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how to get notified when window size changes w app running on Mac

I have a swiftui iPhone app running on the "iOS Apps on Mac" simulator. What I'm trying to do is get a notification when the window size changes, but nothing seems to work. I have tried .onReceive(NotificationCenter.default.publisher(for: UIContentSizeCategory.didChangeNotification)) { _ in updateStuff() } I also tried .onAppear() { updateStuff() } but neither seems to get called any suggestions ?
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by MrGadzoinks.
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Lazyvgrid visual promblems after orientation change

I'm having issues with a Lazyvgrid displaying images after the screen orientation changes ( either from horizontal to portrait, or the reverse ) What happens is the images are not sized correctly. If 2 column , I see 1/3 of column 1 and the image in column 2 takes 2/3 of the screen width. Similar issues with 3 or 6 column layout. The Lazyvgrid is inside a ScrollView and thats inside a Tabview. I'v tried to trick an update by changing the column layout, the content mode (fit/fill) of the images, etc. but so far nothing has worked. Any suggestions ?, anyway to invalidate a lazyvgrid and have swiftui rebuild it ? Thanks.
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by MrGadzoinks.
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Is there a way un-invalidate a Tip with TipKit ?

I'd like to offer an option to let my users see tips again. Is there a way to do this either globally, or per tip ? right now the only option I see is to have initialization login to call Tips.resetDatastore() and have the user restart the app. I'm currently using events and rules to only show each tip once.
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by MrGadzoinks.
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