Microsoft
Developer Blogs

Get the latest information, insights, and news from Microsoft.

Highlights

MicrosoftTeams image image

When Infrastructure Scales But Understanding Doesn't

We all know this, even if we don't like to admit it: modern infrastructure can scale infinitely, but human understanding doesn't. We've all seen it happen - organizations going from managing dozens of servers to thousands of containers, from deploying weekly to deploying hundreds of...
Read moreClick to read more about this post

Authentication Tokens Are Not a Data Contract

Authentication tokens exist to answer one question: is this caller authorized to do this? They are not intended to be a stable data interface, a schema you can depend on, or an input into application logic. If your application decodes tokens and reads claims from them, this is an...
Read moreClick to read more about this post

Latest posts

banner oldnewthing blue image
Jan 22, 2026
Post comments count6
Post likes count3

A simple helper function for attaching a progress handler to a Windows Runtime IAsync­Action­With­Progress or IAsync­Operation­With­Progress

Author Avatar
Raymond Chen
It doesn't do much, but it saves typing.
The Old New Thing
context menu entry Build > Run Build Insights > Improve build performance
Jan 21, 2026
Post comments count0
Post likes count1

Now in Public Preview: GitHub Copilot build performance for Windows

Author Avatar
David Li
Last year, we launched our new GitHub Copilot build performance capabilities in Private Preview. With help from our fantastic C++ community, we gathered insights and addressed key feedback. We’re happy to share that GitHub Copilot build performance for Windows is now in Public Preview....
C++ Team Blog
agent skills image image
Jan 21, 2026
Post comments count0
Post likes count6

Context-Driven Development: Agent Skills for Microsoft Foundry and Azure

Author Avatar
Govind Kamtamneni
Code will be generated, not written. Most enterprise AI workloads are net-new microservices. Modular, greenfield work. Perfect for coding agents. The catch? Out-of-the-box agents lack domain knowledge about your SDKs and patterns. But frontier LLMs are extraordinarily sample efficient....
All things Azure
banner oldnewthing blue image
Jan 21, 2026
Post comments count2
Post likes count2

On the proper usage of a custom Win32 dialog class

Author Avatar
Raymond Chen
You are replacing the window procedure, not the dialog procedure.
The Old New Thing
Microsoft for Java Developers Feature Image
Jan 20, 2026
Post comments count0
Post likes count3

Introducing Azure Performance Diagnostics Tool for Java: Automated Java Performance Analysis in Kubernetes via Azure SRE Agent

Author Avatar
John Oliver
We're excited to announce that the Azure Performance Diagnostics Tool for Java is now available for preview as part of the Azure SRE Agent platform, bringing intelligent, automated Java performance diagnoses. Currently supporting Java workloads deployed to Azure Kubernetes Service (AKS)...
Microsoft for Java Developers
PIX on Windows
Jan 20, 2026
Post comments count0
Post likes count1

PIX 2601.15 - new Intel plugin, many buffer viewer improvements, and more

Author Avatar
Austin Kinross
Today we released PIX version 2601.15, which can be downloaded here. This release includes everything in the previous 2509.25 release, plus: A new Intel plugin with many new features and improvements Many new Buffer Viewer and Buffer Formatter improvements Misc other bug fixes...
PIX on Windows
MSFT BANNER CONF42GOLANG2022 image
Jan 20, 2026
Post comments count0
Post likes count0

Go 1.25.6-1 and 1.24.12-1 Microsoft builds now available

Author Avatar
Davis Goodin
A new release of the Microsoft build of Go including security fixes is now available for download.
Microsoft for Go Developers
banner oldnewthing blue image
Jan 20, 2026
Post comments count5
Post likes count2

Microspeak: On fire, putting out fires

Author Avatar
Raymond Chen
Dealing with emergencies.
The Old New Thing
Image with screenshots of Command Palette and a 'Announcing PowerToys 0.97' text label
Jan 20, 2026
Post comments count3
Post likes count1

PowerToys 0.97 is here: a big Command Palette update and a new mouse utility

Author Avatar
Niels Laute
PowerToys 0.97 is here! This release packs in a ton of improvements to Command Palette, introduces a brand-new mouse utility called CursorWrap, expands CLI support across several utilities, and includes plenty of other refinements. Get the update by checking for updates in PowerToys or...
Windows Command Line