versioning
From Longman Business Dictionaryversioningver‧sion‧ing /ˈvɜːʃənɪŋˈvɜːrʒ-/ noun [uncountable]MARKETING when a company makes particular versions of products for different markets, customers etcversioning of computer software for individual clientsAny electronic versioning of the book shall be the subject of a separate agreement between the author and the publisher.