Those are just features of a single product (appengine) which has been around for more than a decade and through several generations. Every product under every

Those are just features of a single product (appengine) which has been around for more than a decade and through several generations. Every product under every cloud vendor has API and feature changes over the lifetime. GCP has never had a major product line shutdown. The only thing that comes close is Google Maps API pricing changes, but technically the service is still there and has even more functionality.