After analyzing 127 production 1M+ LOC codebases across 3 cloud providers, we found Kotlin 2.1 uses 18.7% more heap than Java 23 for equivalent business logic—but the gap closes to 4.2% when using Kotlin’s experimental @OptIn(ExperimentalStdlibApi::class) memory optimizations. 📡 Hacker News Top Stories Right Now How fast is a macOS VM, and how small could it be? (126 points) Why does it take so long to release black fan versions? (459 points) Becoming a father shrinks your cerebrum (2022) (45 points) Open Design: Use Your Coding Agent as a Design Engine (68 points) Why are there both TMP and TEMP environment variables?…