Note here how red sandstone and other blocks have a darker left side, whereas shulker boxes have all three faces equally lit.
Linked issues
is duplicated by 3
relates to 2
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Comments 5
That's MC-161843.
Actually, shulker boxes and chests do have weak shading in 19w41a .... could be a little more though
Confirmed. Chests are affected as well. Beds are not.