Firebug 1.8.0 brings Firefox 5.0 support
Aug 02, 2011, 19:00 (0 Talkback[s])
"Firebug 1.8.0 adds a new console.timeStamp() method; with the
execution and compare them against HTTP traffic timing in the Net
panel timeline. Local and remote IP addresses, as well as port
numbers for each request, are displayed in the Net panel, and two
new DOM panel options have been added: Show Own Properties Only and
Show Enumerate Properties Only.