This is a recap of the top 10 posts on Hacker News on Apr 28, 2026.

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

• (00:00) - Intro

Microsoft and OpenAI end their exclusive and revenue-sharing deal
https://www.bloomberg.com/news/articles/2026-04-27/microsoft-to-stop-sharing-revenue-with-main-ai-partner-openai
https://news.ycombinator.com/item?id=47921248

GitHub Copilot is moving to usage-based billing
https://github.blog/news-insights/company-news/github-copilot-is-moving-to-usage-based-billing/
https://news.ycombinator.com/item?id=47923357

Men who stare at walls
https://www.alexselimov.com/posts/men_who_stare_at_walls/
https://news.ycombinator.com/item?id=47920074

Is my blue your blue?
https://ismy.blue/
https://news.ycombinator.com/item?id=47926861

4TB of voice samples just stolen from 40k AI contractors at Mercor
https://app.oravys.com/blog/mercor-breach-2026
https://news.ycombinator.com/item?id=47919630

Pgbackrest is no longer being maintained
https://github.com/pgbackrest/pgbackrest
https://news.ycombinator.com/item?id=47919997

Talkie: a 13B vintage language model from 1930
https://talkie-lm.com/introducing-talkie
https://news.ycombinator.com/item?id=47927903

Quarkdown – Markdown with Superpowers
https://quarkdown.com/
https://news.ycombinator.com/item?id=47919240

Fully Featured Audio DSP Firmware for the Raspberry Pi Pico
https://github.com/WeebLabs/DSPi
https://news.ycombinator.com/item?id=47901433

FDA approves first gene therapy for treatment of genetic hearing loss
https://www.fda.gov/news-events/press-announcements/fda-approves-first-ever-gene-therapy-treatment-genetic-hearing-loss-under-national-priority-voucher
https://news.ycombinator.com/item?id=47919733