Next.js 13.0.5 CSS HMR bug reproduction

  1. npm install
  2. npm run dev
  3. Open http://localhost:3000 in your browser
  4. Update page.tsx to change the background color
  5. See the HTML update but the CSS does not, resulting in a white background.
  6. Edit the comment in global.css to trigger a CSS update.
  7. See that the CSS updates and the background color changes.