Theo's $420K TS-Rust Port, bun check, and Deno Joins Cloudflare | News | Ep 85

News for the week of October 5, 2026: Theo spends $420,000+ porting the TypeScript compiler to Rust, the new Bun (type)check command claims 3-7x speedups, and Deno joins Cloudflare. From the community: ViteConf is October 15, GitHub moves off CSS-in-JS, and Syntax is donating.

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Chapters

(00:00) - Tooling: ts-rust, a Vibe Port of TypeScript 7 to Rust

(06:03) - Tooling: bun check, 2-7X Faster Type Checking in Bun 1.4.3

(10:07) - Tooling: bun Adds lint and format Commands, Forking oxlint and oxfmt

(11:27) - Tooling: terser Adds Erasable Types Support

(13:17) - Tooling: Node.js 26.11.0, New Docs and Benchmarking Perf Hooks

(15:22) - Frameworks: Next.js 16.4 Adds Cache Components Programming Model

(19:21) - Web Platform: Deno Joins Cloudflare, But Will No Longer Maintain the Runtime