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How to test agent skills without hitting real APIs

Your agent skill calls an API. The moment you start evaluating it, every run either costs money or mutates production data. Learn how to mock APIs transparently so you can run evals without changing your skill or hitting real endpoints.
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Jun 4, 2026
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What's New in vcpkg (May 2026)

Augustin Popa
This release includes major library updates for Boost 1.91, Qt 6.11, and OpenCASCADE 8.0, along with 27 new ports and over 500 port updates.
C++ Team Blog
Jun 4, 2026
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Frameworks only matter when they force decisions

davidwright,
Arnaud,
Suzanne
Frameworks mean nothing, until they change what gets built! In this article we discuss how Git-Ape turns architecture and governance into delivery controls on Azure because, if frameworks do not shape delivery decisions, they are just decoration. Cloud teams do not have a...
All things Azure
Jun 4, 2026
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Aspire Multi-repo Rollout at Scale with Agentic AI

Jeff Liu
This is part 2 blog of the windows 365 integration journey with Aspire. This blog focus to show how Windows 365 scaled Aspire adoption with reliability patterns and an agentic AI rollout system across 50+ repos.
Aspire Blog
Jun 4, 2026
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Rotation revisited: Cycle decomposition in clang's libcxx

Raymond Chen
Rotating in the minimum number of steps by performing cycle decomposition.
The Old New Thing
Jun 4, 2026
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Accelerate Edge AI Development with Foundry Local

samkemp,
Emma,
Inbal
Why edge AI development is still hard  AI is no longer confined to cloud experiments. Developers are increasingly expected to deliver AI inside apps, devices, and edge systems where responsiveness, privacy, resilience, and local control are essential. But building those experiences for...
Microsoft Foundry Blog
Jun 4, 2026
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How we Decide Between Keyword and Hybrid Search: 5 Enterprise Evaluation Criteria

Beijie Zhang
A data-driven framework we use in enterprise deployments to decide between vector-only keyword and hybrid search, based on five measurable evaluation criteria.
ISE Developer Blog
Jun 3, 2026
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Visual Studio Code 1.123

Visual Studio Code Team
Learn what's new in Visual Studio Code 1.123 Read the full article
VS Code Blog
Jun 3, 2026
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Build 2026: From observability to ROI for AI agents on any framework 

Sebastian Kohlmeier
9 min read · June 3, 2026 · Sebastian Kohlmeier    Shipping an AI agent is the easy part. Keeping it accurate, safe, and accountable in production is where teams get stuck. Agents are non-deterministic. Their behavior shifts as models update, tools change, and traffic...
Microsoft Foundry Blog
Jun 3, 2026
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Go 1.26.4-1 and 1.25.11-1 Microsoft builds now available

Davis Goodin
A new release of the Microsoft build of Go including security fixes is now available for download.
Microsoft for Go Developers