Reletter
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A newsletter about engineering leadership with things that you probably already know.

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Substack
PricingOnly free issuesPublishesWeekly
Issues13Founded4 years agoLast Issuea month ago
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oldmug.io
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Latest Issues

The AI Budget Reckoning

Uber burned through its entire 2026 AI coding budget in four months. Microsoft began canceling direct Claude Code licenses and redirecting engineers toward cheaper alternatives. Nvidia’s Bryan Catanzaro put the arithmetic plainly: for his t...

a month ago

Faster Code, Slower Teams

The pitch was clean: AI coding tools would make your engineers faster. And the numbers came in to prove it: Pull requests up, Cycle times down, Individual throughput at levels that would have seemed unrealistic two years ago.

So why do so...

2 months ago
1

The Job That AI Can't Do (Yet)

Here is a number worth sitting with: 75% of engineers are using AI tools, yet most organizations see no measurable improvement in performance.

Not a small improvement. Not a disappointing one. No measurable improvement.

Thanks for reading...

2 months ago
1

Foundations #4: The Accidental Standard

This article is part of the “Foundations” series, exploring the roots of well-known technologies, patterns, and solutions that quietly revolutionized our industry.


Every post I write for Old Mug is written in Markdown. Every respons...

2 months ago

Foundations #3: The Rise of Virtualization

This article is part of the “Foundations” series, exploring the roots of well-known technologies, patterns, and solutions that quietly revolutionized our industry.


Today, spinning up a virtual machine in the cloud takes only a few s...

10 months ago
1

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  • Andre Nobre

    Engineering Leader with almost 20 years of experience, sharing leadership and technical content in Oldmug.io.

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