Five Rust-level memory optimizations to the DNS cache layout of Big Pineapple cut per-entry memory by 56%, freeing approximately 100 TB of memory across Cloudflare's fleet.

Release announcement, 2026-08-28.

Introducing Zod 4.5 and its flagship feature: SCHEMA COMPILATION

Just z.compile() any schema and get back a new precompiled schema that's 3-9x faster

A from-the-ground-up walkthrough of how modern LLMs work, from tokens to transformer blocks to the next-token loop

An Introduction to File Formats and ImHex by Reverse Engineering FEZ's Save File Format

How Wirewiki's domain-name autocomplete renders suggestions next frame for 99% of keystrokes.

A few years years ago the curl project signed up and became a CNA. This means that we are masters of and can allocate our own CVE identifiers. For any security problems within our territory, it is we who decides if the issue should get a CVE or not. No more…

A 21-year-old Linus Torvalds introduced Linux on Usenet, having no idea how far his small project would eventually travel

We are rewriting the mold linker in Rust and adding linker script support so that mold can link essentially anything GNU ld can, including kernels and embedded programs. This will be mold 3.0. We …

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What comes to mind when you hear "frontend optimization"? For most of us it's things like reducing network requests, shrinking the bundle,…

Good software design raises the abstraction level until the code communicates the domain rather than the mechanics.

How Postgres evaluates calculations when a value is unknown: three-valued logic, arithmetic and concatenation with NULL, NOT IN, aggregates and window functions, NULL sort order, and Postgres 19 IGNORE NULLS.

There are lighter and more reasonable alternatives to GraphQL.

The Linux kernel is a really huge piece of code. As a modern operating system kernel, it contains schedulers to manage processes and resources, a network stack, a handful of file systems, thousands of device drivers, and much, much more. At the same time…

Everyone is trying to speed up software development by building their solutions using bricks like third-party components or libraries. However, we forget what problems they may trigger. Today, I′ll...

Metaphors like "a sinking ship" are often used to describe codebases, but are misleading. A _business_ will sink long before code quality reaches a hypothetical floor. Technical debt has no bankruptcy, no clean reset, so metaphors that imply an end provide…