Hacker News – 20 Jul 2026

Table of Contents Cybersecurity and AI Insights Exploit brokers pay $500k for WordPress RCEs. I found one with GPT5.6 and $25 Eliminating Go bounds checks with unsafe Claude Code uses Bun written in Rust now Innovative Hardware Solutions Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s Self-Powered Trailers Promise Leaner Freight Runs What I learned selling 2,500 MIDI recorders: Hardware is not so hard Game Streaming and Development Updates Moonshine: Lets you stream games from your PC to any device running Moonlight Minecraft: Java Edition now uses SDL3 Robotics and AI Advances Xiaomi-Robotics-1 LoRA Speedrun – a public wall-clock leaderboard for fine-tuning techniques Cultural and Environmental News Sealed tomb filled with paintings and inscriptions discovered in Egypt Bananas sprout in Rayleigh Garden UK after 15 years