Same thing here at Nebraska Premium Processing !! H4 went to a "Name was updated" status since May 1.
H1 Timeline
04/04/2017 - We received your request for premium-processing of your Form I-129, Petition for a Nonimmigrant Worker, and mailed you a receipt notice.
04/05/2017 - We received your Form I-129, Petition for a Nonimmigrant Worker, and mailed you a receipt notice. It is being processed at our Nebraska Service Center location.
04/10/2017 - We approved your Form I-129, Petition for a Nonimmigrant Worker.
H4 Timeline
03/27/2017 - We received your Form I-539, Application to Extend or Change Nonimmigrant Status.
05/01/2017 - On May 1, 2017, we updated your name for your Form I-539, Application to Extend or Change Nonimmigrant Status