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  1. Minecraft (Bedrock codebase)
  2. MCPE-65094

Server desyncs from Client, resulting in different states in each

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    Details

    • Type: Bug
    • Status: Open
    • Resolution: Unresolved
    • Affects Version/s: 1.17.40.20 Beta, 1.17.11 Hotfix, 1.17.0.54 Beta, 1.16.220.52 Beta, 1.16.220.50 Beta, 1.16.210.58 Beta, 1.16.210.55 Beta, 1.16.210.54 Beta, 1.16.210.53 Beta, 1.16.200.52 Beta, 1.16.30.53 RTX Beta, 1.16.100.56 Beta, 1.16.100.54 Beta, 1.16.100.52 Beta, 1.16.100.50 Beta, 1.16.20.53 Beta, 1.16.20.52 Beta, 1.16.0.68 Beta, 1.16.0.67 Beta, 1.16.0.66 Beta, 1.16.0.64 Beta, 1.16.0.63 Beta, 1.16.0.61 Beta, 1.16.0.60 Beta, 1.16.0.59 Beta, 1.16.0.57 Beta, 1.16.0.58 Beta, 1.16.0.55 Beta, 1.16.0.53 Beta, 1.16.0.51 Beta, 1.15.0.56 Beta, 1.14.20 Hotfix, 1.12.0, 1.14.30 Hotfix, 1.14.60 Hotfix, 1.16.0, 1.16.1, 1.16.10, 1.16.20, 1.16.50 Hotfix (iOS), 1.16.40 Hotfix, 1.16.61 (PS4), 1.16.100.59 Beta, 1.16.100, 1.16.200
    • Fix Version/s: None
    • Labels:
    • Confirmation Status:
      Confirmed
    • Platform:
      Multiple
    • ADO:
      353829

      Description

      Whenever the server (online or internal) lags, the client's position might be offset server-side. If the position is greater than a half of a block, the server-side player will snap back to the client's position after some time. However, since the server-side player also experiences world effects (like gravity and slime blocks), the player can enter many unintentional states such as the following:

      1. Burning when jumping around lava even though the player does not touch it
      2. Triggering nether and end portals where the player should not
      3. Collecting items where the player should not
      4. Throwing projectiles from the wrong spot (not to be confused with MCPE-31896)
      5. and possibly more

      Video Examples (Youtube playlist of 9 videos)

      https://www.youtube.com/playlist?list=PLAEj2GCUwNdHVdBCZN1WsdwsYJIqBhrqL

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              Reporter:
              Doubletoad74 [Helper] NelLexvul
              Votes:
              104 Vote for this issue
              Watchers:
              31 Start watching this issue

                Dates

                Created:
                Updated:
                CHK: