Hi Honza,I am using Firefox 37 version with Firebug installed and everything was working fine till this afternoon. After deleting all cookies and cache I couldn't see firebug icon in my Firefox browser but I can see it installed under Add-ons>Extensions. I have tried reinstalling Firebug 2.0.15 on Firefox 37 but it didn't work.
This is blocking my testing on selenium. Could you please fix this?