The input lag is still being talked about, and now according to Nintendo Life, we're talking about 8 frames of input lag. That. Is. Awful.
Regarding fog, It's not only one room in OoT. Anywhere that had fog in the N64 version is now gone. For example, the fog obscuring the Great Deku Tree in Kokiri village is missing. Fog wasn't only to hide draw distances but also used strategically for atmosphere in a lot of areas.
It's affecting Mario Kart 64 and Star Fox 64 as well and it's extremely frustrating for folks to be having these issues when people are paying a giant premium for this.