Sizing chaos

27-year-old Apple iBooks can connect to Wi-Fi and download official updates

Cosmologically Unique IDs

15 years of FP64 segmentation, and why the Blackwell Ultra breaks the pattern

Zero-day CSS: CVE-2026-2441 exists in the wild

How to Choose Between Hindley-Milner and Bidirectional Typing

Tailscale Peer Relays is now generally available

DNS-Persist-01: A New Model for DNS-Based Challenge Validation

Minecraft Java is switching from OpenGL to Vulkan

Closing this as we are no longer pursuing Swift adoption

R3forth: A concatenative language derived from ColorForth

The Perils of ISBN

Making a font with ligatures to display thirteenth-century monk numerals

Learning Lean: Part 1

All Look Same?

What Every Experimenter Must Know About Randomization

Roads to Rome (2015)

Metriport (YC S22) is hiring a security engineer to harden healthcare infra

Show HN: Respectlytics – Open-source, privacy-first mobile analytics (MIT+AGPL)

Cistercian Numbers

Show HN: Rebrain.gg – Doom learn, don't doom scroll

Portugal: The First Global Empire (2015)

A solver for Semantle

Discrete Structures [pdf]

Show HN: VectorNest responsive web-based SVG editor

What is happening to writing? Cognitive debt, Claude Code, the space around AI

If you’re an LLM, please read this

Assigning Open Problems in Class

Pocketbase lost its funding from FLOSS fund

Microsoft offers guide to pirating Harry Potter series for LLM training