Hi @Descant
Indeed, it is a good idea to add more video streams in Microsoft Teams meeting. In fact, Microsoft has some new features and you can see if these features can meet your requirements.
3*3 Grid View
Microsoft says that it has completed the rollout of the new 3×3 video view on Teams. It has also acknowledged that the 3×3 grid is just a start and it’s actively working on including more videos during a meeting session. And now it enables you to see the videos of up to 49 other people at once.
Together Mode in Teams meeting
Lets you feel like you're in the same shared space with everyone in the meeting. For now, there's one auditorium-style space, but more options are on the way.
For more reference:
More and more features are still in developing, some features will also coming out in the future, we also recommend you give your recommendation in Teams UserVoice(https://microsoftteams.uservoice.com/forums/555103-public). Microsoft will always focus on customer’s feedback and experience, some new features would be added to the services based on customers' feedback in the future, and your good ideas will be very helpful for them to improve the service.
Your time, understanding and cooperation will be highly appreciated.
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