Microsoft finally opens the source of WSL, Paolo Scanferla describes an inherent trade-off in TypeScript’s type system, Alberto Fortin is taking a step back from heavy LLM use while coding, a pseudonymous hacker spent two weeks coding from their Android phone, and NLWeb might become the HTML of the open agentic web.

Welcome back to #define, our game of obscure jargon, fake definitions, and expert tomfoolery. We’ve gathered some awesome friends, new and old, to see who has the best vocabulary and who can trick the everyone else into thinking that they do.

Derek Collison — creator of NATS and Co-founder & CEO of Synadia — joins the show to dive into the origins, design, and evolution of NATS, a high-performance, open-source messaging system built for modern cloud-native systems and part of the CNCF. Derek shares the story behind NATS, what makes it unique, and unpacks the recent tensions between Synadia and the CNCF over the future of the project.

Rasmus Holm takes a critical look at MCP, Stefan Judis shares a new term he learned from Scott Hanselman, Raf beautifully describes the curse of knowing how, Void is an open source Cursor alternative & React Jam is back for its 6th online game jam.

Kaizen 19 has arrived! Gerhard has been laser-focused on making Jerod’s pipe dream a reality by putting all of his efforts into Pipely. Has it been a big waste of time or has this epic side quest morphed into a main quest?!

Nathan Sobo is back talking about the next big thing for Zed—agentic editing! You now have a full-blown AI-native editor to play with. Collaborate with agents at 120fps in a natively multiplayer IDE.

The DOJ’s beef with Google might spell doom for Mozilla, Clayton Ramsey makes a plea for not using ChatGPT for writing, Tim Cook loses a big gamble, Brandon Reinhart migrates his game dev away from Rust and Bevy, and Ibrahim Diallo throws zip bombs at malicious bots.

Our old friend, Zeno Rocha, returns to discuss email etiquette, the strange new world of AI SEO, the coming LLM enshittification, and SLATE Auto – the just-announced $20k modular EV truck.

Drew Wilson is back! It’s been more than a decade since Adam and Drew have spoken and wow, Drew has been busy. He built Plasso and got acquired by GoDaddy. He built a bank called Letter which didn’t work out…and now he’s Head of Design at Clerk and back to chasing that next big thing.

Zach Bellay tells us about the devil and the angel on his shoulders, Pete Koomen thinks today’s AI apps are like horseless carriages, Hyperwood is an open source system for crafting furniture from simple wooden slats, Scott Antipa agrees with YAGNI but adds YAGRI & Antony Henao debunks three common myths that get engineers stuck.