Implementing auto renewing subscriptions for iOS Apps— — — — 2020 UPDATE WARNING — — — —In 2020 Apple has been working on the server to server subscription notification system, don’t worry it’s still a largely undocumented nightmare, but it does mean some of the things below may be out of date, and will randomly change without you being notified! Just what we all love. There is now some actual “documentation” which says all the types I use below are
