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Highlights

Bridging Local Development and Cloud Evaluation: Using Microsoft Devtunnels with Azure Machine Learning

Learn how to streamline AI development by using Microsoft Devtunnels to connect local services with Azure Machine Learning evaluation pipelines, eliminating deployment delays while maintaining comprehensive cloud-based validation.
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Join Microsoft at NDC London 2026 - Let’s Build the Future of .NET Together

Meet the .NET team at NDC London 2026 to explore the latest in .NET 10, Azure, and AI-powered development through sessions and 1:1 meetups.
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Latest posts

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Jan 28, 2026
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SharePoint Framework (SPFx) roadmap update – January 2026

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Vesa Juvonen
SPFx is powering the future of Microsoft 365 with AI driven portals and deep integrations across SharePoint Teams and Viva. The January 2026 update shares new features and the roadmap for the next evolution built for the AI era. This is a transparent community driven journey that we shape together.
Microsoft 365 Developer Blog
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Jan 27, 2026
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GitHub Copilot app modernization for C++ is now in Public Preview

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Michael Price
With the launch of Visual Studio 2026, we announced a Private Preview of GitHub Copilot app modernization for C++, which reduces the cost of adopting the latest version of the MSVC Build Tools. We used the feedback we received from our many Private Preview participants to make...
C++ Team Blog
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Jan 27, 2026
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Visual Studio Code CMake Tools 1.22: Target bookmarks and better CTest output

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Sinem Akinci
We're excited to announce the latest 1.22 release of the CMake Tools extension for Visual Studio Code. This update brings a host of new additions, including project outline updates for filtering and bookmarking CMake targets in large CMake projects and expanded CTest support to customize...
C++ Team Blog
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Jan 27, 2026
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Build AI Agents with GitHub Copilot SDK and Microsoft Agent Framework

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Dmytro Struk
Microsoft Agent Framework now integrates with the GitHub Copilot SDK, enabling you to build AI agents powered by GitHub Copilot. This integration brings together the Agent Framework's consistent agent abstraction with GitHub Copilot's capabilities, including function calling, streaming...
Semantic Kernel
Summary of VS January updates
Jan 27, 2026
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Visual Studio January Update — Enhanced Editor Experience

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Simona Liao
Productivity Improvements This month, we are bringing you a series of small yet long requested and popular features to let you better control and customize your editor. Fast scrolling: Hold down the Alt key while scrolling the mouse wheel to move quickly when reviewing code or...
Visual Studio Blog
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Jan 27, 2026
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A digression on the design and implementation of Safe­Array­Add­Ref and extending APIs in general

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Raymond Chen
The concerns when adding a feature to an existing API.
The Old New Thing
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Jan 26, 2026
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Introducing Budget Bytes: Build Powerful AI Apps for Under $25

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Jasmine,
Pablo
When developers hear "cloud" and "AI," their first thought is often about cost. "How much will this cost me to learn? Can I build something meaningful without racking up a surprise bill?"   Budget Bytes is a new series is designed to inspire developers to build affordable,...
Azure SQL Devs’ Corner
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Jan 26, 2026
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Join Microsoft at NDC London 2026 - Let’s Build the Future of .NET Together

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.NET Team
Meet the .NET team at NDC London 2026 to explore the latest in .NET 10, Azure, and AI-powered development through sessions and 1:1 meetups.
.NET Blog
Evals for Agent Interop
Jan 26, 2026
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Introducing the Evals for Agent Interop starter kit

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Aadharsh Kannan
We’re launching Evals for Agent Interop, a starter evaluation kit that provides curated scenarios and representative data that emulate real digital work, and an evaluation harness that organizations can use to self-run their agents across Microsoft 365 surfaces.
Microsoft 365 Developer Blog
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Jan 26, 2026
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What's the difference between Safe­Array­Access­Data and Safe­Array­Add­Ref?

