Demystify code signing and its importance in app development. Get help troubleshooting code signing issues and ensure your app is properly signed for distribution.

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Application has stopped verifying
We package a nightly build of our application for distribution. About 1 month ago, this package has started showing the "Apple could not verify 'Application' is free of malware" message. This only happens to our development branch package. We run the same pipeline with the same signature for our stable branch and the stable package does not show this message. $ codesign -dv --verbose=4 KiCad.app Executable=/Applications/KiCad/KiCad/KiCad.app/Contents/MacOS/kicad Identifier=org.kicad.kicad Format=app bundle with Mach-O universal (x86_64 arm64) CodeDirectory v=20500 size=51931 flags=0x10000(runtime) hashes=1612+7 location=embedded VersionPlatform=1 VersionMin=722432 VersionSDK=983552 Hash type=sha256 size=32 CandidateCDHash sha256=4f15435c1d3cc056a83432b78a2f6acae8fb0e6d CandidateCDHashFull sha256=4f15435c1d3cc056a83432b78a2f6acae8fb0e6d03cbe70641719fd1ced3395b Hash choices=sha256 CMSDigest=4f15435c1d3cc056a83432b78a2f6acae8fb0e6d03cbe70641719fd1ced3395b CMSDigestType=2 Executable Segment base=0 Executable Segment limit=3915776 Executable Segment flags=0x1 Page size=4096 CDHash=4f15435c1d3cc056a83432b78a2f6acae8fb0e6d Signature size=9002 Authority=Developer ID Application: KiCad Services Corporation (9FQDHNY6U2) Authority=Developer ID Certification Authority Authority=Apple Root CA Timestamp=Dec 19, 2025 at 5:21:05 AM Info.plist entries=17 TeamIdentifier=9FQDHNY6U2 Runtime Version=15.2.0 Sealed Resources version=2 rules=13 files=37238 Internal requirements count=1 size=176 codesign --verify --verbose=4 KiCad.app <snipped all libs validated> KiCad.app: valid on disk KiCad.app: satisfies its Designated Requirement % spctl --assess --verbose=4 KiCad.app KiCad.app: accepted source=Notarized Developer ID We distribute this via dmg. The notarization ticket is stapled to the dmg and the dmg opens without warning. Any help would be appreciated
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Code Signing Identifiers Explained
Code signing uses various different identifier types, and I’ve seen a lot of folks confused as to which is which. This post is my attempt to clear up that confusion. If you have questions or comments, put them in a new thread, using the same topic area and tags as this post. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" Code Signing Identifiers Explained An identifier is a short string that uniquely identifies a resource. Apple’s code-signing infrastructure uses identifiers for various different resource types. These identifiers typically use one of a small selection of formats, so it’s not always clear what type of identifier you’re looking at. This post lists the common identifiers used by code signing, shows the expected format, and gives references to further reading. Unless otherwise noted, any information about iOS applies to iOS, iPadOS, tvOS, visionOS, and watchOS. Formats The code-signing identifiers discussed here use one of two formats: 10-character This is composed of 10 ASCII characters. For example, Team IDs use this format, as illustrated by the Team ID of one of Apple’s test teams: Z7P62XVNWC. Reverse-DNS This is composed of labels separated by a dot. For example, bundle IDs use this format, as illustrated by the bundle ID of the test app associated with this post: com.example.tn3NNNapp. The Domain Name System has strict rules about domain names, in terms of overall length, label length, text encoding, and case sensitivity. The reverse-DNS identifiers used by code signing may or may not have similar limits. When in doubt, consult the documentation for the specific identifier type. Reverse-DNS names are just a convenient way to format a string. You don’t have to control the corresponding DNS name. You can, for example, use com.