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Message Filter Extension Not Triggering on iPhone 12 Pro (iOS 16.7) but Works on iPhone 11 (iOS 16.6)
Hi Team, We’re encountering a device-specific issue with our SMS Message Filter extension. The extension works as expected on an iPhone 11 running iOS 16.6, but it does not trigger on an iPhone 12 Pro running iOS 16.7. Key Observations: The extension is implemented using ILMessageFilterExtension and calls messageFilterOffline(appGroupIdentifier:for:) from our shared library. The App Group is properly configured and accessible across the app and extension. The extension is enabled under Settings > Messages > Unknown & Spam. There are no crashes or error logs reported on the affected device. The issue is consistently reproducible — it works on one device but not the other. We’re wondering if this could be a regression or a device-specific behavior change introduced in iOS 16.7. Has anyone encountered similar inconsistencies in Message Filter extensions across different iOS versions or device models? Any guidance or suggestions would be greatly appreciated. Thanks in advance!
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165
Apr ’25
: Issue with App Group Preferences in iOS Message Extension
I’m encountering an issue while reading/writing shared preferences using UserDefaults with an App Group in my iOS Message Extension. The following error appears in the console: `Couldn't read values in CFPrefsPlistSource<0x3034e7f80> (Domain: [MyAppGroup], User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null), Contents Need Refresh: Yes): Using kCFPreferencesAnyUser with a container is only allowed for System Containers, detaching from cfprefsd. I have correctly enabled the App Group in both my containing app and the Message Extension, and I am using UserDefaults(suiteName:) to access shared preferences. However, I keep getting this error when trying to read/write values. Has anyone encountered this before? How can I properly configure my app group preferences to avoid this issue? Any help would be greatly appreciated!
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898
Mar ’25
CFPrefsPlistSource Read Error with App Group Preferences
I am encountering the following issue while working with app group preferences in my Safari web extension: Couldn't read values in CFPrefsPlistSource<0x3034e7f80> (Domain: [MyAppGroup], User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null), Contents Need Refresh: Yes): Using kCFPreferencesAnyUser with a container is only allowed for System Containers, detaching from cfprefsd. I am trying to read/write shared preferences using UserDefaults with an App Group but keep running into this error. Any guidance on how to resolve this would be greatly appreciated! Has anyone encountered this before? How can I properly configure my app group preferences to avoid this issue?
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761
Feb ’25
Background fetch when app is forced quit
Currently I am trying to find a work around to fetch data from server and update user defaults when app is forced quit. Can anyone suggest for this ?
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6
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0
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727
Activity
Jan ’26
Background Local cache update
Currently, I have implemented local cache update with server data when app is killed using Push Notification and Notification Service Extension. So it works even the app is killed by the user, but I wanted to know whether this is app review safe work around or not as I am not finding any documentation for this.
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3
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0
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159
Activity
Dec ’25
Reading the enabled/ disabled status of Message Filter Extension from settings
Currently I am not finding any API to read the status of Message Filter Extension from settings. Are we planning for any future releases ?
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0
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0
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431
Activity
Nov ’25
Reading the status of Call blocking extension and Message Filter Exension from settings
Are we planning to have some APIs or methods to know that status of Call blocking extension and message filter extension in future releases as currently it is not available.
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0
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0
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117
Activity
Nov ’25
Reading the status of Safari Web Extension from settings
Currently I am struggling to find a way to read the status of Safari Web Extension from settings as I can not find any public api listed for iOS as it is already available for macOS.
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1
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0
Views
446
Activity
Nov ’25
Message Filter Extension Not Triggering on iPhone 12 Pro (iOS 16.7) but Works on iPhone 11 (iOS 16.6)
Hi Team, We’re encountering a device-specific issue with our SMS Message Filter extension. The extension works as expected on an iPhone 11 running iOS 16.6, but it does not trigger on an iPhone 12 Pro running iOS 16.7. Key Observations: The extension is implemented using ILMessageFilterExtension and calls messageFilterOffline(appGroupIdentifier:for:) from our shared library. The App Group is properly configured and accessible across the app and extension. The extension is enabled under Settings &gt; Messages &gt; Unknown &amp; Spam. There are no crashes or error logs reported on the affected device. The issue is consistently reproducible — it works on one device but not the other. We’re wondering if this could be a regression or a device-specific behavior change introduced in iOS 16.7. Has anyone encountered similar inconsistencies in Message Filter extensions across different iOS versions or device models? Any guidance or suggestions would be greatly appreciated. Thanks in advance!
Replies
0
Boosts
0
Views
165
Activity
Apr ’25
: Issue with App Group Preferences in iOS Message Extension
I’m encountering an issue while reading/writing shared preferences using UserDefaults with an App Group in my iOS Message Extension. The following error appears in the console: `Couldn't read values in CFPrefsPlistSource&lt;0x3034e7f80&gt; (Domain: [MyAppGroup], User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null), Contents Need Refresh: Yes): Using kCFPreferencesAnyUser with a container is only allowed for System Containers, detaching from cfprefsd. I have correctly enabled the App Group in both my containing app and the Message Extension, and I am using UserDefaults(suiteName:) to access shared preferences. However, I keep getting this error when trying to read/write values. Has anyone encountered this before? How can I properly configure my app group preferences to avoid this issue? Any help would be greatly appreciated!
Replies
8
Boosts
0
Views
898
Activity
Mar ’25
CFPrefsPlistSource Read Error with App Group Preferences
I am encountering the following issue while working with app group preferences in my Safari web extension: Couldn't read values in CFPrefsPlistSource<0x3034e7f80> (Domain: [MyAppGroup], User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null), Contents Need Refresh: Yes): Using kCFPreferencesAnyUser with a container is only allowed for System Containers, detaching from cfprefsd. I am trying to read/write shared preferences using UserDefaults with an App Group but keep running into this error. Any guidance on how to resolve this would be greatly appreciated! Has anyone encountered this before? How can I properly configure my app group preferences to avoid this issue?
Replies
0
Boosts
0
Views
761
Activity
Feb ’25