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  1. Minecraft: Java Edition
  2. MC-241604

Lag in 1.17.5 worlds when moving them to 1.18 pre-release Versions: 1.18

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    • Icon: Bug Bug
    • Resolution: Awaiting Response
    • None
    • 1.18 Pre-release 1
    • None
    •  operating system: Windows 10
      Java version: 1.17 to 1.18 pre-release
    • Unconfirmed

      Lag when generating new terrain in pre 1.18 world on 1.18 pre-release

      What I expected to happen was...:
      little to no lag when generating new terrain in a 1.17 world

      What actually happened was...:
      my FPS dropped from over 60 FPS to 16 FPS when loading new chunks

      Steps to Reproduce:
      1. use a 1.17 world and generate some chunks
      2. go to the 1.18 pre-release open the 1.17 world 
      3. generate new chunks 

            Unassigned Unassigned
            shady_penguin Brandon c Fox
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              Created:
              Updated:
              Resolved: