Martin Fowler

Fragments: February 25

Laura Tacho’s recent study shows 92.6% of developers rely on AI assistants, claiming roughly four saved hours per week and that AI now writes about 27% of code autonomously. The data also suggests AI can halve onboarding time, yet averages mask starkly different outcomes—some firms see doubled incident rates while others cut them in half. ThoughtWorks CTO Rachel Laycock highlights emerging challenges such as cognitive load, evolving staff‑engineer roles, and the need for agent‑driven self‑healing systems. Simon Willison’s Agentic Engineering patterns and security‑focused fine‑scoped agents illustrate how the industry is shaping practical, risk‑aware AI workflows.