<SomeCompany>.my-app as your bundle ID regardless of whether you control the <SomeCompany>.com domain name. To securely associate your app with a domain, use associated domains. For more on that, see Supporting associated domains. IMPORTANT Don’t use com.apple. in your reverse-DNS identifiers. That can yield unexpected results. Identifiers The following table summarises the identifiers covered below: Name | Format | Example | Notes ---- | ------ | ------- | ----- Team ID | 10-character | `Z7P62XVNWC` | Identifies a developer team User ID | 10-character | `UT376R4K29` | Identifies a developer Team Member ID | 10-character | `EW7W773AA7` | Identifies a developer in a team Bundle ID | reverse-DNS | `com.example.tn3NNNapp` | Identifies an app App ID prefix | 10-character | `Z7P62XVNWC` | Part of an App ID | | `VYRRC68ZE6` | App ID | mixed | `Z7P62XVNWC.com.example.tn3NNNNapp` | Connects an app and its provisioning profile | | `VYRRC68ZE6.com.example.tn3NNNNappB` | Code-signing identifier | reverse-DNS | `com.example.tn3NNNapp` | Identifies code to macOS | | `tn3NNNtool` | App group ID | reverse DNS | `group.tn3NNNapp.shared` | Identifies an app group | reverse DNS | `Z7P62XVNWC.tn3NNNapp.shared` | Identifies an macOS-style app group As you can see, there’s no clear way to distinguish a Team ID, User ID, Team Member ID, and an App ID prefix. You have to determine that based on the context. In contrast, you choose your own bundle ID and app group ID values, so choose values that make it easier to keep things straight. Team ID When you set up a team on the Developer website, it generates a unique Team ID for that team. This uses the 10-character format. For example, Z7P62XVNWC is the Team ID for an Apple test team. When the Developer website issues a certificate to a team, or a user within a team, it sets the Subject Name > Organisational Unit field to the Team ID. When the Developer website issues a certificate to a team, as opposed to a user in that team, it embeds the Team ID in the Subject > Common Name field. For example, a Developer ID Application certificate for the Team ID Z7P62XVNWC has the name Developer ID Application: <TeamName> (Z7P62XVNWC). ### User ID When you first sign in to the Developer website, it generates a unique User ID for your Apple Account. This User ID uses the 10-character format. For example, UT376R4K29 is the User ID for an Apple test user. When the Developer website issues a certificate to a user, it sets the Subject Name > User ID field to that user’s User ID. It uses the same value for that user in all teams. Team Member ID When you join a team on the Developer website, it generates a unique Team Member ID to track your association with that team. This uses the 10-character format. For example, EW7W773AA7 is the Team Member ID for User ID UT376R4K29 in Team ID Z7P62XVNWC. When the Developer website issues a certificate to a user on a team, it embeds the Team Member ID in the Subject > Common Name field. For example, an Apple Development certificate for User ID UT376R4K29 on Team ID Z7P62XVNWC has the name Apple Development: <UserName> (EW7W773AA7). IMPORTANT This naming system is a common source of confusion. Developers see this ID and wonder why it doesn’t match their Team ID. The advantage of this naming scheme is that each certificate gets a unique name even if the team has multiple members with the same name. The John Smiths of this world appreciate this very much. Bundle ID A bundle ID is a reverse-DNS identifier that identifies a single app throughout Apple’s ecosystem. For example, the test app associated with this post has a bundle ID of com.example.tn3NNNapp. If two apps have the same bundle ID, they are considered to be the same app. Bundle IDs have strict limits on their format. For the details, see CFBundleIdentifier. If your macOS code consumes bundle IDs — for example, you’re creating a security product that checks the identity of code — be warned that not all bundle IDs conform to the documented format. And non-bundled code, like a command-line tool or dynamic library, typically doesn’t have a bundle ID. Moreover, malicious code might use arbitrary bytes as the bundle ID, bytes that don’t parse as either ASCII or UTF-8. WARNING On macOS, don’t assume that a bundle ID follows the documented format, is UTF-8, or is even text at all. Do not assume that a bundle ID that starts with com.apple. represents Apple code. A better way to identify code on macOS is with its designated requirement, as explained in TN3127 Inside Code Signing: Requirements. On iOS this isn’t a problem because the Developer website checks the bundle ID format when you register your App ID. App ID prefix An App ID prefix forms part of an App ID (see below). It’s a 10-character identifier that’s either: The Team ID of the app’s team A unique App ID prefix Note Historically a unique App ID prefix was called a Bundle Seed ID. A unique App ID prefix is a 10-character identifier generated by Apple and allocated to your team, different