[MC-256159] Redstone signal doesn't forward correct on sea lantern over edge

If you put redstone powder over a sea lantern the signal will not be forwarded from upper side to lower side (see photo), but from lower side to upper side.

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Avoma 2022-09-28T19:21:14Z

Duplicate of MC-134366 which was later resolved as "Works As Intended".

CommLan 2022-09-28T22:06:08Z

I don't think so that this is a duplicate of MC-134366 because this isn't about conduction through this block, it's about conduction "around" this block. Logically seen the powder bridges over this block - it sticks at the outer edges.

I've found out the exactly same behavior happens with upside down stairs. The redstone signal travels from bottom to top but not in the opposite direction. I assume that these are not the only blocks affected by this behavior.

And something about consistency - why (see picture) works the version at the bottom if sea lanterns didn't conduct redstone signals ?

anonymousperson9 2022-09-28T22:08:06Z

i think that is because sea lanterns are transparent blocks, like glass, or upside-down stairs. so, i think that is intended

ampolive 2022-09-28T22:33:52Z

As mentioned above, transparent blocks disallow downwards redstone connectivity, meaning redstone signals can't travel down from a transparent block (they can still travel upwards). This behavior is working as intended as per MC-3311/MC-134366.