User Agent: Mozilla/5.0 (Windows NT 6.3; rv:36.0) Gecko/20100101 Firefox/36.04 Build ID: 20170403072723 Steps to reproduce: 1. Launch Firefox. 2. Go to any webstie e.g: http://edition.cnn.com/ 3. Press CTRL + Shift + Q (only on Ubuntu and Windows) Actual results: After pressing CTRL + Shift + Q, Developer tools is not displayed Expected results: After pressing CTRL + Shift + Q, Developer tools should be displayed.
Works for me on latest nightly on windows. Can you check with the latest release of Firefox? Firefox 36.04 is not supported anymore.
Works for me too with FF54 on Windows. Marking as WFM for now, feel free to re-open if it still occurs for you.