from your Team ID. For example, Team ID Z7P62XVNWC has been allocated the unique App ID prefix of VYRRC68ZE6. Unique App ID prefixes are effectively deprecated: You can’t create a new App ID prefix. So, unless your team is very old, you don’t have to worry about unique App ID prefixes at all. If a unique App ID prefix is available to your team, it’s possible to create a new App ID with that prefix. But doing so prevents that app from sharing state with other apps from your team. Unique app ID prefixes are not supported on macOS. If your app uses a unique App ID prefix, you can request that it be migrated to use your Team ID by contacting Apple > Developer > Contact Us. If you app has embedded app extensions that also use your unique App ID prefix, include all those App IDs in your migration request. WARNING Before migrating from a unique App ID prefix, read App ID Prefix Change and Keychain Access. App ID An App ID ties your app to its provisioning profile. Specifically: You allocate an App ID on the Developer website. You sign your app with an entitlement that claims your App ID. When you launch the app, the system looks for a profile that authorises that claim. App IDs are critical on iOS. On macOS, App IDs are only necessary when your app claims a restricted entitlement. See TN3125 Inside Code Signing: Provisioning Profiles for more about this. App IDs have the format <Prefix>.<BundleOrWildcard>, where: <Prefix> is the App ID prefix, discussed above. <BundleOrWildcard> is either a bundle ID, for an explicit App ID, or a wildcard, for a wildcard App ID. The wildcard follows bundle ID conventions except that it must end with a star (*). For example: Z7P62XVNWC.com.example.tn3NNNNapp is an explicit App ID for Team ID Z7P62XVNWC. Z7P62XVNWC.com.example.* is a wildcard App ID for Team ID Z7P62XVNWC. VYRRC68ZE6.com.example.tn3NNNNappB is an explicit App ID with the unique App ID prefix of VYRRC68ZE6. Provisioning profiles created for an explicit App ID authorise the claim of just that App ID. Provisioning profiles created for a wildcard App ID authorise the claim of any App IDs whose bundle ID matches the wildcard, where the star (*) matches zero or more arbitrary characters. Wildcard App IDs are helpful for quick tests. Most production apps claim an explicit App ID, because various features rely on that. For example, in-app purchase requires an explicit App ID. Code-signing identifier A code-signing identifier is a string chosen by the code’s signer to uniquely identify their code. IMPORTANT Don’t confuse this with a code-signing identity, which is a digital identity used for code signing. For more about code-signing identities, see TN3161 Inside Code Signing: Certificates. Code-signing identifiers exist on iOS but they don’t do anything useful. On iOS, all third-party code must be bundled, and the system ensures that the code’s code-signing identifier matches its bundle ID. On macOS, code-signing identifiers play an important role in code-signing requirements. For more on that topic, see TN3127 Inside Code Signing: Requirements. When signing code, see Creating distribution-signed code for macOS for advice on how to select a code-signing identifier. If your macOS code consumes code-signing identifiers — for example, you’re creating a security product that checks the identity of code — be warned that these identifiers look like bundle IDs but they are not the same as bundle IDs. While bundled code typically uses the bundled ID as the code-signing identifier, macOS doesn’t enforce that convention. And non-bundled code, like a command-line tool or dynamic library, often uses the file name as the code-signing identifier. Moreover, malicious code might use arbitrary bytes as the code-signing identifier, bytes that don’t parse as either ASCII or UTF-8. WARNING On macOS, don’t assume that a code-signing identifier is a well-formed bundle ID, UTF-8, or even text at all. Don’t assume that a code-signing identifier that starts with com.apple. represents Apple code. A better way to identify code on macOS is with its designated requirement, as explained in TN3127 Inside Code Signing: Requirements. App Group ID An app group ID identifies an app group, that is, a mechanism to share state between multiple apps from the same team. For more about app groups, see App Groups Entitlement and App Groups: macOS vs iOS: Working Towards Harmony. App group IDs use two different forms of reverse-DNS identifiers: iOS-style This has the format group.