Debugging is probably one of a developer's least favorite tasks but, regrettably, it's an essential part of software development.
For any developer who has been driven mad by debugging, FireBug provides an ultra quick, easy and headache-free way of developing your code.
- getfirebug.com has Firebug 1.8.3. This release has been also uploaded on AMO (it can take some time to pass the review process). Firebug 1.8.3 fixes 7 issues since (1.8.2) and is compatible with Firefox 5, 6, 7, 8 Beta channel on AMO is also updated (1.8.3b1 is the same as 1.8.3)