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Raymond Chen
Two ways of preserving the data.
The Old New Thing
Title slide for Azure Cosmos DB TV Episode 110 with a dark, space-themed background. Text reads “Supercharging AI Agents with the Azure Cosmos DB MCP Toolkit,” with “Azure Cosmos DB TV Episode 110” above it. A stylized Azure Cosmos DB planet logo appears on the left, and the presenters’ names, Mark Brown and Sajeetharan Sinnathurai, are shown at the bottom.
Jan 23, 2026
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Azure Cosmos DB TV Recap: Supercharging AI Agents with the Azure Cosmos DB MCP Toolkit (Ep. 110)

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Mark,
Sajeetharan,
Jay
In Episode 110 of Azure Cosmos DB TV, host Mark Brown is joined by Sajeetharan Sinnathurai to explore how the Azure Cosmos DB MCP Toolkit is changing the way developers build, deploy, and scale AI agents using real application data. As agentic AI systems evolve, one challenge continues...
Azure Cosmos DB Blog
Jan 23, 2026
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Bringing work context to your code in GitHub Copilot

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Kayla Cinnamon
This week we shipped the GitHub Copilot SDK which takes the agent loop from the Copilot CLI and makes it easy to embed in other applications. We’ve been using, improving, and extending Copilot CLI for the last few months and it’s sparked new ideas about what it means to have the right...
Microsoft for Developers
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Jan 23, 2026
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C++ has scope_exit for running code at scope exit. C# says "We have scope_exit at home."

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Raymond Chen
You can wrap it in an IDisposable.
The Old New Thing
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Jan 23, 2026
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Bridging Local Development and Cloud Evaluation: Using Microsoft Devtunnels with Azure Machine Learning

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Nasryn El-Hinnawi
Learn how to streamline AI development by using Microsoft Devtunnels to connect local services with Azure Machine Learning evaluation pipelines, eliminating deployment delays while maintaining comprehensive cloud-based validation.
ISE Developer Blog
Introducing the Azure Cosmos DB Agent Kit
Jan 22, 2026
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Introducing the Azure Cosmos DB Agent Kit: Your AI Pair Programmer Just Got Smarter

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Sajeetharan Sinnathurai
The Azure Cosmos DB Agent Kit is an open-source collection of skills that teaches your AI coding assistant (GitHub Copilot, Claude Code, Gemini CLI) expert-level Azure Cosmos DB best practices. Install with one command, get production-ready guidance instantly. The Challenge Every...
Azure Cosmos DB Blog
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Jan 22, 2026
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A simple helper function for attaching a progress handler to a Windows Runtime IAsync­Action­With­Progress or IAsync­Operation­With­Progress

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Raymond Chen
It doesn't do much, but it saves typing.
The Old New Thing
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Jan 21, 2026
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Now in Public Preview: GitHub Copilot build performance for Windows

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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
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Jan 21, 2026
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Context-Driven Development: Agent Skills for Microsoft Foundry and Azure

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Govind Kamtamneni
Code will be generated, not written. Working with 100+ companies, I have seen this firsthand: most enterprise workloads taking dependencies on AI SDKs are usually net-new microservices. Hardly anyone has Windows-scale codebases for their new AI features. This is modular, greenfield work....
All things Azure
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Jan 21, 2026
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On the proper usage of a custom Win32 dialog class

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Raymond Chen
You are replacing the window procedure, not the dialog procedure.
The Old New Thing
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Jan 20, 2026
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Introducing Azure Performance Diagnostics Tool for Java: Automated Java Performance Analysis in Kubernetes via Azure SRE Agent

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

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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
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Jan 20, 2026
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Go 1.25.6-1 and 1.24.12-1 Microsoft builds now available

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Davis Goodin
A new release of the Microsoft build of Go including security fixes is now available for download.
Microsoft for Go Developers
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Jan 20, 2026
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Microspeak: On fire, putting out fires

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Raymond Chen
Dealing with emergencies.
The Old New Thing
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Jan 20, 2026
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PowerToys 0.97 is here: a big Command Palette update and a new mouse utility

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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
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Jan 19, 2026
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Azure Boards additional field filters (private preview)

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Dan Hellem
We’re introducing a limited private preview that allows you to add additional fields as filters on backlog and Kanban boards. This long-requested feature helps teams tailor their views, focus on the work that matters most, and provide feedback as we iterate toward general availability.
Azure DevOps Blog
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Jan 19, 2026
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What was the secret sauce that allows for a faster restart of Windows 95 if you hold the shift key?

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Raymond Chen
An old flag from 16-bit Windows.
The Old New Thing
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Jan 18, 2026
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🚀React Native Windows v0.81 is here!!

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Ramya Oruganti
App developers require performance, stability, and cross-platform consistency such as fast startups, smooth UI, and seamless code sharing across Windows, Android, and iOS as these factors directly impact user experience, development efficiency, and business outcomes. High performance and...
React Native