Development

GitHub’s stacked pull requests exit preview, splitting large changes into reviewable layers merged in one click.

GitHub Copilot and a new wave of AI tools are turning code review from a scarce bottleneck into a scalable quality gate for every pull request.

AI models can now generate tests, find edge cases, and validate behavior at scale. But blindly using AI for testing creates false confidence.

Biome replaces ESLint, Prettier, and half your build pipeline with a single Rust-based tool 100x faster — and it’s already becoming the default choice.

Bun just merged a massive PR rewriting its core from Zig to Rust — over a million lines changed in roughly a week.

Deno 2.3 brings workspace support and improved Node compatibility.

Python 3.14’s development is pushing free-threading forward. Here’s what the removal of the GIL means practically, and why it matters more than you might think.

The WebAssembly Component Model is reaching maturity, and it might finally deliver on the ‘write once, run anywhere’ promise that Java made thirty years ago.

Rust’s integration into the Linux kernel has moved beyond proof of concept into real subsystems, but the cultural and technical challenges remain fascinating.

As we enter 2026, the JavaScript runtime ecosystem is more competitive and innovative than ever. Here’s where things stand.

Python 3.13’s experimental free-threading mode is here. I’ve been testing it in production workloads — here’s what actually works and what doesn’t.

Python 3.14 arrives with maturing free-threading support and an experimental JIT compiler, signaling a new performance era for the language.