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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 15, 2026
Post comments count22
Post likes count7

Make Visual Studio look the way you want

Mads Kristensen
Themes are personal. Some of us live in dark mode, some swear by high contrast, and some of us have very strong opinions about that one shade of blue from years ago. The new themes in Visual Studio 2026 are built on Fluent, which gives us a much more consistent and accessible foundation,...
Visual Studio Blog
Jun 15, 2026
Post comments count28
Post likes count13

The time the x86 emulator team found code so bad that they fixed it during emulation

Raymond Chen
Offensive content in the eyes of a software engineer.
The Old New Thing
Jun 12, 2026
Post comments count0
Post likes count1

GitHub Copilot modernization for C++ is out of preview

Michael Price
GitHub Copilot modernization for C++ is out of preview as of Visual Studio 2026, helping you upgrade your MSVC Build Tools with an AI-guided workflow.
C++ Team Blog
Jun 12, 2026
Post comments count8
Post likes count3

How can I schedule work on a thread pool with low latency?

Raymond Chen
The thread pool is designed for throughput, not latency.
The Old New Thing
Jun 12, 2026
Post likes count3

Orchestration Patterns for Multi-Agent Systems: Performance and Trade-offs

Lily Jia
Real-world lessons from evolving a production chatbot into a coordinator-based multi-agent architecture, including performance trade-offs for enterprise-scale agent reuse.
ISE Developer Blog
Jun 11, 2026
Post comments count0
Post likes count4

MSVC Build Tools Preview updates - June 2026

Eric Brumer
Try the latest updates to MSVC Build Tools Preview
C++ Team Blog
Jun 11, 2026
Post comments count2
Post likes count1

June Patches for Azure DevOps Server

Gloridel Morales
We are releasing new patches for our self‑hosted product, Azure DevOps Server. We strongly recommend that all customers stay up to date with the latest, most secure version of Azure DevOps Server. The most recent release, Azure DevOps Server, is available on the download page. The...
Azure DevOps Blog
Jun 11, 2026
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Post likes count0

Migrating EWS notifications to Microsoft Graph

Microsoft Graph team
Migrating from the Exchange Web Services (EWS) notification framework, which supports push, pull, and streaming notification types — to the Microsoft Graph subscription model represents a fundamental transition toward a unified, stateless, and event-driven framework.
Microsoft 365 Developer Blog
Jun 11, 2026
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Your agent just scaffolded a project from 2020

Waldek Mastykarz
Your agent ran a scaffold command. Project generated, dependencies resolved, no errors. Everything looks fine. Except it's based on the project structure from 2020, and neither you nor the agent noticed. How npx picks the right-but-wrong version When an agent scaffolds a project or runs...
Microsoft for Developers