I picked up, a MacMini M1, last week.
This is the 1st test of M1.
Boot to desktop, under 7 seconds.
Compile faster, but launch from IDE, no difference.
2 Schemes, IDE, (Catalyst App)
My Mac (native M1)
And
My Mac (Rosetta)
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From IDE (M1),
When push an Overlay Widget on TOP, crashed.
Change Scheme to MyMac (Rosetta)
No Problem.
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Run the Binary from Desktop
M1-App, no problem.
So, it was IDE problem, NOT M1.
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Mac Mini M1, 512G 8G,
MacOS 11.5.2
Xcode 12.5.1