Issue / 2026-05-09
A daily board of tools, apps, and references that Hacker News readers pulled into view on 2026-05-09. Each row keeps the original HN thread close to the claim.
What surfaced that day
Bun runtime — experimental Rust rewrite reached 99.8% test compatibility on Linux x64 glibc.
HN comments called the result “remarkable” and highlighted the 99.8% test-suite compatibility after starting from thousands of compiler errors.
Zed theme builder — visual editor for high-contrast themes and fine-grained styling.
The thread praised the inspector as a game changer and said the theme builder finally made good high-contrast themes practical.
GrapheneOS — Android security OS that patched a VPN leak Google refused to fix.
Commenters praised GrapheneOS’s release 2026050400 fix and repeatedly recommended supported Pixels for people who want a hardened Android stack.
Pixel 8 phone — recommended GrapheneOS hardware pick thanks to MTE support.
A commenter said Pixel 8 is preferable because it adds MTE support, while others warned that carrier-sold Pixels often lack unlockable bootloaders.
Ben Eater's 8-bit computer — hands-on DIY CPU project for learning computer architecture.
A commenter called it “the most excellent ben-eater’s 8bit-computer” and linked it as a strong learning resource.
Nand to Tetris — from-first-principles systems course that builds a computer from logic gates.
Commenters grouped it with Ben Eater’s build as a top-tier path from simple gates to a working computer.
YouTube explainer — the long road to making the blue LED.
The LED manufacturing thread described the video as “a non-frantic (related) video worth the watch.”