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  1. Minecraft: Java Edition
  2. MC-239902

Weather effects appear in caves and structures in 1.17.1 worlds loaded in 21w43a

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 21w44a
    • 21w43a, 21w44a
    • None
    • Confirmed
    • Datafixer
    • Very Important

      On worlds loaded in 1.17.1, rain and snow appear in structures, caves, and underwater in old chunks when loaded in 21w43a. Chunks generated in 21w43a do not appear to have the issue. The world shown in the last three videos also was not originally created in 1.17.1. The issue does not clear up upon optimizing the world, but placing new blocks will fix the issue for any blocks below. Affected blocks also lack the particles present when rain hits a block.

      Reproduce the issue by creating a world in 1.17.1 and loading it up in 21w43a.

        1. Minecraft 21w43a - Singleplayer 2021-10-27 17-03-31_Trim (2).mp4
          7.05 MB
        2. Minecraft 21w43a - Singleplayer 2021-10-27 17-03-31_Trim (3).mp4
          8.77 MB
        3. Minecraft 21w43a - Singleplayer 2021-10-27 17-03-31_Trim.mp4
          7.50 MB
        4. 2021-10-27_17.23.53.png
          2021-10-27_17.23.53.png
          638 kB
        5. Minecraft 21w43a - Singleplayer 2021-10-27 17-23-27_Trim.mp4
          1.87 MB
        6. 2021-10-28_12.51.36.png
          2021-10-28_12.51.36.png
          950 kB
        7. 2021-10-28_15.37.47.png
          2021-10-28_15.37.47.png
          811 kB
        8. 2021-10-28_15.45.35.png
          2021-10-28_15.45.35.png
          620 kB
        9. 2021-10-28_15.45.00.png
          2021-10-28_15.45.00.png
          1.14 MB
        10. 2021-10-28_15.45.09.png
          2021-10-28_15.45.09.png
          848 kB
        11. 2021-11-16_19.58.05.png
          2021-11-16_19.58.05.png
          2.62 MB

            bjarni-g [Mojang] Bjarni Gudmundsson
            zehderpn8r Dylan Kramis
            Votes:
            11 Vote for this issue
            Watchers:
            7 Start watching this issue

              Created:
              Updated:
              Resolved:
              CHK: