http://www.techradar.com/news/call-of-duty-2017-release-date-news-and-rumors

Update: The first of Call of Duty WWII's many private betas has been and gone and Sledgehammer has revealed it's already making multiplayer mode changes based on feedback from it. 

This PS4-exclusive beta ran from August 25 to 28 and Sledgehammer said it's been actively tracking feedback to begin making changes.