GitHub Rewrote Copilot in Rust Using Copilot — and the Numbers Are Wild
GitHub used AI agents to rewrite 800,000 lines of its Copilot runtime from TypeScript to Rust in 14.5 weeks, achieving a 15.9× performance boost and cutting memory usage from 1.3GB to 126MB. »
SolidJS 2.0 Is Almost Here: Async-First Reactivity and a Rebuilt Core
With rc.16 landing on October 20, SolidJS 2.0 freezes its API and prepares for GA — bringing signals that suspend and resume themselves and a reactive core rebuilt from the ground up. »
Cloudflare Acquires Deno: The End of an Independent Runtime and a Bet on Self-Hosted Workers
Cloudflare is buying Deno and bringing Ryan Dahl's team in-house. The Deno runtime gets one year, Deno Deploy gets six months — but celld, the tool that lets you run Workers on your own servers, is what Cloudflare really wanted. »
Astro 7.0 Ships with a Rust-Powered Markdown Engine That Cuts Build Times by Up to 61%
The Astro team replaced their JavaScript Markdown pipeline with Sätteri, a Rust-built processor that makes large content sites dramatically faster to build. »
Upgrade Next.js Now: A Critical Vulnerability Patch Drops August 26
The Next.js team has pre-announced a critical severity patch landing August 26, 2026 — here's what you need to know before the advisory goes live. »