Server Development / GraphQL
Schema Evolution
A closer look at Schema Evolution.
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Evolving a GraphQL schema
GraphQL favors continuous schema evolution over versioned URLs. This chapter classifies safe and breaking changes, documents @deprecated fields and enum values, outlines a deprecation workflow, and shows deprecationReason in NestJS code-first schemas.
Managing GraphQL schemas in organizations
Large companies rarely expose one undifferentiated graph. This overview covers public, partner, and internal APIs, schema registries and contracts, CI checks against real operations, ownership, and versioning strategies from continuous evolution to dated releases.
Pitfalls when updating a GraphQL backend
Schema changes that look safe on paper still break mobile clients, caches, and federation. This troubleshooting guide lists common symptoms, root causes, and fixes—from nullability shifts to persisted queries and deploy order.