top 10 hacker news stories for 2026-07-19

Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s

https://news.ycombinator.com/item?id=48968606

3 months ago

Qwen3.8 is launching and going open-weight soon

https://twitter.com/Alibaba_Qwen/status/2078759124914098291

3 months ago

Transcribe.cpp

https://workshop.cjpais.com/projects/transcribe-cpp

3 months ago

Claude Code uses Bun written in Rust now

https://simonwillison.net/2026/Jul/19/claude-code-in-bun-in-rust/

3 months ago

What I learned selling 2,500 MIDI recorders: Hardware is not so hard

https://chipweinberger.com/articles/20260719-hardware-is-not-so-hard

3 months ago

AI Mania Is Eviscerating Global Decision-Making

https://ludic.mataroa.blog/blog/ai-mania-is-eviscerating-global-decision-making/#fnref:3

3 months ago

OpenAI reduces Codex Model Context Size from 372k to 272k

https://github.com/openai/codex/pull/33972/files

3 months ago

★ 101.5k Rust Apache-2.0

AI advice made people 3x less accurate but 2x confident, researchers found

https://thenextweb.com/news/ai-advice-suppresses-critical-thinking-wrong-answers-study

3 months ago

Minecraft: Java Edition now uses SDL3

https://www.minecraft.net/en-us/article/minecraft-26-3-snapshot-4

3 months ago

Better and Cheaper Than IPTV

https://github.com/stupside/castor

3 months ago

★ 1.9k Go MIT