Firebug 1.5.0

Firebug 1.5 is Firebug 1.4 with enhancements and bug fixes. It supports Firefox 3.5 and 3.6. 1.5 release notes Among the major enhancements:

Mike Radcliffe’s Inspector. A key feature, now solid as a rock,
Jan ‘Honza’ Odvarko’s expanded and refined Net panel, with accurate [...]

Firebug 1.4.5

A minor revision / update is available either via the updater or at http://getfirebug.com/releases/firebug/1.4/

Firebug Lite

Firebug is an extension for Firefox, but what happens when you need to test your pages in Internet Explorer, Opera, and Safari?
The solution is Firebug Lite, a JavaScript file you can insert [...]

Firebug 1.5 – Beta

Firebug 1.5 is Firebug 1.4 with bug fixes. 1.5 release notes Only the tracing-enabled version is currently available. To use tracing use Open Firebug Tracing from the Firebug menu on the [...]

Firebug 1.4.4

Firebug 1.4
Firebug 1.4 supports both Firefox 3.0 and Firefox 3.5. New features include:

Curtis Bartley’s Tabs-on-top UI
Han Hillen’s Accessibility and Key Rebinding,
Kevin Decker’s multi panel search
Jan ‘Honza’ Odvarko’s continually amazing Net panel.
Break on next, and performance improvements for the Script panel
Over 150 bug reports fixed

For details see the [...]