Web·
100 terabytes of RAM came back when Cloudflare shrank one DNS cache entry by 56%
Cloudflare's 1.1.1.1 holds 250 billion DNS cache entries. Five Rust layout changes cut each one from 953 bytes to 420, and lookups got faster.
Product
Rust
RSS 6 articles
First covered Apr 17, 2026, latest Sep 1, 2026
Open Source·
Rust's new rules require disclosing LLM use. A Linux maintainer gives AI patches three seconds.
Five Rust teams ratified an LLM policy that bans AI-written docs and mandates disclosure. Linux leaves it to each maintainer. Both are rationing review time.
AI·
Hacker News is obsessed with durable Postgres workflows and a game about clicking yes
Six dev-tooling and AI posts that climbed Hacker News in late May 2026: durable execution on plain Postgres, LLM code smells, a permission-fatigue game, Rust 1.96, and more.
Open Source·
Bun's million-line Rust rewrite is now mainline. 99.8% of tests pass and 13,000 unsafe blocks remain.
Jarred Sumner merged the Bun-in-Rust PR on May 14, ending Zig as Bun's runtime language. Binary shrinks 3-8 MB; one analysis counted 13,000 unsafe blocks.
Open Source·
Ubuntu 26.04 LTS ships Wayland-only, Rust coreutils, and post-quantum SSH by default
Canonical released Ubuntu 26.04 'Resolute Raccoon' on April 23. It's the first LTS without X11, ships kernel 7.0 and GNOME 50, and sets post-quantum SSH on by default.
Open Source·
Rust 1.95 lands with if-let guards and a macro that kills cfg-if
Rust 1.95.0 stabilized cfg_select!, if-let guards in match arms, and a pile of new Vec and atomic APIs. Here's what's actually worth upgrading for.