I have generated Upgrade Compatibility Tool Report and most of the errors are as below.
[ERROR] [1328]
Line 24: Implemented interface ‘MagentoFrameworkGraphQlQueryResolverInterface’ that is non API on version ‘2.4.4’
[ERROR] [1124]
Line 79: Using class ‘MagentoFrameworkGraphQlConfigElementField’ that is non API on version ‘2.4.4’
[ERROR] [1124]
Line 81: Using class ‘MagentoFrameworkGraphQlSchemaTypeResolveInfo’ that is non API on version ‘2.4.4’
[ERROR] [1124]
Line 87: Using class ‘MagentoFrameworkGraphQlExceptionGraphQlAuthorizationException’ that is non API on version ‘2.4.4’
[ERROR] [1124]
Line 94: Using class ‘MagentoFrameworkGraphQlExceptionGraphQlAuthorizationException’ that is non API on version ‘2.4.4’
These are core classes that we need when working with Graphql. I am not able to find any alternative solutions.
Please help.
