I use Smooth Swapping mod and when I use hotkeys (1-9) to swap items they go from wrong position (slightly further)
Other than that, the mods work well together

beside that (not sure if we should consider this ticket as the general smooth swapping integration or I should create new ticket) - while using both mods the particle effects are missing while shift clicking/hotbar number clicking on items. Smooth transition is there, but no particles for uncommon items. It works while moving them manually though.