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

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 (devblogs.microsoft.com/typescript/announcing-t…) is 10x faster

• 11:19 Bun Rust rewrite (bun.com/blog/bun-in-rust) drama

• Zig creator criticizes rewrite (andrewkelley.me/post/my-thoughts-bun-rust-rewr…)

• 28:18 GPT 5.6 Impressions

• Ashley Peachock on X (x.com/_ashleypeacock/status/207664607124646722…)

• Matt Shumer on X (x.com/mattshumer_/status/2075657271401390161?s…)

• 40:58 Better Auth Acquired by Vercel (better-auth.com/blog/better-auth-joins-vercel)

• 49:51 Grok Build CLI is stealing your code

• International Cyber Digest on X (x.com/IntCyberDigest/status/207668921525801406…)

• 56:00 Cloudflare Worker Cache (blog.cloudflare.com/workers-cache) and Drop (cloudflare.com/drop)

• 01:01:22 Check out CJ’s latest video I Built an LLM from Scratch (youtube.com/watch?v=YmLp8qe87A0)

• 01:03:06 Odin 1.0 Announced (youtube.com/watch?v=dLPAqXi9In0)

• 01:05:33 OpenCode 2.0 (v2.opencode.ai) 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 (huggingface.co/reachy-mini)

• CJ: Snowsky Echo Mini (amzn.to/3R6hK0l)

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