Resolved! During screen sharing in meeting, someone was able to draw a (curved, red) line
My issue: During screen sharing in meeting, someone was able to draw a (curved red) line *onto* the shared screen. It was not the (guest) person that shared, it was not the host (= me), but some meeting guest. My questions: Any idea, how this is possible, please? Can host prevent this? Thank you for any answer/solution and/or idea!
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