awesome-uses/src/entry.client.tsx

import { RemixBrowser } from '@remix-run/react';
import { startTransition, StrictMode } from 'react';
import { hydrateRoot } from 'react-dom/client';
const hydrate = () => {
  startTransition(() => {
    hydrateRoot(
      document,
      <StrictMode>
        <RemixBrowser />
      </StrictMode>
    );
  });
};

if (window.requestIdleCallback) {
  window.requestIdleCallback(hydrate);
} else {
  // Safari doesn't support requestIdleCallback
  // https://caniuse.com/requestidlecallback
  window.setTimeout(hydrate, 1);
}