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Target customers: all users. Features released: (1) Spring Cloud applications support service contracts. A service contract provides a description of microservice interfaces based on the OpenAPI Specification (OAS). Microservice systems operate and run based on service contracts. After you deploy an application, you do not need to introduce dependencies to the application. You can view API information such as microservice interfaces and paths by using service contracts. You can use an easy method to query services and use features, such as service testing. (2) Spring Cloud and Dubbo applications support service tests. When developers or testers need to call online services to debug deployed services or query online data, they can use the service testing feature to set parameters in the console to initiate service calls and view the results.