<GroupName>, for example, group.tn3NNNapp.shared. macOS-style This has the format <TeamID>.<GroupName>, for example, Z7P62XVNWC.tn3NNNapp.shared. The first form originated on iOS but is now supported on macOS as well. The second form is only supported on macOS. iOS-style app group IDs must be registered with the Developer website. That ensures that the ID is unique and that the <GroupName> follows bundle ID rules. macOS-style app group IDs are less constrained. When choosing such a macOS-style app group ID, follow bundle ID rules for the group name. If your macOS code consumes app group IDs, be warned that not all macOS-style app group IDs follow bundle ID format. Indeed, malicious code might use arbitrary bytes as the app group ID, bytes that don’t parse as either ASCII or UTF-8. WARNING Don’t assume that a macOS-style app group ID follows bundle ID rules, is UTF-8, or is even text at all. Don’t assume that a macOS-style app group ID where the group name starts with com.apple. represents Apple in any way. Some developers use app group IDs of the form <TeamID>.group.<GroupName>. There’s nothing special about this format. It’s just a macOS-style app group ID where the first label in the group name just happens to be group Starting in Feb 2025, iOS-style app group IDs are fully supported on macOS. If you’re writing new code that uses app groups, use an iOS-style app group ID. This allows sharing between different product types, for example, between a native macOS app and an iOS app running on the Mac. Revision History 2026-01-06 First posted.
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“In Progress” status stuck for over 21 hours with no result
Hi everyone, I’ve just subscribed and configured my Apple Developer account. I tried to notarize the first binary I need to distribute via Homebrew, but I’m experiencing an issue where the process has been stuck in “In Progress” status for more than 21 hours, without completing or returning any errors. Here’s the relevant history: createdDate: 2025-10-15T21:53:41.343Z status: In Progress
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VM App - PCIDriverKit Entitlement for Thunderbolt
I want to help contribute a feature in a virtual-machine app in macOS that supports PCIe device passthrough over thunderbolt. I have a question about the entitlements. Since I do not represent the GPU vendors, would I be allowed to get a driver signed that matches GPU vendor IDs? Is there such a thing as wildcard entitlement for PCIDriverKit? I don't want end-users to have to disable SIP to be able to use this. Any suggestions/leads? Thank you.
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Notifications filtering request - do we need separate approvals for apps belonging in the same account?
I have two apps - say A and B in my AppStore account, deployed in the AppStore. App A has obtained the com.apple.developer.usernotifications.filtering entitlement and this is added to my AppStore account by Apple after approval. Note that this is added for the account, and not for the specific app. Now, my app B also wants this functionality. Followed all the steps as done for app A - adding the already approved entitlement to my app B's identifier, regenerating the profiles, adding the key in the entitlements file, calling the completion handler with empty content like - contentHandler(UNNotificationContent()) Still the notifications show, the filtering is not working. Do I have to request the entitlement for App B separately? Even if I do request again, I am not sure if there is going to be any difference in the steps already done. The difference can only be if Apple has a mapping with the app id internally in their system, for the filtering to work? If I have white-labelled versions of apps A or B, do I have to request again then? Or does Apple restrict only one app to have this entitlement from one AppStore account? Please guide on the next steps here.
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Declared Age Range API Capability for Enterprise App
Hey Apple Friends, We currently have an enterprise version of our app for debugging and internal distribution. Our release configuration uses our App Store account. However, it appears you cannot add a 'Declared Age Range' to the Enterprise app as a capability making it impossible to debug because we have added the 'Declared Age Range API' locally, but we cannot add it as a capability on the dev portal. Is there any work around for this?
