ok, i'm a bit confused. i thought the problem with the "can see" function was fixed now. i downloaded version 1.1.8 GC from the Unity store and now i have to realize that the "can see" function has no function at all. i also started an empty project and tested it with a cube. no matter if i use "can see" or "can not see" no condition is fulfilled and therefore no action is executed.
if i use the old "can see" function from the Unity Hub it works at least in 80% of the cases. it doesn't matter if the cube touches the ground or not, the result is the same. see the attached photos:
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