From September 18th, 2018 the new Contacthub version is available. The release is planned between 10.00 am and 10.30 am CEST.
The main new release is about event retention. When a given event is deleted from Hub, this information will remain available for 30 days on the /updates endpoint. After this period, the event is physically deleted from Hub too and no information about deletion will be available on the /updates endpoint.