Hacker News Highlights

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

Tree Borrows
https://plf.inf.ethz.ch/research/pldi25-tree-borrows.html
https://news.ycombinator.com/item?id=44510600

Linda Yaccarino is leaving X
https://www.nytimes.com/2025/07/09/technology/linda-yaccarino-x-steps-down.html
https://news.ycombinator.com/item?id=44510731

The jank programming language
https://jank-lang.org/
https://news.ycombinator.com/item?id=44482273

German court rules Meta tracking technology violates European privacy laws
https://therecord.media/german-court-meta-tracking-tech
https://news.ycombinator.com/item?id=44517424

Show HN: FlopperZiro – A DIY open-source Flipper Zero clone
https://github.com/lraton/FlopperZiro
https://news.ycombinator.com/item?id=44512763

MCP-B: A Protocol for AI Browser Automation
https://mcp-b.ai/
https://news.ycombinator.com/item?id=44515403

A fast 3D collision detection algorithm
https://cairno.substack.com/p/improvements-to-the-separating-axis
https://news.ycombinator.com/item?id=44510282

Ruby 3.4 frozen string literals: What Rails developers need to know
https://www.prateekcodes.dev/ruby-34-frozen-string-literals-rails-upgrade-guide/
https://news.ycombinator.com/item?id=44479302

Grok 4 Launch [video]
https://twitter.com/xai/status/1943158495588815072
https://news.ycombinator.com/item?id=44517055

Biomni: A General-Purpose Biomedical AI Agent
https://github.com/snap-stanford/Biomni
https://news.ycombinator.com/item?id=44513843