Hello,
we have been using graphql gem in our project (quite an old version - 1.11.10). New version of Json (2.7.2) (updated automatically by range ~->) caused namespace conflicts with graphql gem resulting an error uninitialized constant GraphQL::Compatibility::ExecutionSpecification::SpecificationSchema::OpenStruct on this line. As a temporary fix we had to lock the version back to 2.7.1.
The breaking change: #565
As a long term fix we will be looking to update graphql but posting it here in case this update causes issues for others too. Also, maybe worth to look into that change from "Json" perspective too.
Thanks