After migrating 14 production applications from Next.js API routes to React Server Components (RSC) with tRPC over the past 18 months, our team reduced average client-side bundle size by 62%, cut p99 API latency by 47%, and eliminated 83% of redundant data fetching logic. Here’s the unvarnished data, code, and tradeoffs.

🔴 Live Ecosystem Stats

⭐ trpc/trpc — 40,146 stars, 1,599 forks

📦 @trpc/server — 12,773,438 downloads last month

Data pulled live from GitHub and npm.

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Key Insights

RSC + tRPC reduces client-side data fetching code by 78% on average across migrated apps

tRPC v11 (stable as of Q3 2024) adds native RSC support with…