There has been much discussion on this, especially for Spanish: example
This looks to be the future direction, as far as I can tell:
By default you would only see english posts (so the same as currently), but if you add more languages in your config page, you would see those too (if you have more than 1 language, then the selection flags could show up in the "create new post" page).
Stacker News will have other languages tab or we need to fork it to make it available to other languages?#29249
The technology exists to do real-time translation. Posts on X have this feature and I use it all the time. Good that various language speakers can gather in one place and not be off in their own language silos.
En LN news y en Fountain app piedes encontrar contenido en español si tus terminos de búsqueda los escribes en español, supogo que lo mismo sucedera si lo haces en otros idiomas