Directives on Variable DefinitionsOct 2021

Allow to define directives on variable definitions. This was added in the October 2021 edition.

More info: https://github.com/graphql/graphql-spec/pull/510

Projects

Project Name	Supported Since	Note
Apollo Client
Apollo Kotlin
Apollo Router
Apollo Server
Apollo iOS
Domain Graph Service (DGS) Framework
GraphQL Code Generator
GraphQL Java
GraphQL Kotlin
GraphQL Yoga
GraphQL.js
GraphiQL
Grats
Hive Gateway
Hot Chocolate
Relay
Spring for GraphQL
gql.tada
urql