>>712929164what you noticed is the trailing. what's hard to spot is that the image is very unstable and shimmers. modified taa fixes that.
check this example to see how the image quality differs between modded taa and default taa. default taa is bad at resolving any fine detail and will shimmer. its very noticeable during gameplay.
it starts off with modded taa and swaps to default taa momentarily after, then loops back to modded taa:
https://files.catbox.moe/zt28gx.mp4