Three years after the tease, one year after Next.js 15. Production feedback on RSC: what really works and what still breaks.
RSC took time to convince. In 2026, after a year of stable Next.js 15, it finally works — with nuance.
Server Component runs server-side, ships HTML + RSC payload, zero JS on client. 50-70% smaller bundles, direct DB access, no useEffect fetching.
The real killer feature. Kills 80% of API route boilerplate.
Highly interactive apps (collaborative editors), React Native, unprepared teams.
Iterator helpers, Promise.try, Set methods, Regex /v flag. ES2025 is the densest update since ES6. Full tour with real use cases.
A year after Bun 1.2 and the runtime explosion, here is the field verdict: who to pick for what, and when hype misleads.
Concrete tour of TypeScript 5.7 features, with patterns I adopted and those I skipped.
I design and ship tailor-made applications. 9 years of experience. Let's talk over a coffee (or a call).
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