Views that already have their own settings have a blue indicator in the View Selector list, whereas those that are using the global/project settings have a grey one.
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Only after the View Specific mode is enabled and a view specific setting is changed, the indicator turns blue anda view specific value is created. Otherwise, the view inherits the project settings.
Right-click on any view, displays Delete view settings option. It deletes the view specific project settings from the view. Note that the indicator in the View Selector remains blue, if the View Specific mode is only turned off and not deleted from the view.
If Resolution is the only view-specific setting different from the project settings and its aspect ratio is set to Crop Region, the View Selector indicator remains gray. This is because the resolution width/height are different for each view when the aspect ratio is set to Crop Region.