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  1. Minecraft (Bedrock codebase)
  2. MCPE-95011

Certain seeds cause features to repeat

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • 1.19.30.21 Preview, 1.16.210.58 Beta, 1.16.210.54 Beta, 1.16.100.54 Beta, 1.16.100.53 Beta, 1.16.100.51 Beta, 1.16.10, 1.16.21, 1.16.20, 1.16.40 Hotfix, 1.16.201 Hotfix, 1.16.221 Hotfix, 1.18.12 Hotfix, 1.18.31, 1.19.20, 1.20.12 Hotfix
    • None
    • Confirmed
    • Multiple
    • 396139

      Summary

      Structures and world features are repeating diagonally.

      Steps to Reproduce...

      One example of repeating features:

      1. Create a world with seed 1669320484.
      2. /tp -3439 99 2148

      What I Excepted to Happen Was...

      World generation should be random

      What Actually Happened Was...

      Some world features are repeated in a pattern, examples are small sections of coral reefs that repeat over and over.

      Notes

      A video has been uploaded that demonstrates the issue far better than I can in text:
      This Seed Makes EVERYTHING Repeat... Including Ancient Debris!?

      Original Description:

      this seed:1669320484 infinite loop at specific 
      at -3439   ~   2148
      and 134  ~    54

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        3. Screenshot_2020-08-07-15-41-13-635_com.mojang.minecraftpe.jpg
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        5. Screenshot_2020-08-07-15-41-13-635_com.mojang.minecraftpe-2.jpg
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        6. Screenshot_2020-08-07-19-05-01-942_com.mojang.minecraftpe.jpg
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        9. Screenshot_2020-08-13-14-51-44-25.png
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            mym3551 Big_whale_3551
            Votes:
            17 Vote for this issue
            Watchers:
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              Created:
              Updated:
              CHK: