It will be interesting to see the Ruby Rails direction on ractor vs Fiber. Shopify is testing on Falcon / Fiber for production already.<p>Edit: Turns out they are working on Ractor as well<p>( <a href="https://railsatscale.com/2026-08-11-ractors-on-rails/" rel="nofollow">https://railsatscale.com/2026-08-11-ractors-on-rails/</a>)