Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Jul 11, 2025.

Measuring the impact of AI on experienced open-source developer productivity
https://metr.org/blog/2025-07-10-early-2025-ai-experienced-os-dev-study/
https://news.ycombinator.com/item?id=44522772

Postgres LISTEN/NOTIFY does not scale
https://www.recall.ai/blog/postgres-listen-notify-does-not-scale
https://news.ycombinator.com/item?id=44490510

Grok: Searching X for "From:Elonmusk (Israel or Palestine or Hamas or Gaza)"
https://simonwillison.net/2025/Jul/11/grok-musk/
https://news.ycombinator.com/item?id=44527190

Flix – A powerful effect-oriented programming language
https://flix.dev/
https://news.ycombinator.com/item?id=44521224

Show HN: Pangolin – Open source alternative to Cloudflare Tunnels
https://github.com/fosrl/pangolin
https://news.ycombinator.com/item?id=44526015

What is Realtalk’s relationship to AI? (2024)
https://dynamicland.org/2024/FAQ/#What_is_Realtalks_relationship_to_AI
https://news.ycombinator.com/item?id=44522076

Graphical Linear Algebra
https://graphicallinearalgebra.net/
https://news.ycombinator.com/item?id=44522505

FOKS: Federated Open Key Service
https://foks.pub/
https://news.ycombinator.com/item?id=44520419

Show HN: Open source alternative to Perplexity Comet
https://www.browseros.com/
https://news.ycombinator.com/item?id=44523409

Red Hat Technical Writing Style Guide
https://stylepedia.net/style/
https://news.ycombinator.com/item?id=44521871