- 🧩 Add-ons support: official API so other mods can extend RoadArchitect (events, read-only core views, and per-world storage)

- 📴 No changes out of the box: there are no built-in add-ons; gameplay stays the same unless you install one.

Compatibility: No visible gameplay changes by default; add-ons are optional.;

- Modrinth

- CurseForge

- GitHub (source, issues, wiki)