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"Signing certificate" and post-installation assignment fail due to IOPCIPrimaryMatch
I'm having trouble configuring the "IOPCIPrimaryMatch" entitlement. I'm currently developing using "sign to run locally" and have been able to confirm the expected behavior. I was considering signing with "Developer ID Application" for future distribution to customers, but after finding the following forum, I'm now aiming to sign with "Apple Development." https://developer.apple.com/forums/thread/743021 I'm currently having trouble with the IOPCIPrimaryMatch value. The "signing certificate" status in Xcode changes depending on the value, as follows: Successful if the value is as follows: IOPCIPrimaryMatch 0xFFFFFFFF&0x00161916 An error occurs if the value is as follows: IOPCIPrimaryMatch 0xFFFFFFFF&0x00161916 So I tried building and installing using "0xFFFFFFFF&0x00161916", but this time the driver was not assigned to the PCI device. By the way, when I used "sign to run locally", both the installation and assignment were successful with the following: IOPCIPrimaryMatch 0xFFFFFFFF&0x00161916 Could you please tell me the correct way to write this?
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WatchOS Companion app on VPP Crashing on Launch
Hello, I sent this in as a feedback several weeks ago about watchOS 26.2 beta 2 but since the issue is still active now that watchOS 26.2 is in production I'm reposting here for the community. I would also like to submit a DTS about this issue but honestly don't know the best way to go about it and would appreciate advice about that. There seems to be an issue with VPP distribution for our app on watchOS 26.2. When our watchOS companion app is launched after being installed through VPP to a supervised iPhone, it encounters a dyld error before main() or any application code is even called. The same app launches correctly in every other circumstance we could imagine and test: – Installed through VPP on supervised devices running watchOS 26.1. – Installed from the app store (using an apple id) on a supervised iPhone and paired watch running iOS 26.2 / watchOS 26.2. – Installed through Testflight on a supervised iPhone and paired watch running iOS 26.2 / watchOS 26.2. – Installed through the app store on unsupervised devices running watchOS 26.1 and 26.2. This strongly appears to be a VPP signing issue because we even did the following experiment: Install iPhone and Watch apps through the App Store on a supervised device pair running public iOS 26.2 beta 2 / watchOS 26.2 beta 2. Verify that both apps launch successfully. Use an MDM command to install from VPP over the existing installations Verify that the watch app fails to launch (the iOS app is unaffected) My feedback included some crash logs which I won't be reposting publicly here. Any feedback or ideas appreciated.
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Dec ’25
Side Button Access entitlement not appearing in Xcode capabilities list
Hi everyone, I'm trying to add the Side Button Access entitlement to my voice-based conversational app following the documentation, but I'm unable to find it in Xcode. Steps I followed: Selected my app target in Xcode project navigator Went to the Signing & Capabilities tab Clicked the + Capability button Searched for "Side Button Access" Problem: The "Side Button Access" option does not appear in the capabilities list at all. Environment: I'm developing and testing in Japan (where this feature should be available) Xcode version: Xcode 26.2 beta 3 iOS deployment target: iOS 26.2 Questions: Is there any pre-registration or special approval process required from Apple before this entitlement becomes available? Are there any additional requirements or prerequisites I need to meet? Is this feature already available, or is it still in a limited beta phase? Any guidance would be greatly appreciated. Thank you!
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Dec ’25
Tap to Pay Entitlement only for development
Hi, We applied for Tap to Pay on iPhone entitlement and were approved, but on distribution support it's only showing Development. We can build and debug Tap to Pay on development, but unable to build release. We opened ticket with Apple support but they were saying it was configured correctly. I attached screenshot of our developer account entitlement for Tap to Pay. It clearly said Development only.
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Dec ’25
My Notifications Message Extension doesn't seem to run after distributing my app via Enterprise IPA
I'm developing an app that receives push notifications, and writes the contents of the push notification to a shared location between the main app and a Notifications Message Extension, through App Groups. This all seems to work on my phone, with developer mode turned on, but when I archive my app as an Enterprise IPA and distribute it, the users can install the app on their phones and they receive the push notifications, but it doesn't appear that the message extension is running as my app displays the content of the shared data in the App Groups on the main screen and nothing is showing. I have tried on 3 phones, and it only works on the phone with developer mode turned on. I can't tell at this point whether it's because of a signing issue, or build phase order issue, or something else?
