7.8.25 | ChatGPT prompts feature addition, Mercury introduces fast diffusion models, o3 profiles from Pocket links

Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Jul 8, 2025.

Adding a feature because ChatGPT incorrectly thinks it exists
https://www.holovaty.com/writing/chatgpt-fake-feature/
https://news.ycombinator.com/item?id=44491071

Mercury: Ultra-fast language models based on diffusion
https://arxiv.org/abs/2506.17298
https://news.ycombinator.com/item?id=44489690

I used o3 to profile myself from my saved Pocket links
https://noperator.dev/posts/o3-pocket-profile/
https://news.ycombinator.com/item?id=44489803

New sphere-packing record stems from an unexpected source
https://www.quantamagazine.org/new-sphere-packing-record-stems-from-an-unexpected-source-20250707/
https://news.ycombinator.com/item?id=44493196

When Figma starts designing us
https://designsystems.international/ideas/when-figma-starts-designing-us/
https://news.ycombinator.com/item?id=44479502

François Chollet: The Arc Prize and How We Get to AGI [video]
https://www.youtube.com/watch?v=5QcCeSsNRks
https://news.ycombinator.com/item?id=44455175

Hymn to Babylon, missing for a millennium, has been discovered
https://phys.org/news/2025-07-hymn-babylon-millennium.html
https://news.ycombinator.com/item?id=44461082

Launch HN: Morph (YC S23) – Apply AI code edits at 4,500 tokens/sec
https://news.ycombinator.com/item?id=44490863

Solving Wordle with uv's dependency resolver
https://mildbyte.xyz/blog/solving-wordle-with-uv-dependency-resolver/
https://news.ycombinator.com/item?id=44476382

Show HN: NYC Subway Simulator and Route Designer
https://buildmytransit.nyc
https://news.ycombinator.com/item?id=44490588