* Allow to pass through execution options (10)
* Fixed deprecation warnings (13)
* Support for subsriptions (14)
* Updated to the latest GraphiQL, fetch and React versions
* Updated dependencies
* Reformatted code with black
This version also pinned the GraphQL-core version to below 3, since it is not compatible with the new GraphQL-core v3. A modern version of aiohttp-graphql supporting GraphQL-core v3 is planned as the next major release.