Unreal Engine 4.7 Preview

Uploading iOS Apps with Application Loader works fine with 4.7 preview 7. But binary cannot be delivered and you get an email from Apple.
I suppose is because preview release is not for shipping ?

[]
Invalid Signature - Your app’s executable was modified after your app was codesigned for submission to App Store. Because of , store is unable to re-sign your application for distribution. can happen if data was added to executable after code signature was created.
[/]