TypeScript.fm - The Friendly Show for TypeScript Developers | Astro 6.4, Rust's Restriction on LLMs, and Why tsgo Uses So Much Memory | News

Astro 6.4, Rust's Restriction on LLMs, and Why tsgo Uses So Much Memory | News | Ep 69

June 2, 2026 / 01:06:15/E69 Download MP3

News for the week of May 25, 2026: Astro's new Markdown processor API, Rust's take on LLM authorship, and new stage 4 TC39 proposals. From the community: highlights.

Sponsored by Excalibur.js
Excalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games with TypeScript or JavaScript! Excalibur comes out-of-the-box with everything you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.

Homepage and Docs: https://excaliburjs.com
Make Your First Game in 10 Minutes
Join the Discord: https://discord.gg/9UemP985Uy

Chapters

(00:00) - Welcome to the Show
(03:32) - News: Astro 6.4 Has a New Markdown Processor API
(06:16) - News: What's New in Svelte, June 2026
(07:01) - News: Rust Moves to Restrict LLM Use for rust/lang
(13:25) - News: Porffor.dev is Now Served From a Native TS Binary
(14:45) - News: Several ECMAScript Proposals Moving to Stage 4
(18:10) - Security: Malicious Postinstall Hooks Found in 700+ GH Repositories
(20:22) - Library Watch: Replacements.fyi Helps Find Replacement Libraries
(21:52) - Library Watch: Sandcastle Helps You Sandbox Local Coding Agents
(23:30) - Library Watch: rspack Now Has Better Cross-module Tree-shaking
(25:42) - Library Watch: Thales Compiles TypeScript to Lean 4 Proof Language
(27:03) - Community: 2ality Going Offline for Awhile
(28:46) - Community: Hardening npm Publishing by Jovi de Croock
(33:51) - Community: Why Does tsgo Use So Much Memory?
(35:38) - Community: Fixing TS Perf Problems, a Case Study by Viget
(36:33) - Community: Rust-Inspired TypeScript by Rijk van Zanten
(37:22) - Community: Speeding Up the JavaScript Ecosystem with oxlint and oxfmt by Marvin Hagemeister
(38:40) - Community: Is AI Causing a Repeat of Frontend's Lost Decade? by Mauro Bieg
(41:14) - Community: 4 Component Scoped CSS Techniques by Mauro Bieg
(43:28) - Building Type-Safe APIs with Hano
(44:00) - Community: Using Effect.ts in OpenCode by Dax Raad
(44:30) - Community: Tip on Object.assign Typing vs. Runtime Behavior
(45:46) - Bleet of the Week
(47:08) - Cool Link: Building OpenCode with Dax Raad
(49:28) - Cool Link: Mina the Hollower
(50:22) - The Minnesota Long Goodbye