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  1. Minecraft: Java Edition
  2. MC-187885

Skylight is displayed incorrectly after /fill hollow

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 1.16 Pre-release 2
    • None
    • Unconfirmed
    • (Unassigned)

      Steps to reproduce:

      1. Create a new world, load a pre-existing one (1.15.2 worlds have this issue too) or log onto a server.
      2. Use /fill ... white_concrete hollow to create a box with dimensions of 7 or more blocks in any place in the world previously exposed to light.

      Expected behaviour:
      The box is dark inside.

      Result:
      The box still has skylight level 15 inside of it.

      Fix:
      Relog into the world/onto the server or rebuild the box.

      History:
      This issue was introduced in 20w12a, but only affected chunk borders (second screenshot). It was fixed in 20w15a, until being reintroduced in 1.16-pre1 (first screenshot).

      Notes:

      • This doesn't work with all kinds of blocks. It does work with glowstone, dirt and concrete, but not with grass blocks.
      • If the box is not a cube, it will be lit on one side.
      • Updating lighting inside the box does not fix the issue.
      • World type does not matter.
      • Game rules don't affect this.
      • Sometimes randomly doesn't work.

        1. 2020-06-06_20.12.38.png
          1.06 MB
          Michael Gavrilin
        2. 2020-06-06_20.54.00.png
          486 kB
          Michael Gavrilin

            Unassigned Unassigned
            korochun Michael Gavrilin
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              Created:
              Updated:
              Resolved: