Microsoft has announced that recordings of Teams meetings stored in OneDrive for Business will be blocked for download by anyone except the owner. The change is rolling out now and will be complete in mid-April. Microsoft also draws attention to the fact that you shouldn’t use channel meetings to discuss confidential topics. It’s all to do with the Microsoft 365 Groups membership model.
https://office365itpros.com/2021/02/22/blocking-download-permission-teams-meeting-recordings/
