Big Sur 11 beta 10 & Xcode: Nothing is working

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Created Oct ’20

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I installed the latest macOS Beta 10, but I cannot launch my apps from Xcode 12.2 beta 2 anymore because an instant crash: dyld`dylddebugger_notification

Saw that Xcode 12.1 GM is out, downloaded it but the old problem I reported in Xcode 12 GM is back: Multiplatform apps gone from the New Project templates and existing Multiplatform apps cannot be compiled because of missing UniformTypeIdentifiers on OSX.

This issue seems to only pop up in Xcode GMs but not in the betas. As Xcode 12.2 beta 2 does not work for me with Big Sur 11 beta 10 and I cannot reverse back to beta 9 my desktop setup seems to be wrecked for the moment.

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Answer 1

workingdogintokyo OP

Oct ’20

try turning off "Debug executable" in the active scheme,
Product->Scheme->Edit scheme->Run->Info

1

Answer 2

markus.phrae OP

Oct ’20

Thanks for the suggestion. But after posting this I just saw that 12.2 Beta 3 is also released which fixes all issues for me (the starting issue as well as the missing cross platform document support).

So all good. Just strange that the missing document support is in 12.1 GM.

1

Answer 3

markus.phrae OP

Oct ’20

Actually I still have the problem. The app started 2-3 times and after that I got the problem with dyld`dylddebugger_notification again, your suggestion with turning off "Debug executable" works, thanks!

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