1. In an application service provision apparatus having an application service provision runtime library with multiple versions, a method of operation comprising: loading the latest version of the runtime library at initialization of the application service provision apparatus; during operation, receiving by a dispatcher a request for service for an application; in response, determining by the dispatcher whether the version of the runtime library required by the application is known to the dispatcher; and if the version of the runtime library required by the application is not known to the dispatcher, inquiring by the dispatcher with the latest version of the runtime library to learn of the required version of the runtime library.