Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

Why I can't select device in the new Responsive Design Mode?

  • 2 fhreagra
  • 1 leis an bhfadhb seo
  • 1 view
  • Freagra is déanaí ó cor-el

more options

After a very recent update to both Firefox and Firefox Dev I can no longer select device or add one? Why ???

Please refer to the provided images below for the old and new version !

After a very recent update to both Firefox and Firefox Dev I can no longer select device or add one? Why ??? Please refer to the provided images below for the old and new version !

All Replies (2)

more options

There was a problem with uploading the image, but here it is !

more options

You only get the new design where you can select a device when multi-process windows is enabled and working.

You can check that in "Help -> Troubleshooting Information".

In the Firefox 54 DE version you may have to check the browser.tabs.remote.autostart on the about:config page.