Other nodes can be added
within the stereo group node. However, stereo modes are only displayed
in viewports of the nodes initially used to create the stereo group
node.
In the Real-time Deliverables menu, you
can use Stereo controls to configure stereo clips as anaglyph, interlaced,
or dual image (both eyes, side-by-side) clip output. See
Accessing the Deliverables Menu.