1. A computer program product comprising a machine-readable medium storing instructions that, when executed by a system comprising a programmable processor, cause the system to perform operations comprising: creating customer-specific developments based on a target update release in a development system to which an update of a core software platform of a software architecture has been applied, the customer-specific developments comprising a customization of the core software platform that is specific to a given customer organization using the software architecture; updating and testing a quality control or other test system, the updating comprising importing customer-specific transport requests representing the customer-specific developments; updating a productive system to the target update release, the updating comprising importing the customer-specific transport requests to the productive system; and returning the productive system to business use and executing one or more post processing procedures concurrently with the business use.