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

  • 2 cavab
  • 1 has this problem
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  • Last reply by cor-el

ninjabeetle
ninjabeetle
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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)

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

cor-el
cor-el
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  • Top 10 Contributor
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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.