Engineering journal
Blog
Field notes from the team building a faster, simpler full-stack React framework with Rust and Bun.
Introducing Swift Rust: 19.6x Faster React SSR on a Rust + JSC Runtime
A full-stack React 19 framework powered with Rust + Bun. 0.90ms median SSR latency, 1,092 req/s throughput, four rendering modes, and single-binary deployment.
From the team
Latest writing
5 articles
- ·7 min read01
Why We Shipped Four Rendering Modes in One Config Line
SSR + WASM, Zero-JS SSR, SSR + HTMX, and Full WASM SPA. Pick the right architecture per project or per route without rewriting components.
architecturessrwasm - ·9 min read02
Streaming SSR in Rust at 0.90ms p50 Latency
How we combined Hyper, an embedded JavaScriptCore worker pool, and React 19 renderToReadableStream for sub-millisecond median latency.
ssrrustinternals - ·4 min read03
Fonts Without the FOUT: 2,071 Google Fonts at Zero Layout Shift
How swift-rust/font/google pre-computes font metrics, subsets glyphs, and eliminates Cumulative Layout Shift automatically.
fontsperformance - ·11 min read04
Inside the SWC Compiler Pass & Capabilities-Based Security
How our Rust compiler pipeline strips directives, wires Server Actions, and enforces CSPRNG 256-bit SafeHtml tokens.
compilerswcperformance - ·5 min read05
Deploy One Rust Binary, Scale Forever
Why compiling your full-stack React application into a standalone executable changes everything about infrastructure.
deploymentinfrastructure