Personally, id love to have a NG+ category. But the way mission select works carrying over ammo and stuff just doesnt make it viable.
Also, recreating the same thread over and over and calling the community toxic is not the way to win them over.
To OP, if you keep recreating the same thread with the same topic, I will start locking the threads.
Platform advantages are very common among speedrunning, unfortunately, its a fact of life
Theres no way to downpatch to my knowledge. The only way to have the slopeboost patch on console would be to have a physical copy of the game without this new patch. So if you go buy a physical copy today/soon and DIDNT update it, then you'd be golden
Personally, I use the timeline of Premiere Pro. I can set it to milliseconds. https://imgur.com/a/j7mBsgJ
Theres also an unofficial category were trying to get people to run so we can get it to be on the leaderboards called No Railboost/Glorykill Clipping (No RB/GK) It still has some skips but mixes in a lot of the traditional gameplay as well. You can check the video out here if you're interested