AI adoption among software developers is approaching 100%, AI-authored code now makes up more than half of merged code, and developers report saving more time with AI every quarter. But those gains aren’t translating evenly into better outcomes.
In this episode of Engineering Enablement, host Brian Houck, Distinguished Scientist at DX, sits down with Justin Reock, Deputy CTO at DX, to unpack findings from DX’s latest AI Impact Report. They explore where AI is improving engineering velocity and developer experience, where concerns are emerging around PR size, change confidence, and failure rates, and why rising AI spend has yet to produce a comparable increase in innovation.
They also discuss how AI is changing the meaning of code maintainability and where developers’ AI-driven time savings may actually be going.
Where to find Justin Reock:
• LinkedIn: https://www.linkedin.com/in/justinreock
Where to find Brian Houck:
• LinkedIn: https://www.linkedin.com/in/brianhouck
In this episode, we cover:
(00:00) Intro
(01:45) How the current AI impact report is tied to Core 4
(03:24) The state of AI adoption
(05:12) How much time AI is saving developers and percentage of AI-authored code
(07:47) AI’s impact on PR throughput and deployment frequency
(11:09) How EMs are shipping more code
(13:02) Why larger PRs may be problematic
(18:21) The growing gap between code maintainability and change confidence
(21:48) How perceived code quality varies by organization size
(23:49) The growing volatility in change failure rates
(28:07) What the Developer Experience Index reveals
(32:20) Cost, dev ramp-up, and innovation ratio
(35:38) Where AI time savings are getting lost
(37:11) Questions and wrap-up
Referenced:
• DX Core 4 Productivity Framework
• AI Impact report
• The AI-native developer - by Brian Houck
• GitHub Copilot and Developer Productivity: An Observational Dose-Response Analysis
• Writing Code vs. Shipping Code: Productivity Effects Across Generations of AI Coding Tools | NBER
• The Productivity-Experience Paradox - Annie Vella
• EngThrive: Make It Fast and Easy to Do Great Work
• The AI efficiency plateau - by Brian Houck
• Tradable Quality Hypothesis
