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This is a giant step backwards. One of the nice things about macOS is the built in apache including PHP. Please reconsider this.
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A few people have reported that copying and renaming the 14.5 DeviceSupport folder to 14.6 within Xcode will work.
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I am running into this same problem. Checking the code sign gives me:
valid on disk
satisfies its Designated Requirement
and both the main app and helper app have:
keycom.apple.security.app-sandbox/key
true/
Yet when trying to upload I get:
ERROR ITMS-90296: "App sandbox not enabled. The following executables must include the "com.apple.security.app-sandbox" entitlement with a Boolean value of true in the entitlements property list: [( "com.xericdesign.earthdesk.mas.pkg/Payload/EarthDesk.app/Contents/Library/LoginItems/EarthDesk Launcher.app/Contents/MacOS/EarthDesk Launcher" )] Refer to App Sandbox page at https://developer.apple.com/documentation/security/app_sandbox for more information on sandboxing your app."
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Just an update
By changing all the Code Signing Identities to "Apple Distribution" it now is accepted by Transporter, but the app itself does not run and fails under a "spctl -a -v" check, but passes a check with "codesign -v --strict --deep --verbose=2"
The internal embedded.provisionprofile seems to have different entitlements than I specified in my --entitlements when signing.
Honestly, I spend 40% of my time coding my app and 60% fighting with certificates, signing, entitlements, provisioning and all the other junk that we have to do now. I miss the days of CodeWarrior and even MPW when things just worked.
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I have filed a DTS incident for this as it is a fairly complex project.
