US Patent 10157052 Software change management

Methods, systems, and computer program products for managing software changes and upgrades are described. Software change information of a plurality of changed objects of a software package is obtained, the software change information comprising a name of an object being changed and a type of the object being changed. An object dependency graph for the object is generated, the object dependency graph providing a data structure for identifying dependency relationships of the object being changed, and usage statistics for the object and the object type are retrieved. An identity of a module impacted by a software change is determined based on the data structure and an overall rating of the software change is generated.