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Opera 48 4k window dragging stutter

  • A couple weeks ago, I upgraded to a 4k monitor. Opera does a great job at scaling, even on win 7 64 bit, but I notice that when dragging the window around the desktop, it appears to only update the window at what I estimate to look like 15fps, making it look like its stuttering or jumping. It did not do this with my old display. This is the ONLY issue I have. A quick google search tells me that others don't seem to have this issue/

    • Other windows appear to move at smoothly as I drag them
    • Monitor is set to 60hz
    • GTX 1060
    • hardware acceleration enabled in settings

    are there any logs or settings I can look in to try to narrow down the source? thanks opera team/community!