IMHO the biggest issue with GraphQL is that it's often used in a way that effectively breaks encapsulation. When you use GraphQL, it's hard to limit the API sur

IMHO the biggest issue with GraphQL is that it's often used in a way that effectively breaks encapsulation. When you use GraphQL, it's hard to limit the API surface of a service to avoid exposing implementation details. This means it's difficult to modify the internals of a service without breaking its clients, and it can make things like testing and versioning more of a challenge.