First of all, thanks for Workspace - this is THE feature I'd like to have for a long time since old Opera's tabs grouping!
But for now, it works improperly. Here are the steps to reproduce.
- Open Opera.
- Create 3 or 4 Workspaces and add some tabs to them.
- Create new window.
- Now none of Workspaces shows any tab - they are just empty.
Opera Developer 68.0.3616.0.