Stream Classic has a “group” tab where you can place videos into different groups. Will the group tab be available in Stream on SharePoint?
In Stream Classic, the “group” tab shows you videos sorted into their corresponding Microsoft Teams team/channel. The videos you see here will often be meeting recordings and/or videos where a team has been added as an additional owner. The group tab will not be available in Stream on SharePoint, but your videos will still be associated with the team/channel they were associated with in Stream Classic, and you can group your videos into folders and libraries. If you want to display the videos associated with a specific team/channel with Stream on SharePoint, you have a few options. You can read more here