Comment 7 for bug 1400580

Status in mir_proving_server:
  Negative: DONE (Super+N)
  High Contrast: DONE (Super+C)
  Red Shift: TODO (but would be trivial)
  Zoom: Done (Super+mousewheel)

None of these features are available in Unity8 yet but all of them except Zoom would be easy to move into Unity System Compositor so that Unity8 could use them. That may well be easier than re-implementing them in Unity8.

Desktop zoom is harder to reuse in Unity8 because it relies on the mouse cursor position, and Unity8 has its own mouse cursor movement so Unity System Compositor would be unable to zoom to the correct location for the Unity8 cursor.