a viewport perfomance option to create a layer / group or in group/ layer option. to really force a no load in scene .
No compute.
This option disable all calculate CPU GPU in scene ( with out need disable reference )
is possible to add a custom heavy objects or controls rig, or custom object in same character animation ( accessories props )
Create a layer with object / no compute / hide layer .
(similar a disable reference but quick and mor controlled and customizable.)