When using the Human “Objects by Selection” (SelObj) component in live mode, running the _Isolate command in Rhino with a reasonably large number of objects causes Rhino to hang. Even at 100 objects in the model, Isolate is noticeably slower to run (a second or two instead of almost instantly when SelObj isn’t in live mode), and the slowdown seems to be quadratic in the number of objects.
Grasshopper file empty except for a single Human SelObj component with reset=True and live mode enabled.
Rhino file with 100-1000 simple objects.
Select one object and run _Isolate.