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Dec ’25
Error when updating system extension
I'm currently observing a problem similar to this thread https://developer.apple.com/forums/thread/737334 The difference is that this is happening after updating a system extension. Basically same error, sysextd complains it can not check that the system extension is notarized: macOS Error 3 + Error code=-67050. I think macOS (Sequoia 15.3.2 or 15.7.2 if it matters) is wrong in this case for the following reasons: when using spctl assess -t install, the system extension is reported to be correctly notarized. when restarting the Mac, the updated system extension is correctly checked and staged. if I run spctl assess before sysextd tries to check the system extension, it works. I'm currently thinking of 2 reasons why the check does not work: sysextd is somehow trying to work with a cached assessment that has become invalid after the system extension was updated. macOS needs way more time between the update of the files and the request to update the staged extension. I tried adding a 5-second delay. This does not seem to work or at least reliably. I tried just touching the system extension, no positive result. Unfortunately, in macOS Sequoia, it is not possible anymore to reset-default using spctl and see if it solves the issue, at least the next time the update is performed. [Q] Is there some magic operation that would help macOS correctly check the notarization of an updated system extension?
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Dec ’25
codesign stubbornly failing
I'm trying to sign a .app package coming from Py2app. Unfortunately I keep running into the same two issues: The binary is not signed with a valid Developer ID certificate. and The signature does not include a secure timestamp. I tried everything, from recreating the signatures, with different arguments, different keys and certificates, but it keeps complaining with these two errors on a long list of files. For reference I added the python script I use for signing the files. code_singing.py
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Dec ’25
Provisioning profile failed qualification - SensorKit Reader Access entitlement issue during app distribution
Hello, I'm currently developing an iOS app that uses SensorKit. Everything works fine in development and testing — the app correctly requests and receives SensorKit permissions on test devices. In my App ID configuration, the SensorKit Reader Access entitlement (com.apple.developer.sensorkit.reader.allow) is included and visible in Xcode under the project’s entitlements list. However, when I try to archive and distribute the app, I get the following errors in Xcode: Provisioning profile failed qualification Profile doesn't support SensorKit Reader Access. Provisioning profile failed qualification Profile doesn't include the com.apple.developer.sensorkit.reader.allow entitlement. Even though my provisioning profile includes this entitlement, Xcode still refuses to distribute the app. Here’s what I’ve confirmed so far: The provisioning profile lists com.apple.developer.sensorkit.reader.allow in its entitlements. SensorKit works perfectly in debug and development builds. The issue only occurs when attempting to distribute (Archive → Distribute App). Could this be because my account has only development entitlement for SensorKit and not the distribution entitlement? If so, how can I verify or request the proper distribution entitlement for SensorKit Reader Access? Thank you for any guidance or confirmation from Apple regarding this entitlement behavior.
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Dec ’25
New build submission error
When submitting my new build to app store connect directly from dreamflow, I get this error: Failed Step: Flutter build ipa and automatic versioning Building com.pinpictu for device (ios-release)... ════════════════════════════════════════════════════════════════════════════════ No valid code signing certificates were found You can connect to your Apple Developer account by signing in with your Apple ID in Xcode and create an iOS Development Certificate as well as a Provisioning Profile for your project by: 1- Open the Flutter project's Xcode target with open ios/Runner.xcworkspace 2- Select the 'Runner' project in the navigator then the 'Runner' target in the project settings 3- Make sure a 'Development Team' is selected under Signing & Capabilities > Team. You may need to: - Log in with your Apple ID in Xcode first - Ensure you have a valid unique Bundle ID - Register your device with your Apple Developer Account - Let Xcode automatically provision a profile for your app 4- Build or run your project again 5- Trust your newly created Development Certificate on your iOS device via Settings > General > Device Management > [your new certificate] > Trust For more information, please visit: https://developer.apple.com/library/content/documentation/IDEs/Conceptual/ AppDistributionGuide/MaintainingCertificates/MaintainingCertificates.html Or run on an iOS simulator without code signing ════════════════════════════════════════════════════════════════════════════════ No development certificates available to code sign app for device deployment Build failed :| Step 10 script Flutter build ipa and automatic versioning exited with status code 1 Please not I am on a windows pc, not a mac. I'm not sure how to clear this error and I am not an experinced coder, so any advice would be greatly appreciated, especially if it is simple and easy to follow.
