Firebug 1.8.2 fixes 22 issues since (1.8.1) and is compatible with Firefox 5, 6 and 7 (beta)
Beta channel on AMO is also updated (1.8.2b1 is the same as 1.8.2).
This is a maintenance release and it mainly fixes reported issues. One enhancement to note:
Nodes inside the HTML panel can now be expanded/collapsed via * or the context menu option “Expand/Contract All” excluding script, style and link tags. To expand all nodes simply additionally press Shift.
Please post feedback in the newsgroup, thanks!
Jan Honza Odvarko