This is a recap of the top 10 posts on Hacker News on Oct 3, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Signal Protocol and Post-Quantum Ratchets
https://signal.org/blog/spqr/
https://news.ycombinator.com/item?id=45451527

OpenAI's H1 2025: $4.3B in income, $13.5B in loss
https://www.techinasia.com/news/openais-revenue-rises-16-to-4-3b-in-h1-2025
https://news.ycombinator.com/item?id=45453586

Potential issues in curl found using AI assisted tools
https://mastodon.social/@bagder/115241241075258997
https://news.ycombinator.com/item?id=45449348

Playball – Watch MLB games from a terminal
https://github.com/paaatrick/playball
https://news.ycombinator.com/item?id=45451577

Babel is why I keep blogging with Emacs
https://entropicthoughts.com/why-stick-to-emacs-blog
https://news.ycombinator.com/item?id=45453222

The strangest letter of the alphabet: The rise and fall of yogh
https://www.deadlanguagesociety.com/p/history-of-letter-yogh
https://news.ycombinator.com/item?id=45455882

Fp8 runs ~100 tflops faster when the kernel name has "cutlass" in it
https://github.com/triton-lang/triton/pull/7298
https://news.ycombinator.com/item?id=45458948

I spent the day teaching seniors how to use an iPhone
https://forums.macrumors.com/threads/i-spent-the-day-trying-to-teach-seniors-how-to-use-an-iphone-and-it-was-a-nightmare.2468117/
https://news.ycombinator.com/item?id=45457670

Why I chose Lua for this blog
https://andregarzia.com/2025/03/why-i-choose-lua-for-this-blog.html
https://news.ycombinator.com/item?id=45452261

FyneDesk: A full desktop environment for Linux written in Go
https://github.com/FyshOS/fynedesk
https://news.ycombinator.com/item?id=45458122