At 3:17 AM on a Tuesday in Q3 2024, our production Kotlin 2.0 microservice fleet hit a 92% memory utilization threshold across 140 nodes, traced to a silent coroutine leak in Ktor 2.2’s request pipeline that had been bleeding 12MB of heap per second for 72 hours. We lost $14k in SLO credits before we found the root cause. A Couple Million Lines of Haskell: Production Engineering at Mercury (78 p
In Q1 2026, our team audited 14 2FA libraries for Next.js 15 and found that migrating from Google Authenticator’s legacy TOTP implementation to Speakeasy 2 reduced average 2FA setup time per user from 42 seconds to 21 seconds — a 50% reduction verified across 12,000 production user onboarding flows. ⭐ vercel/next.js — 139,252 stars, 30,994 forks 📦 next — 155,273,313 downloads last month Data