On March 12, 2024, our production deployment pipeline failed 5 times in 4 hours, costing $12,400 in downtime and eroding customer trust—all because of a silent integer overflow bug in Jenkins 2.440’s Groovy sandbox. 📡 Hacker News Top Stories Right Now Specsmaxxing – On overcoming AI psychosis, and why I write specs in YAML (75 points) A Couple Million Lines of Haskell: Production Engineering at Mercury (187 points) This Month in Ladybird - April 2026 (306 points) Dav2d (460 points) The IBM Granite 4.1 family of models (77 points) Key Insights Jenkins 2.440’s Groovy sandbox misconfigured permissions for dynamic agent labels, causing 12% of pipeline runs to silently fail GitHub Actions 2.0’s reusable workflows reduced CI config duplication by 89% across 14 microservices Migrating to Argo Workflows 3.6 cut deployment rollback time from 18 minutes to 47 seconds, saving $9,200/month in on-call costs 78% of enterprise CI pipelines will migrate from Jenkins to cloud-native alternatives by 2027 (Gartner, 2024) //…