Workspaces have existed in (basically) their current state for the entire duration a long time, and have not attracted much in the way of innovation or excitement.
As part of Ayatana project and its discussions, we would like to improve the workspace experience.
Concepts
Kindly submit your ideas here > https://wiki.ubuntu.com/Ayatana/Workspaces/Concepts
Progress
Currently no concrete plans have been laid out yet. We are still brainstorming. Stay Tuned!