updater

verb (used with object), up·dat·ed, up·dat·ing.

1. to bring (a book, figures, or the like) up to date as by adding new information or making corrections: to update a science textbook.
2. Computers. to incorporate new or more accurate information in (a database, program, procedure, etc.).
3. to bring (a person, organization, etc.) up to date on a particular subject: The magazine article will update you on the international situation.

noun

4. an act or instance of updating: to make an update in a financial ledger.
5. information or data used in updating.
6. an updated version, model, or the like.

verb (ʌpˈdeɪt) (tr)

1. to bring up to date

noun (ˈʌpˌdeɪt)

2. the act of updating or something that is updated

v.1948, in reference to information, 1952 in reference to persons, from up + date (v.1). Related: Updated; updating. The noun is attested from 1967.