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  1. Minecraft (Bedrock codebase)
  2. MCPE-126349

Massive frame drops periodically in local worlds.



    • Type: Bug
    • Status: Open
    • Resolution: Unresolved
    • Affects Version/s: 1.16.220, 1.16.221 Hotfix
    • Fix Version/s: None
    • Confirmation Status:
    • Platform:
      Windows 10 - PC


      Since the 1.16.220 update, I am encountering massive frame drops occasionly in local worlds. Every frame drop lasts for about 5-10 minutes (lagging my whole system and hogging 100% CPU at the beginning) and drops to fps as low as 12-15.

      -The drop persists even when both CPU and GPU are not fully loaded like you can see in the picture attached.

      -The drop seems more likely to happen in jungles, but can also happen in other places rarely.

      -Minimizing minecraft for a few seconds then maximizing it fixes the drop (until the next one happens).

      Before the 1.16.220 update I used to get solid 60 fps while hosting worlds, now it is becoming an annoyance dropping my PC to performance lower than my low end mobile.

      My PC specs:

      Intel core i7-8565U

      Nvidia Geforce MX130.


      Update on the matter:

      It seems that the issue is in my system not in minecraft (I thought it is minecraft but turns out that minecraft is the only app I use that loads the PC so hard to trigger this behavior), doing more tests I found out that my CPU during these lag spikes is running at 400MHz which is what is slowing down my system to a halt. Sorry for the inconvenience...




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