The entire software distribution stack assumes one version of your software, the same for everyone. It was the only thing we could afford when producing a change was expensive. Now it's nearly free, and it can happen at runtime, on the client, in the user's session, so the line between distribution and development is dissolving. This talk is about the infrastructure that has to catch up: where truth lives when every user runs a different version, how you debug a program that exists for one person, and why a million per-user versions can be more contained than the single tangled codebase you run today. Real architectural decisions, the tradeoffs that don't have clean answers yet, and what we're learning at the frontier.

Speakers:
- Iris ten Teije (Sky Valley Ambient Computing): Iris ten Teije is a serial entrepreneur currently building Differ: infrastructure for adaptive software.
  X/Twitter: x.com/iristenteije
  LinkedIn: http://linkedin.com/in/iristenteije

AI Engineer

A conference talk arguing that the traditional CI/CD pipeline model — built on the assumption that software is expensive to produce and must be frozen into a single artifact for all users — is becoming obsolete. As AI-driven code generation collapses the cost of producing changes, the speaker proposes 'adaptive software': a canonical stem codebase that diverges per user in real time, with bounded, isolated, and reversible per-user variants. The talk covers the demand-side evidence (enterprise professional services, dotfiles, Excel), addresses objections around reliability and blast radius, and outlines unsolved challenges including source-of-truth management, correctness testing at scale, desirability measurement, autonomy vs. control, and coordinating updates across millions of divergent versions. The speaker is a co-founder of Differ, a startup building this infrastructure.

The Pipeline Is Dead - Iris ten Teije, Sky Valley Ambient Computing