Bug 1647221 Comment 0 Edit History

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[Affected versions]: 
Nightly 79.0a1 (2020-06-22)

[Affected platforms]:
Platforms: Windows 10

[Preconditions]
Have devtools.responsive.browserUI.enabled = true

Steps : 
1. Launch the Firefox browser and reach about:Preferences or about:Config.
2. Hit Ctrl+Shift+M in order to start Responsive Design Mode

Expected Results :
The "Responsive Design Mode is only available for remote browser tabs, such as those used for web content multi-process Firefox" message is displayed and the user is unable to start RDM.

Actual Results : 
The user can start RDM in about:config or about:preferences
[Affected versions]: 
Nightly 79.0a1 (2020-06-22)

[Affected platforms]:
Platforms: Windows 10, Ubuntu 18.04, Mac OSX 10.14

[Preconditions]
Have devtools.responsive.browserUI.enabled = true

Steps : 
1. Launch the Firefox browser and reach about:Preferences or about:Config.
2. Hit Ctrl+Shift+M in order to start Responsive Design Mode

Expected Results :
The "Responsive Design Mode is only available for remote browser tabs, such as those used for web content multi-process Firefox" message is displayed and the user is unable to start RDM.

Actual Results : 
The user can start RDM in about:config or about:preferences

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