Point lights, such as torches, candles, lanterns, do produce a proper shadow through iron bars, whereas full light blocks, such as light block itself, glowstone, shroomlight etc., do not. (Shadows from glowstone, soul lantern and candles are on attached screenshots)
MCPE-202593
Vibrant Visuals: Block lights do not create proper shadows
Resolved
Invalid
1
(Unassigned)
Unconfirmed
Windows
22H2; win 10.0.19045.5608
1.21.80.25 Preview
Retrieved
Thank you for your report!
However, this has been resolved as Invalid, as it is more of a feature request or suggestion than a bug with the game.
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