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Dec ’25
Cannot distribute app on xcode 26.0.1 - Team is not yet configured for notarization.
i encountered an error when i distributing my app on xcode 26.0.1. Below is error log. { "logFormatVersion": 1, "jobId": "ed2b622b-61f6-4c8a-90b7-7c3cdfbafc7a", "status": "Rejected", "statusSummary": "Team is not yet configured for notarization. Please contact Developer Programs Support at developer.apple.com under the topic Development and Technical / Other Development or Technical Questions.", "statusCode": 7000, "archiveFilename": "mychm.zip", "uploadDate": "2025-12-10T01:50:34.198Z", "sha256": "b61e224154823c8e06c3db904d67a78969f1564c7602f1fa77335fdd12a8d22b", "ticketContents": null, "issues": null }
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Dec ’25
Determining if an entitlement is real
This issue keeps cropping up on the forums and so I decided to write up a single post with all the details. If you have questions or comments: If you were referred here from an existing thread, reply on that thread. If not, feel free to start a new thread. Use whatever topic and subtopic is appropriate for your question, but also add the Entitlements tag so that I see it. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" Determining if an entitlement is real In recent months there’s been a spate of forums threads involving ‘hallucinated’ entitlements. This typically pans out as follows: The developer, or an agent working on behalf of the developer, changes their .entitlements file to claim an entitlement that’s not real. That is, the entitlement key is a value that is not, and never has been, supported in any way. Xcode’s code signing machinery tries to find or create a provisioning profile to authorise this claim. That’s impossible, because the entitlement isn’t a real entitlement. Xcode reports this as a code signing error. The developer misinterprets that error [1] in one of two ways: As a generic Xcode code signing failure, and so they start a forums thread asking about how to fix that problem. As an indication that the entitlement is managed — that is, requires authorisation from Apple to use — and so they start a forums thread asking how to request such authorisation. The fundamental problem is step 1. Once you start claiming entitlements that aren’t real, you’re on a path to confusion. Note If you’re curious about how provisioning profiles authorise entitlement claims, read TN3125 Inside Code Signing: Provisioning Profiles. There are a couple of ways to check whether an entitlement is real. My preferred option is to create a new test project and use Xcode’s Signing & Capabilities editor to add the corresponding capability to it. Then look at what Xcode did. You might find that Xcode claimed a different entitlement, or added an Info.plist key, or did nothing at all. IMPORTANT If you can’t find the correct capability in the Signing & Capabilities editor, it’s likely that this feature is available to all apps, that is, it’s not gated by an entitlement or anything else. Another thing you can do is search the documentation. The vast majority of real entitlements are documented in Bundle Resources > Entitlements. IMPORTANT When you search for documentation, focus on the Apple documentation. If, for example, you search the Apple Developer Forums, you might be mislead by other folks who are similarly confused. If you find that you’re mistakenly trying to claim a hallucinated entitlement, the fix is trivial: Remove it from your .entitlements file so that your app starts to build again. Then add the capability using Xcode’s Signing & Capabilities editor. This will do the right thing. If you continue to have problems, feel free to ask for help here on the forums. See the top of this post for advice on how to do that. [1] Xcode 26.2, currently being seeded as Release Candidate, is much better about this (r. 155327166). Give it a whirl! Commonly Hallucinated Entitlements This section lists some of the more commonly hallucinated entitlements: com.apple.developer.push-notifications — The correct entitlement is aps-environment (com.apple.developer.aps-environment on macOS), documented here. There’s also the remote-notification value in the UIBackgroundModes property. com.apple.developer.in-app-purchase — There’s no entitlement for in-app purchase. Rather, in-app purchase is available to all apps with an explicit App ID (as opposed to a wildcard App ID). com.apple.InAppPurchase — Likewise. com.apple.developer.storekit — Likewise. com.apple.developer.in-app-purchase.non-consumable — Likewise. com.apple.developer.in-app-purchase.subscription — Likewise. com.apple.developer.app-groups — The correct entitlement is com.apple.security.application-groups, documented here. And if you’re working on the Mac, see App Groups: macOS vs iOS: Working Towards Harmony. com.apple.developer.background-modes — Background modes are controlled by the UIBackgroundModes key in your Info.plist, documented here. UIBackgroundModes — See the previous point. com.apple.developer.voip-push-notification — There’s no entitlement for this. VoIP is gated by the voip value in the UIBackgroundModes property. com.apple.developer.family-controls.user-authorization — The correct entitlement is com.apple.developer.family-controls, documented here. IMPORTANT As explained in the docs, this entitlement is available to all developers during development but you must request authorisation for distribution. com.apple.developer.device-activity — The DeviceActivity framework has the same restrictions as Family Controls. com.apple.developer.managed-settings — If you’re trying to use the ManagedSettings framework, that has the same restrictions as Family Controls. If you’re trying to use the ManagedApp framework, that’s not gated by an entitlement. com.apple.developer.callkit.call-directory — There’s no entitlement for the Call Directory app extension feature. com.apple.developer.nearby-interaction — There’s no entitlement for the Nearby interaction framework. com.apple.developer.secure-enclave — On iOS and its child platforms, there’s no entitlement required to use the Secure Enclave. For macOS specifically, any program that has access to the data protection keychain also has access to the Secure Enclave [1]. See TN3137 On Mac keychain APIs and implementations for more about the data protection keychain. com.apple.developer.networking.configuration — If you’re trying to configure the Wi-Fi network on iOS, the correct entitlement is com.apple.developer.networking.HotspotConfiguration, documented here. com.apple.developer.musickit — There is no MusicKit capability. Rather, enable MusicKit via the App Services column in the App ID editor, accessible from Developer > Certificates, Identifiers, and Profiles > Identifiers. com.apple.mail.extension — Creating an app extension based on the MailKit framework does not require any specific entitlement. com.apple.security.accessibility — There’s no entitlement that gates access to the Accessibility APIs on macOS. Rather, this is controlled by the user in System Settings > Privacy & Security. Note that sandboxed apps can’t use these APIs. See the Review functionality that is incompatible with App Sandbox section of Protecting user data with App Sandbox. com.apple.developer.adservices — Using the AdServices framework does not require any specific entitlement. [1] While technically these are different features, they are closely associated and it turns out that, if you have access to the data protection keychain, you also have access to the SE. Revision History 2025-12-09 Updated the Xcode footnote to mention the improvements in Xcode 26.2rc. 2025-11-03 Added com.apple.developer.adservices to the common hallucinations list. 2025-10-30 Added com.apple.security.accessibility to the common hallucinations list. 2025-10-22 Added com.apple.mail.extension to the common hallucinations list. Also added two new in-app purchase hallucinations. 2025-09-26 Added com.apple.developer.musickit to the common hallucinations list. 2025-09-22 Added com.apple.developer.storekit to the common hallucinations list. 2025-09-05 Added com.apple.developer.device-activity to the common hallucinations list. 2025-09-02 First posted.
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App signed and notarized successfully, but macOS flags it as malicious on other machines
I’m facing an issue with my macOS app after code signing and notarization. The app is signed with my Developer ID and notarized using xcrun notarytool. Everything works fine on the machine where the signing was done — Gatekeeper accepts it, no warning appears, and codesign/spctl checks pass. However, when running the same .app on other Macs, users receive a Gatekeeper warning saying the app is "malicious software and cannot be opened". The signature is valid and the notarization log shows status: Accepted. What I've tried: Verified signature with codesign --verify --deep --strict --verbose=2 Checked notarization status via xcrun notarytool log Assessed Gatekeeper trust with spctl --assess --type execute Everything passes successfully on the development machine. Why would the app be treated as malicious on other systems even after notarization? I'm happy to share logs and technical details if needed.
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