The current feature support updating different types of fields of multiple records at once,by selecting the records you need to update and do the change on one of the records, and that will update all of the selected records, it's very powerful feature (you can update hundreds of records with few clicks), but the requested feature is about the recurring tasks that you want to update the frequency of multiple records with few clicks, instead of doing it one-by-one. The described feature is supported in Asana!