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Error when debugging: Cannot create Swift scratch context

When I run my app from Xcode 12b1 and hit a break point, LLDB says "Cannot create Swift scratch context (couldn't load the Swift stdlib)" and any subsequent commands like "po" seem to do nothing. Who can I fix this?

• Xcode
• LLDB

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by mhoeller.

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Hiding the map layer in MKMapView

I want to use an MKMapView only for its capabilities to render geometries such as polylines and polygons. I want to hide all map features completely. Unfortunately there doesn't seem to be an easy way to do this. I tried using a custom tile renderer that just renders a gray tile, but I get a lot of artifacts when panning and zooming (see screenshot at https://ibb.co/VJZwbsN).Is there any better way to achieve this?

• Core Location

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by mhoeller.

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