The Changelog: Software Development, Open Source

Adam talks with Tailscale co-founder and Chief Strategy Officer David Carney about where Tailscale is headed next: TSIDP, TSNet, multiple tailnets, and Aperture. They get into clickless auth (via TSIDP), TSNet apps, multiple tailnets for isolation and control, and Aperture, Tailscale’s private AI gateway for API key management, observability, and agent security.

This week's been wild — Iran bombed AWS data centers to take down Claude, OpenAI dropped GPT-5.4 (and it's seriously good for coding), and living brain cells are literally playing DOOM. We've also got a heartfelt take on what it feels like to be a 10x engineer in the age of AI, plus some cool new tools like Handy for speech-to-text and web haptics. Oh, and new MacBook Pros with M5 Pro and M5 Max are up for pre-order. Try not to impulse buy (or do).

Adam and Jerod get into the news, Jerod officially retires from the pod (and Changelog), plus a bonus for our Changelog++ subs!

Burke Holland works on GitHub Copilot by day and codes with his AI agents always. Early January, Burke posted about how Opus 4.5 changed everything. We were all still buzzing from the holiday-season 2x usage bump Claude gave us, and Opus 4.5 felt like a genuine step function in capability. Burke and I get into all the details. Opus 4.5 may have started the fire, but GPT-5.3 Codex is certainly living up to the hype.

Wes McKinney on the mythical agent-month, install Peon Ping to employ a Peon today, Andreas Kling explains why Ladybird is adopting Rust, Cloudflare has a new MCP server that's quite efficient, and Elliot Bonneville thinks the only moat left is money.