[Incorrect info or bug] Shadow Dance does not add damage to range attacks

[maze]

Using a shortbow,having ShadowDance on, with stealth being well over 200 should add 50 pure damage per arrow hit.
The yellow numbers being normal physical and no white number appears for pure damage. Video is attached (https://i.gyazo.com/a4be6c4c589f611c5f26964a0e5c7974.mp4)