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    Bug 
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    Resolution: Done
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    P0: Blocker 
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    5.12.0
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    None
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        2697148775703883ae700b15d4efe240050273a1 (qt/qtbase/5.12.0)
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        Bug Fixing Week Q2/2020
AppKit only enables layer-backed views on 10.14, if built against the 10.14 SDK.