From the linked patch notes:

  • Reduced polling rate while the Steam Frame Limiter is active to save additional power. This can save up to 6% on battery life when running at 30fps in a low-power game like HL2
  • timo_timboo@lemmy.world
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    8 days ago

    Think nes, snes, and Sega game emulation. No reason to run over 30fps.

    Why would you run such games at half the framerate? 60fps was the norm back then.

    • amelore@slrpnk.net
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      7 days ago

      Was it? afaik PAL was 50Hz but 25fps, and NTSC was 60Hz at 30fps. Two periods per frame because of interlacing or something like that.