The Hallway Track

developer-experience

10 tracked signals on developer-experience.

We're going to need default hard budget caps on pretty much everything

Simon Willison · Oct 03, 2026

Coding agents make hard budget caps on cloud services urgently necessary by default

“Nobody wants to wake up to an email sent at midnight warning about a budget limit and find that, while they slept, their rogue service had consumed several hundred (or several thousand) more dollars of usage.”
Build Systems, Not Code - Angie Jones, Agentic AI Foundation

AI Engineer · Jun 25, 2026

Building agentic systems requires the same engineering disciplines (systems thinking, workflow design) as pre-GenAI software development.

“When you're building agents, not just using them to write code, you start getting into architecting agentic systems.”
The solution might be cancelling my AI subscription

Simon Willison · May 31, 2026

AI coding agents make spinning up abandoned side projects frictionless, creating a serious attention and discipline problem.

“It's a thermonuclear ADHD amplifier and I have seen the same effect in every single one of my adult friends.”
Quoting Matt Webb

Simon Willison · Aug 21, 2026

Developer used ChatGPT as interactive tutor to learn quaternions, not to write code

“So learning doesn't stop just because I outsource a bunch of thinking to AI. It pushes me to learn more.”
Onboarding a Developer with AI: A Better First-Day Experience | DEM367

Microsoft Developer (Build) · Jun 04, 2026

AI agents can compress the 3-9 month developer onboarding ramp by mapping codebases and surfacing hidden context.

“Three to nine months. That's how long it takes on average for a developer to become fully productive in a new codebase.”
🧾 Building a voice-to-print mirror with Gemini

Google Developers (Google I/O) · Oct 01, 2026

Developer built a voice-activated lamp using Gemini as the core intelligence.

“It helped me realize that I can kind of bring these slightly weird or fun or quirky ideas into a real reality.”