Version information

mc1.17.1-0.3.0+build.5

Expected Behavior

I placed kelp to see the texture by putting light blocks so water doesn't flow everywhere... (Works with signs too)

Actual Behavior

Every kelp under the upper one had no water visible.

Reproduction Steps

Java version

Java 16

CPU

Intel Xeon CPU E5-2630

GPU

Nvidia Quadro M2000

Additional information

No response

Duplicate of #769