A developer newsletter covering the launch of Flue, a new TypeScript-based agent harness framework by Fred K. Schott (creator of Astro). Flue enables building and deploying custom AI agents with runtime-agnostic shell abstraction (via just-bash), sandbox flexibility, skill-centric design, and MCP support. Also covers Rolldown v1.0, a new VS Code release, Tanner Linsley rewriting React, a Rust-based TypeScript compiler (tsz), and a JavaScript async error handling tip about try/catch not working with setTimeout.
Table of contents
The Main ThingOur Friends (With Benefits)Spot the BugCool BitsSpot the Bug: SolutionSort: