Just had a few hours playing it via the HDR patch, look really impressive in some of the levels and a bit mild in some others. The highlights, explosions, torches, clouds and fire are stunning and made me squint a few times. The colors look very vibrant too and now it's hard to go back to SDR. Here's a comparison, tho viewed in person, the HDR looked way better than phone photos.
HDR on
HDR off
HDR on
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HDR off
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