Version 0.3 for the GraphQL API for WordPress was just released.

New features

• Filter modules by type
• Use different colors to distinguish modules by type
• Documentation for all modules, accessible clicking on "View details" on each module
• Documentation for modals inside blocks
• Module Remove if Null to add directive @removeIfNull
• Module Proactive Feedback to send data about deprecations, warnings, logs, notices and traces in the response to the query
• Module Multiple Query Execution to enable/disable functionality
• If module Multiple Query Execution is disabled:
  • Directive @export is also disabled
  • The server respects the GraphQL spec concerning operationName (https://spec.graphql.org/draft/#GetOperation())

The full CHANGELOG is here.