I try to solve some "enigmatic" issue with the Pathfinder panel used along Alt/Option button as Ai suggests -
The help explains as follows -
Apply a Pathfinder effect using the Pathfinder panel Select the objects to which you want to apply the effect. To apply a Pathfinder effect to a group or layer, target the group or layer.
In the Pathfinder panel, click a pathfinder button (in the bottom row), or Alt‑click (Windows) or Option‑click (Mac OS) a Shape Mode button (in the top row).
However, I cannot achieve any compound shape using Option+click on Pathfinder panel (as opposite to applying pathfinder effects) - I dont see any changes in the appearance panel also (no any live effects I mean).
What do I miss?