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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:
performing a pre-import versioning of customer-specific transport request objects to be added to a core software platform, the pre-import versioning being performed in an uptime of a shadow system or shadow instance; importing one or more dictionary objects and one or more non-dictionary repository objects of at least one customer-specific transport request of a set of customer-specific transport requests for a given customer organization, the importing occurring in the uptime of the shadow system or shadow instance; versioning, during the uptime of the shadow system or shadow instance, the at least one customer-specific transport request objects imported to the shadow system or shadow instance; importing, during a downtime of the shadow system or shadow instance, at least one remaining customer-specific transport request of the set of customer-specific transport requests; versioning, during the downtime of the shadow system or shadow instance, one or more objects of the at least one customer-specific transport request imported during the downtime; and returning the productive system to the uptime, and providing the productive system for business use.
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