This bug tracks adding support for fractional scroll offsets in this function. Currently, for scroll snapping, only integral offsets are supported because it is reading the current scroll offset from ScrollableArea, which stores the current scroll offset as an IntPoint.
Created attachment 425143 [details] Patch
<rdar://problem/76527260>
Committed r276239 (236721@main): <https://commits.webkit.org/236721@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 425143 [details].