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  1. Minecraft: Java Edition
  2. MC-276026

Screen stutter on V-Sync when F3 is open and FPS is capped above screen refresh rate

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • 1.21.1, 24w34a
    • None
    • Community Consensus
    • Performance, Rendering
    • Important
    • Platform

      Reproduction steps:

      1. I have a screen with 60Hz refresh rate.
      2. I put VSync on.
      3. I put FPS limit to anything above 60 (especially bad for higher numbers)
      4. I turn on F3 menu.

      The game rendering is stuttering visually.

       

      Turn of VSync or put it to match the screen refresh or turn off the F3 menu and all is fine.

      I recorded at native resolution and 60FPS and I guess since the video capture did not sync up with the game, it is visible. (I was worried it wouldn't show up on video) But the recording is accurate to what I experience with my eyes between the direct game footage and the recorded footage on my display.

        1. F3.mp4
          7.23 MB
        2. image-2024-08-25-20-06-14-520.png
          image-2024-08-25-20-06-14-520.png
          62 kB
        3. noF3.mp4
          7.23 MB

            Unassigned Unassigned
            m124367 AgentM
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              Created:
              Updated:
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