Indeed. "Smallest width" dev setting of 600 is the smallest DPI that is considered "tablet" by android. Setting it to that makes the setting magically appear.
The reason for that appears to be that the tab bar takes up about half of the screen on lower DPIs. It's hilariously large.
Need Firefox nightly:
Go to Settings
About Firefox Nightly
Tap the icon 5 times to unlock debug mode
Go back
Under the about section you'll see Secret Settings
Turn Enable Tab Strip on
That setting does not exist for me
125.0a1 2016006983
I'm guessing, but I think it only works for tablets. As I don't see it on my phone, but do see it on my tablet.
Indeed. "Smallest width" dev setting of 600 is the smallest DPI that is considered "tablet" by android. Setting it to that makes the setting magically appear.
The reason for that appears to be that the tab bar takes up about half of the screen on lower DPIs. It's hilariously large.