Cold starts cost serverless teams $4.2B annually in wasted compute and timeout errors. In 2026, Java 24’s Project CRaC and Go 1.26’s rewritten runtime cut startup times by 62% and 41% respectively—but which delivers better ROI for AWS Lambda workloads? We ran 12,000 cold start tests across 3 Lambda regions to find out. 🔴 Live Ecosystem Stats ⭐ openjdk/jdk — 21,432 stars, 5,987 forks (Java 24 mainline) ⭐ golang/go — 133,667 stars, 18,958 forks (Go 1.26 mainline) ⭐ aws/aws-lambda-java-libs — 892 stars, 412 forks ⭐ aws/aws-lambda-go — 4,123 stars, 987 forks Data pulled live from GitHub as of 2026-03-15. 📡 Hacker News Top Stories Right Now Ghostty is leaving GitHub (1537 points) ChatGPT serves ads.…