Features

• Breaking Change: AuthChecker type is now "function or class" - update to AuthCheckerFn if the function form is needed in the code
• Breaking Change: update graphql-js peer dependency to ^16.6.0
• Breaking Change: buildSchemaSync is now also checking the generated schema for errors
• Breaking Change: validate option of buildSchema is set to false by default - integration with class-validator has to be turned on explicitly
• Breaking Change: validate option of buildSchema doesn't accept anymore a custom validation function - use validateFn option instead
• support class-based auth checker, which allows for dependency injection
• allow defining directives for interface types and theirs fields, with inheritance for object types fields (#744)
• allow deprecating input fields and args (#794)
• support disabling inferring default values (#793)
• support readonly arrays for roles of @Authorized decorator (#935)
• add sync version of buildTypeDefsAndResolvers function (#803)
• lift restriction of listing all interfaces from inheritance chain in implements option of @ObjectType decorator (#1435)

Fixes

• Breaking Change: properly emit types nullability when defaultValue is provided and remove ConflictingDefaultWithNullableError error (#751)
• allow defining extension on field resolver level for fields also defined as a property of the class (#776)
• fix throwing error when schema with dynamic default value was built again (#787)
• fix converting inputs with fields of nested array type (#801)
• disable broken exposing input types fields under a changed name via @Field({ name: "..." })
• support overwriting fields of extended types (#1109)
• properly execute args validation for nullable items array (#1328)

Others

• Breaking Change: update class-validator peer dependency to >=0.14.0
• Breaking Change: change build config to ES2019 - drop support for Node.js < 14.5
• Breaking Change: remove support for loading resolvers by glob paths (resolvers: string[] build schema option)
• Breaking Change: remove isAbstract legacy decorator option