graphql-tools 0.5.7 (2026-07-20)

Fixes

Improve GraphQL operation validation

• Faster validation (2-3x): rules now share a single OperationVisitor pass over the operation document instead of each rule visiting it independently.
• New UniqueInputFieldNames rule: input object fields are now kept as a list rather than a map, so duplicate fields are no longer silently deduplicated before validation. A query like { field(input: { value: 1, value: 2 }) } is now correctly rejected.
• Fixed VariablesInAllowedPosition: now accounts for default values on variables, field arguments, and input object fields. Nullable variables used in a non-null argument that defines a default are no longer incorrectly rejected.