23 October 2026

30 links · Friday

Introducing Kimi K3.1 Pro

Kimi K3.1 Pro landed on the Kimi API today - it's not yet open weights, but Moonshot promise "Full model weights will be released by Nov 4, 2026". They're also …

We have Traits at Home

I have had more time recently to write code in Zig[1], and it has been good for my soul. I wanted to share some insights I have arrived at regarding abstractions in Zig, including some techniques that I have found useful but not seen employed more broadly.

Ubiquiti's $99 Vape Detector is actually pretty good

Since learning about the effects of high CO2 concentration on attention and cognitive performance—especially at levels much higher than 2000ppm—I've started monitoring CO2 and other air quality indicators in my house, at my studio, and even on the road. I have…

Keep Android Open

Your phone is about to stop being yours. In 2027, Google will block every Android app whose developer hasn't registered with them.

Code and Cake - Docker is weird

I decided to make my own container runtime for fun, and even though I’m still early on, I’ve learned that Docker is weird. Here’s some weird things I learned about Docker.

Hot take

How our judgement shows our perception of reality and how to take control

The Private Key Was Four

Eight eMudhra CA keys were small enough to guess. eMudhra had cryptographic proof in June 2025 that something was wrong, kept the weak keys in service, and no other layer of WebPKI oversight was positioned to catch it.

How to run a city builder on 16 MHz

Do you feel spoiled by modern hardware? I know I do. Even the cheapest CPUs have at least 4 cores nowadays, running billions of operations per second. The idea that you could run any software on le…

What Reel You Will Get Next

A system design walkthrough of a real-time short-video recommender, built from what we saw Instagram's web app send, ByteDance's Monolith paper and Meta's Wukong paper.

My Perfect Scheme

Scheme is fun and pretty! It could be even more perfect, and that’s what I explore in this post.

Why skilj has no aggregates

Dynamic Consistency Boundaries instead of aggregates: how skilj checks a rule that spans a student and a course in one decision, and what it costs.

The Next Human Bottleneck

Intelligence is getting cheaper. Managing it is the challenge.

Introducing Seed Search

Mwmbl is continuing to develop its search engine with new features and ways for the community to get involved. One of these features is Seed Search, which helps improve search results while expanding Mwmbl’s own search index. What is Seed Search? Seed Search h…