This is a recap of the top 10 posts on Hacker News on Apr 5, 2026.

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

• (00:00) - Intro

Show HN: A game where you build a GPU
https://jaso1024.com/mvidia/
https://news.ycombinator.com/item?id=47640728

How many products does Microsoft have named 'Copilot'?
https://teybannerman.com/strategy/2026/03/31/how-many-microsoft-copilot-are-there.html
https://news.ycombinator.com/item?id=47642569

Apple approves driver that lets Nvidia eGPUs work with Arm Macs
https://www.theverge.com/tech/907003/apple-approves-driver-that-lets-nvidia-egpus-work-with-arm-macs
https://news.ycombinator.com/item?id=47640380

OpenScreen is an open-source alternative to Screen Studio
https://github.com/siddharthvaddem/openscreen
https://news.ycombinator.com/item?id=47595695

AWS engineer reports PostgreSQL perf halved by Linux 7.0, fix may not be easy
https://www.phoronix.com/news/Linux-7.0-AWS-PostgreSQL-Drop
https://news.ycombinator.com/item?id=47644864

German implementation of eIDAS will require an Apple/Google account to function
https://bmi.usercontent.opencode.de/eudi-wallet/wallet-development-documentation-public/latest/architecture-concept/06-mobile-devices/02-mdvm/
https://news.ycombinator.com/item?id=47644406

Components of a Coding Agent
https://magazine.sebastianraschka.com/p/components-of-a-coding-agent
https://news.ycombinator.com/item?id=47638810

LLM Wiki – example of an "idea file"
https://gist.github.com/karpathy/442a6bf555914893e9891c11519de94f
https://news.ycombinator.com/item?id=47640875

Introduction to Computer Music (2009) [pdf]
https://composerprogrammer.com/introductiontocomputermusic.pdf
https://news.ycombinator.com/item?id=47645432

Show HN: sllm – Split a GPU node with other developers, unlimited tokens
https://sllm.cloud
https://news.ycombinator.com/item?id=47639779