DTF:HN for July 20, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for July 20, 2026. Featuring: Exploit brokers pay $500k for WordPress RCEs. I found one with GPT5.6 and $25, Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s, Moonshine: Lets you stream games from your PC to any device running Moonlight, Sealed tomb filled with paintings and inscriptions discovered in Egypt, LoRA Speedrun – a public wall-clock leaderboard for fine-tuning techniques, and more. Stories covered: 1. Exploit brokers pay $500k for WordPress RCEs. I found one with GPT5.6 and $25 https://slcyber.io/research-center/exploit-brokers-pay-500000-for-a-wordpress-rce-i-found-one-with-gpt5-6/ HN discussion: https://news.ycombinator.com/item?id=48975665 2. Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s HN discussion: https://news.ycombinator.com/item?id=48968606 3. Moonshine: Lets you stream games from your PC to any device running Moonlight https://github.com/hgaiser/moonshine HN discussion: https://news.ycombinator.com/item?id=48972970 4. Sealed tomb filled with paintings and inscriptions discovered in Egypt https://www.labrujulaverde.com/en/2026/07/sealed-tomb-of-a-high-official-or-priest-filled-with-paintings-and-inscriptions-discovered-on-luxors-west-bank/ HN discussion: https://news.ycombinator.com/item?id=48917906 5. LoRA Speedrun – a public wall-clock leaderboard for fine-tuning techniques https://github.com/Saivineeth147/lora-speedrun HN discussion: https://news.ycombinator.com/item?id=48974325 6. Eliminating Go bounds checks with unsafe https://blog.andr2i.com/posts/2026-07-06-eliminating-go-bound-checks-with-unsafe HN discussion: https://news.ycombinator.com/item?id=48908884 7. Self-Powered Trailers Promise Leaner Freight Runs https://spectrum.ieee.org/self-powered-trailers-freight-decarbonization HN discussion: https://news.ycombinator.com/item?id=48861496 8. Orion Browser by Kagi https://orionbrowser.com/ HN discussion: https://news.ycombinator.com/item?id=48970894 9. What I learned selling 2,500 MIDI recorders: Hardware is not so hard https://chipweinberger.com/articles/20260719-hardware-is-not-so-hard HN discussion: https://news.ycombinator.com/item?id=48966713 10. Xiaomi-Robotics-1 https://robotics.xiaomi.com/xiaomi-robotics-1.html HN discussion: https://news.ycombinator.com/item?id=48974454