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Topic

Engineering Productivity Metrics

Choosing what to measure when evaluating AI-assisted development, such as accepted changes and review cost versus generated lines of code.

Current stories

buildOne report1 publisher

Sorting the last 100 review comments finds 75% of the feedback a rule or a test can catch

The New Stack says AI-assisted teams have moved the bottleneck from writing code to verifying it, and the remedy it proposes is an afternoon spent sorting the last 100 review comments into rules, tests and judgment.

Publishers:thenewstack.io

Reality

Evidence32
Adoption15
Hype gap+35
Incentives80
Confidence55
buildOne report1 publisher

A six-person team's weekly review load grew 7.6x in a quarter

One engineer's quarter of data has median merge time going from 4 hours to 14 while median diff size climbed from 90 lines to 310, and the way both ends of the latency distribution moved points at PR size rather than reviewer saturation.

Publishers:dev.to

Reality

Evidence26
Adoption18
Hype gap+35
Incentives30
Confidence38
leadershipOne report1 publisher

AI spending is soaring while executives remain unsure it delivers ROI

Nearly nine in ten Fortune 1,000 executives say AI makes their organisations faster, but only six percent can point to clear ROI. Median quarterly spend has meanwhile risen about thirty-fold.

Publishers:forbes.com

Reality

Evidence45
Adoption68
Hype gap+15
Incentives75
Confidence40
scienceOne report1 publisher

Meta counted the code its agents wrote, then cancelled the layoffs

Internal telemetry reported by Reuters shows code changes up 220% while user-facing changes rose 36%, and major incidents up 40%. The cuts of up to 60% did not happen.

Publishers:cio.com

Reality

Evidence52
Adoption61
Hype gap+44
Incentives66
Confidence54
buildOne report1 publisher

Unity's AI problem is not the prompt: the load-bearing context lives in the prefabs

A shipping-games veteran argues assistants fail on mature Unity projects because versions, scene ownership and serialized references sit outside the code. Score accepted changes, not lines.

Publishers:dev.to

Reality

Evidence28
Adoption10
Hype gap+14
Incentives45
Confidence34