HDR on (in Windows, not MSFS) causes noticeable FPS drop when cursor visible

User Support Hub Install, Performance & Graphics
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HDR on (via System>Display in settings)
Microsoft Flight Simulator 2024.07.31 - 10.20.36.02.mp4

HDR on (in MSFS settings)
Microsoft Flight Simulator 2024.07.31 - 10.21.58.03.mp4

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hdr causes fps loss - Search (bing.com)

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The fps window was very small but it looked like with HDR on fps was ~36 and with HDR off it was ~39fps.

Looks normal to me was with HDR a lot more metadata is being processed to get a more detailed picture.