NSPredicateEditor row templates not configurable in interface builder
问题 I'm creating an assistant sheet in my storyboard in interface builder. The viewController contains an NSPredicateEditor and is connected to a property of the viewController using cocoa bindings. However, I'm not able to properly configure the row templates. When I uncheck one of the predicate operators, I'm not able to re-enable them, nor I'm able to use any of the other provided operators. Doesn't Xcode support NSPredicateEditor anymore, or am I doing anything wrong here? Just to be clear, I