Thanks to everyone who volunteered for testing the Office 365 group calendar. The TAP team will be reaching out as we are closer to being ready.
I hate to be the bearer of bad news, but this feature request has been declined.
-WarrenOwen Jones commented
Really need this, will become a major blocker to my company's Teams/SharePoint deployment
508 votesOwen Jones commented
Essential! No way we can accept all the SharePoint folders created for each team. This will cut right across our migration to SharePoint/Teams, can see it becoming a major issue.