From Next.js 15 to SvelteKit: Why We Rewrote Rsale.net's Frontend

Hey dev.to! Maksim here again, author of the previous article "From Idea to MVP: Building a Classified Platform in Serbia" about Rsale.net , a classified platform for Serbia. In that post I described the stack: Next.js 15 + React 19 + ASP.NET Core microservices + AI translation. A few months later, the frontend has been fully rewritten on SvelteKit 2 + Svelte 5 (runes) . The Next.js codebase is gone. In this article I'll walk through why we did it, what we gained, and where it hurt. Project stat