Developer Tools

Cool features of Firefox Developer Tools (16)
Javascript's alert does not work in responsive design mode (2)
Performance analysis (1)
Browser compatibility tool ( 2 ) (33)
Disable panels added by extensions (5)
Sources Not Loading (3)
Filter/sort css sheet list (1)
Quantum - Beta vs Developer Edition (5)
Filtering in web console is confusing + bonus (11)
Add 'Save as JPG' to 'Take a Screenshot' feature in Responsive Design Mode (2)
Firefox Developer Edition 58 (11)
Screensize (6)
High CPU and memory Usage on mac - firefox developer edition (2)
Add-ons to replace FireFTP? (3)
Is it possible to refresh only CSS? (2)
Developer coexistance with normal FF (2)
Things I miss about Firebug (7)
Developer console case-sensitivity intellisense (3)
I Miss Server Log (FirePHP, ChromePHP, etc) (3)
Language packs in dev edition? (4)
Load time for slow 3G/fast 3 G (2)
XHR request parametrs (3)
DevTools visual refresh coming to Nightly ( 2 ) (37)
JS files are showing in Others tab (2)
Events delegation (2)
Inspector: Pulling all relevant CSS for a node (13)
How do I change the language on Firefox Dev Edition? (3)
Feature Request: Save to Dropbox (3)
Request: sort CSS rules alphabetically (5)
Does Mozilla intend to support the Generic Sensor API (4)