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Not all model upgrades are upgrades

A new model drops with lower per-token pricing and better benchmarks. You switch. A week later someone asks why the agent is burning 12x more tokens on the same task while producing worse output. We ran 150 agent tasks across 15 scenarios on two models, Claude Sonnet 4.6 and Claude...
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Jun 9, 2026
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Copilot Code Reviews for Azure Repos

Dan,
Andrew
🚨 July 6 Update: This private preview is no longer accepting new sign-ups. We are working to expand availability and expect to open a public preview within the next few weeks. Over the last several years, we have encouraged customers to move their repositories...
Azure DevOps Blog
Jun 8, 2026
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Microsoft Build 2026 recap: vision, launches, and top sessions

Jon Galloway
Catch up on Microsoft Build 2026 with the vision lead-off, top developer announcements, and must-watch sessions across the Microsoft developer ecosystem.
Microsoft for Developers
Jun 8, 2026
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.NET at Microsoft Build 2026: Must watch sessions

Daniel Roth
Catch up on all the .NET sessions from Microsoft Build 2026 covering .NET 11, union types in C#, AI building blocks, the agentic web, .NET MAUI, and more!
.NET Blog
Jun 8, 2026
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Enterprise Live Migrations: Moving from Azure DevOps Repo to GitHub with minimal disruption

Soo,
Bhuvan
Over the last several years, we’ve encouraged customers to move their repositories from Azure Repos to GitHub to take advantage of the latest AI-powered and agentic development experiences. For many enterprise teams, however, migrating at scale comes with real constraints. Traditional...
Azure DevOps Blog
Jun 8, 2026
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Rotation revisited: Shuffling more than three blocks, and other small notes

Raymond Chen
Generalizing the shuffle to arbitrary numbers of blocks.
The Old New Thing
Jun 5, 2026
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Rotation revisited: Avoiding having to calculate the gcd when doing cycle decomposition

Raymond Chen
Math is hard. Let's go counting!
The Old New Thing