What's Changed

• Enhance GraphiQL documentation by @Askar938 in https://github.com/graphql-dotnet/graphql-dotnet/pull/4050
• Add validation for field arguments by @Shane32 in https://github.com/graphql-dotnet/graphql-dotnet/pull/4047
• Obsolete validation rule constructors by @Shane32 in https://github.com/graphql-dotnet/graphql-dotnet/pull/4051
• Add attributes for Parser, Validator and ValidateArguments by @Shane32 in https://github.com/graphql-dotnet/graphql-dotnet/pull/4052
• Allow private methods in Parser/Validator/ValidateArguments attributes by @gao-artur in https://github.com/graphql-dotnet/graphql-dotnet/pull/4055
• Rename default method names for Parser and Validator attributes by @gao-artur in https://github.com/graphql-dotnet/graphql-dotnet/pull/4056
• Deprecated arguments are returned when feature is disabled by @gao-artur in https://github.com/graphql-dotnet/graphql-dotnet/pull/4061
• Add Parser, Validator and ValidateArguments attribute analyzers by @gao-artur in https://github.com/graphql-dotnet/graphql-dotnet/pull/4057
• Add DefaultAstValueAttribute to set default values of complex objects in type-first schemas by @Shane32 in https://github.com/graphql-dotnet/graphql-dotnet/pull/4063
• Bug fix for issue 4064: object cannot be coerced to a list of objects by @Shane32 in https://github.com/graphql-dotnet/graphql-dotnet/pull/4065

Full Changelog: https://github.com/graphql-dotnet/graphql-dotnet/compare/8.0.2...8.1.0