t want to bother with fixing things since Firebug was alpha/beta releases. I suppose they wanted the final version to go out and break things before they issued their fix. I think Suse fixed it a long time ago. Fedora, not so much.

        January 27th, 2010 at 18:34

  8. johnjbarton

    @Zack, Any crash of Firefox with Firebug is a Firefox bug We are just a JS program.

    We don’t test Firebug on 64 bit builds, so no I don’t file bugs on 64 bit builds. It’s not practical for us to work on unsupported builds.

    The bug in question here was fixed back in Dec. The fix shipped with Firefox 3.6 and will ship with 3.5.8. You can get a fixed 3.6 build from mozilla downloads at anytime.

    January 26th, 2010 at 14:19

  9. […] Firebug 1.5: a closer look – Alle neuen Features der neuen Firebug-Version unter der […]

    January 27th, 2010 at 06:17

  10. Otto

    I just installed Firebug in SeaMonkey (2.1) and it worked ;-) but there still are some errors, it crashed SeaMonkey twice. Hope this will improve I’d rather prefer SeaMonkey over FF.

    February 4th, 2010 at 14:26

  11. Lily Bu

    Net panel did not show a +/- icon of each request which can expand/contract request/response. And seems cached request even not show in this panel.

    February 5th, 2010 at 00:11

  12. Webstandard-Blog

    Thx for sharing those firebug ressources, especially the “Page load analysis” link

    May 11th, 2010 at 00:08

  13. Nikkie

    Firebug is a tremendous tool. But there is something that would make even more useful. It would be something that no other software I know of provides, but something that’s essential in those environments where there are multiple style sheets with excessively and poorly applied cascading and redundant styles. It would be nice if when you click on an element in the HTML pane if Firebug could propose a style sheet + element lineage + location that would ultimately establish precedence.

    September 7th, 2010 at 14:24

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