Enabling Temporal Upsample (r.TemporalAA.Upsampling 1) with ScreenPercentage<100 Causes Weird Shadowing/Ghosting/Reflection

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taauenable
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Version 4.27
I enabled temporal upsample and lowered the r.screenpercentage to 66, and got this weird effect on my image instead of an upscaled image. Sorry if this is a dumb question I am new to UE4.

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I figured it out, it was one of my post process materials.

Note for anyone using post process materials with TAAU, make sure to have them render before the tonemapper so you do not face this issue.

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