Backwards navigation from older version of docs breaks navigation in Firefox

[TheOtterlord]

Browser: Firefox 134.0.2

Steps to reproduce

1. Navigate to https://tailwindcss.com/
2. Using the version selector, navigate to any older version (e.g. v3)
3. Navigate backwards
4. All links (including external) are broken

Video reproduction

upload.mp4

[philipp-spiess]

Huh, that's an odd one. I can definitely reproduce this but I'm not sure yet how to fix this, this might be a Next.js bug? 🤔