Version 2.0 does not run in Firefox 30 after update Rated 2 out of 5 stars

I just updated Firefox to 30 final release, and Firebug to version 2.0.
Firebug does not activate anymore for no website.

Installing again old 1.12 version on Firefox 30, runs correctly

This review is for a previous version of the add-on (2.0.1-signed). 

MediaQueries and Firebug Rated 4 out of 5 stars

Hi,
Chrome inspector tag highlights in right column what styles are under specific breakpoint (mediaqueries) for responsive layout.

I'm not be ablwe to obtain the same result in Firebug. Is it possible?

thank you

This review is for a previous version of the add-on (1.11.4.1-signed). 

MediaQueries and Firebug Rated 4 out of 5 stars

Hi,
Chrome inspector tag highlights in right column what styles are under specific breakpoint (mediaqueries) for responsive layout.

I'm not be ablwe to obtain the same result in Firebug. Is it possible?

thank you

This review is for a previous version of the add-on (1.11.4.1-signed).