In their developer livestream a few days back, the devs confirmed that the Switch version was built from the same base as the PS4/Xbone/PC versions of Remastered, but that it "branched off" when they got to the point of adding software raytracing as that was too demanding for the Switch.
So the Switch almost certainly will have more in common with the Remastered 8th gen version than the last gen versions, much like games like Alien Isolaton and Metro Redux.
This makes sense as Switch is more in line with PS4/Xbone than PS3/360 in terms of GPU features and memory capacity.
The problem seems to be all versions might be based on the 7th gen port. DF flat out said the Switch version shares more in common with the PS360 version than the original PC release. So its possible every version is based on the PS360 release.
Now I am just hoping significant work was done to bring it up to snuff with the original PC release or better.
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