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  1. Minecraft: Java Edition
  2. MC-16749

Severe FPS spikes/drops when Advanced OpenGL is set to on and weird world generation lighting issues

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    • Icon: Bug Bug
    • Resolution: Incomplete
    • None
    • Snapshot 13w21b
    • None
    • Running with OpenJDK Java 7 Runtime on Linux Ubuntu 12.04 LTS.
    • Unconfirmed

      There wasn't an option for both so I just said none for game mode. The issue is though, that while playing there will be seemingly random FPS drops. It's weird because in 1.5.2 I usually maintain about 20-25 FPS and in this version I'm usually at around 25-30. When Advanced OpenGL is on though there will be random drops to 0 or 1 FPS which I thought practically impossible.

            Unassigned Unassigned
            Dirtsk8r Jacob Freadman
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