Hello,
Xamarin Forms 100.10.0 - UWP
AuthenticationManager.Current.Persistence = await CredentialPersistence.CreateDefaultAsync();
or
AuthenticationManager.Current.Persistence = await CredentialPersistence.CreateDefaultAsync("cred");
UnhandledException:
Type 'System.String[]' with data contract name 'ArrayOfstring:http://schemas.microsoft.com/2003/10/Serialization/Arrays' is not expected. Add any types not known statically to the list of known types - for example, by using the KnownTypeAttribute attribute or by adding them to the list of known types passed to DataContractSerializer.
Revert to 100.09, not happen there.