[ScrollTrigger in nextjs build not working reliably]

After posting my comment I think I found the solution.

Instead of using "useGSAP' I'm using a custom hook called "useIsomorphicLayoutEffect".

import { useLayoutEffect, useEffect } from "react";

export const useIsomorphicLayoutEffect =
  typeof window !== "undefined" ? useLayoutEffect : useEffect;

[ScrollTrigger in nextjs build not working reliably]

@JPPdesigns Did you ever find a solution to solving this in Dev Mode? 

I'm running into the same issue where my production next builds work fine but they jump way down the page in dev mode.