In AC story mode I used ‘steal’ on an enemy near the statue in the room the spider queen spawns for explorable. I ended up inside the statue, though I eventually managed to use the actual ‘shadow step’ skill to get out again (in the direction of the corridor you run up to find Eir).
So, I guess there are still more bugs than the one in the patch notes.
The statue you mentioned may not be “terrain” but a prop/object.
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