FaunaDB Client Drivers and FQL v10: Migration Rollback Strategy
Integration Boundary: Application Driver and FQL Versioning FaunaDB introduced a significant shift from FQL v4 to FQL v10, introducing a new query language and driver requirements. Because these versions are not interoperable, application code written for v10 cannot execute against v4 endpoints, and vice versa. When performing a migration to FQL v10, the rec