When smooth diorite stairs are placed up side down such that the flat side faces south or east a texture error occurs such that the the darker line at the edge of the stair block switches sides between the panels of the stairs that are facing horizontally or vertically (upper left and bottom right image display the error)
Linked issues
is duplicated by 4
relates to 2
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Comments 18
Is this really a bug? This is due to how texture mapping works for pretty much every block. Stairs textures aren't rotated so they blend in with the full blocks.
This also affects Polished Granite & Andesite Stairs
This not only affects stairs but blocks and slabs as well. The lines along the edge of the block on one side and bottom of diorite is off by one "pixel".
Can confirm in 20w49a.
Can confirm in 21w03a.
Can confirm in 21w06a.
Can confirm in 21w11a.
Can confirm in 21w15a.
Can confirm in 21w16a.
Can confirm in 1.17.
Can confirm in 1.17.1.
Can confirm in 1.18.
Can confirm in 1.18.1.
Can confirm in 1.18.2.
Can confirm in 1.19.
Can confirm in 1.19.2.
This should be Won't Fix per the related reports; this is the exact same issue.
The same (or a similar) issue also happens with other types of stairs. There's also a similar ticket for stairs that are right side up, which has been resolved as WAI: MC-65188.