Scrollsmoother speeding up on each load (SWUP)

I've got a bit of an odd issue, but I'm fully aware it's not a GSAP issue, so aren't looking for help with another library, hopefully just a push in the right direction? I've got a site setup using Scrollsmoother and SWUP for page transitions, and am killing SS and reinitializing it on each page transition. The odd issue I have is after visting other pages, the scroll speed seems to get quicker and quicker. Any idea what might be causing this? I had wondered if it was down to

So after a bit of investigation, I've found the source of the issue, although don't fully understand why... To answer your other Qs though: Yes latest version of GSAP & ScrollSmoother (3.11.5) I've not tested without SWUP, as initial page loads are always fine, so the issue lays as a combo between the two. I tried out .context, but it gave me a few scoping issues, so I tried out another approach below. I stripped all the code way back to the basics to jus