From mailing list:
In open-meeting there are some issue which are mention bellow:
1:- In open-meeting when tutor drawing on canvas using freehand tool then on student side render freehand shapes with black-color.
2:- Second issue is when Tutor drawing freehand on canvas and refresh Page then black-color with freehand shape on tutor side also come.
3: Shape being tripled on WB
(Screen shots attached)