1022: Bun re-written in Rust, Zig team big mad

1022: Bun re-written in Rust, Zig team big mad

July 20, 2026 · 1h 15m

About this episode

CJ and Scott discuss major updates in web development including TypeScript 7, Bun's rewrite in Rust, and new features from Cloudflare and Vercel.

CJ and Scott break down the biggest week in web dev: TypeScript 7 ships with a 10x-faster native port, Bun gets rewritten in Rust (much to the Zig team’s dismay), and Better Auth joins Vercel. Plus GPT-5.6 first impressions, Odin 1.0, Cloudflare’s new Workers cache and drag-and-drop deploys, and the OpenCode 2 beta. Show Notes 00:00 Welcome to Syntax! 00:21 CJ upgraded his homelab network 02:09 TypeScript 7 is 10x faster 11:19 Bun Rust rewrite drama Zig creator criticizes rewrite 28:18 GPT 5.6 Impressions Ashley Peachock on X Matt Shumer on X 40:58 Better Auth Acquired by Vercel 49:51 Grok Build CLI is stealing your code International Cyber Digest on X 56:00 Cloudflare Worker Cache and Drop 01:01:22 Check out CJ’s latest video I Built an LLM from Scratch 01:03:06 Odin 1.0 Announced 01:05:33 OpenCode 2.0 Beta released 01:07:32 Winamp Skin Museum 01:11:08 CJ’s new MP3 player 01:13:03 Scott’s Robot Update Sick Picks Scott: Reachy Mini CJ: Snowsky Echo Mini Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads

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