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I am writing a keyboard-extension, there are several buttons and these buttons have a text, therefor I am using localized strings. So the extension is always in the "correct" language. When opening the keyboard-extension with the "world"-button (pressing it long, so that the menu is shown) there is always a line below the name of the app showing "English". As far as I know this is the primary language, there is also one entry for "PrimaryLanguage" in the info.plist (NSExtension/NSExtensionAttributes, set to "en-US"). I tried to remove this entry, but after this the app does not start anymore. Is there a different way to remove this entry or is it possible to change it to the language of the localization?

Hello everyone, I have problems using SharedUserDefaults with a keyboard-extension. I could not reproduce the error-message in the simulator, it only appears on real devices. I created struct SharedUserDefaults { static let suiteName = "group.***.MyGroup"   struct Keys {     static let addon = "addon"     static let lastcomment = "lastcomment"    } } Target Membership both my main-app and keyboard-extension. In the app I load let sharedUserDefaults = UserDefaults(suiteName: SharedUserDefaults.suiteName) and save a textfield to it. if let var_textfield = textfield_addon.text {       sharedUserDefaults?.set(var_textfield, forKey: SharedUserDefaults.Keys.addon)     } I can also load this here, everything works. Inside my extension I load it with guard let var_addon = sharedUserDefaults?.string(forKey: SharedUserDefaults.Keys.addon)         else {return ""}       return var_addon This also works in the simulator, but not on my real device. It always takes the first value I have saved inside the app the first time: app > save "1" > extension load > "1" app > save "2" > extension load > "1" The only hint I have is when saving a value inside the extension I get a message [User Defaults] Couldn't write values for keys (lastcomment)in CFPrefsPlistSource<0x2817f5b00> (Domain: group.***.MyGroup, User: kCFPreferencesCurrentUser, ByHost: No, Container: (null), Contents Need Refresh: No): setting preferences outside an application's container requires user-preference-write or file-write-data sandbox access Unfortunately I was not able to solve it with this message, as also the online-tutorials do it like my current code. I am running iOS 14.2.1, I am quite sure that this was working on iOS 13, but unfortunately I have no second device with iOS 13 to test now.