We need Nextcloud developers to include RTL direction for some Asian languages such as Hebrew, Farsi, Arabic etc.
We have already tried a couple of tools like RTLCSS but RTLing some layouts sound more complicated than that.
You reached out via github as well: RTL (Right-to-Left) text direction for some Asian languages such as Arabic, Hebrew, Persian etc. · Issue #31420 · nextcloud/server · GitHub
There is a design library for apps: GitHub - nextcloud/nextcloud-vue: 🍱 Vue.js components for Nextcloud app development ✌
and the vue-libraries seem to support that: https://vuetifyjs.com/en/features/bidirectionality/
However, I don’t know if this is a question for the design team, or if it runs down deeper in the code as well.