2) How do they maintain contracts between mobile app and backend? Do they use API versioning, contract generation, grpc, protobuf?
#AskFlutter 3) Are their apps offline-first or at least offline-capable? What strategies do they use to synchronize the data, maintain schema migrations, queue actions and expose failures to the users?
#AskFlutter 4) How quickly do they adapt the latest stable Flutter version? Have they migrated to Impeller?
#AskFlutter