Xcode > Target > Signing & Capabilities Automaticaly manage signing Mac OS Signing Certificate: Development --> Provisioning Profile None Required General Identity App Category Productivity Transporter Asset validation failed (90242) --> "Cannot be used with TestFlight because the bundle at “LargeNumberCalculator.app” is missing a provisioning profile. Main bundles are expected to have provisioning profiles in order to be eligible for TestFlight." (90889). What is wrong: "Provisioning Profile None Required" vs "missing a provisioning profile" ?

"Certificates, Identifiers & Profiles" have two "Developer ID Installer" certificates, two "Development" certificates and two "Mac Installer Distribution" certificates. Is it a problem ? How to delete duplicated certificates ? How to fix it ? Can I submit an Mac application to Apple Store with old OS: Big Sure ? Ventura ?

Every time a (valid) vector instruction is added to the .s file, xcode report an error (without vector instruction the .s file compile correctly) By example vand q8, q8, q10 found in https://developer.apple.com/forums/thread/104424 give an error What I am missing to tell xcode to accept vector instruction ?

What happen when a deprecated method is used in project submitted to Apple Store Connect ? Generally the Apple documentation give the alternative like "Use ***: instead" but sometime the documentation do not suggest anything. What to do when a such Warning happen ?

After ther Mac application is launched: Log error: CGSWindowShmemCreateWithPort failed on port 0 and when the application quit: No error handler for XPC error: Connection invalid Appear with Xcode 15.4 but not with 12.4 As repported by Steve4442 in "Can someone explain this message" https://Forums.Developer.Apple.com/Forums/Thread/727803 . The code don't use "windowNumbersWithOptions" Can I ignore this log message ?

The application search for the occurences of a string into files and folders. Everything work fine until I enable sanbox. Then opendir(path_to_folder) report "Operation not permitted". By example dp = opendir("/Users/alain/Desktop"); set dp to NULL for my own Desktop. The application need only read access. How can I get this access ?

How to change Bundle ID in "Certificates, Identifiers & Profiles" (Edit your App ID Configuration) ? Which certificate is needed for a free Mac application (.app) ? The application need only save\restore disk data (no extension, no wifi, no In-App Purchase, etc). A very simple basic 3 windows application (type math Calculator). Do I need set some "Capabilities" (App Services) ?

Mac Pro 2019, Tahoe 26.3, Xcode 26.2 Mac Mini 2023 M2, Tahoe 26.3, Xcode 26.2 On Mac Pro 2019 the app is only Intel while on Mac Mini 2023 M2 it is ARM64 only. Both have Standard Architectures (Apple Silicon, Intel). Both have Build Active Architecture Only is set to No (Debug + Release). Happen for default new projet macOS -> App and Obj-C, Xib. No change to defaults setting except uncheck "Automaticaly manage signing" and "Signing Certificate" set to "Sign to Run Locally" HOWEVER On Mac Pro 2019, BigSur 11.7.10, Xcode 14.10 the application is build Universal ! Why cannot build universal with Tahoe 26.3, Xcode 26.2 ? Can I submit a Mac applcation to App Store Connect with BigSur 11.7.10, Xcode 14.10 ? What are the minimal version of Mac Os and Xcode to submit a Mac applcation to App Store Connect ?

App Store Connect: TestFlight show "Complete" for Mac application. What is the next step ? Do I need to invite (or create group for) testers ?

How to compile arm .s, x86 .s (and .c, .m ) files to a single universal .app in Xcode project ?