Iteration (10)
'iteration' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for repetition that I've seen before include "saying again and again!" , "Reiteration" , "It may result in another hearing" , "that offers nothing new?" .)
(Other definitions for version that I've seen before include "Something a little different - so riven (anag)" , "Adaptation" , "Rendering" , "Description from a certain point of view" , "See 24" .)