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Intro to Aspire

Upgrading C++ Projects to Visual Studio 2026

With Visual Studio 2026 version 18.0 getting closer to General Availability (GA), we want to share with you how you can upgrade your projects from your current versions of Visual Studio and the Microsoft C++ (MSVC) Build Tools to the latest versions. The new IDE ships with the v145...
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Join us at .NET Conf: Dive into the future of development with Visual Studio 2026

We're thrilled to invite you to one of the most exciting events in the .NET ecosystem: .NET Conf. It runs from November 11th through the 13th and you’re invited! This annual virtual conference is a must-attend for developers, architects, and enthusiasts looking to level up their...
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Jun 26, 2025
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Dev Proxy v0.29 with refactored architecture, MCP server, and exposed LM prompts

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Waldek,
Garry
Introducing Dev Proxy v0.29, with a major architectural overhaul, control over language model prompts, and improved diagnostics.
Microsoft 365 Developer Blog
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Jun 26, 2025
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Fleet Configuration Management

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Cameron Taylor
This post explains the challenge of fleet configuration management, the role of an automated fleet configuration management system, and describes key considerations for building such a system.
ISE Developer Blog
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Jun 25, 2025
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Better Models, Smarter Defaults: Claude Sonnet 4, GPT-4.1, and More Control in Visual Studio

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Rhea,
Jui
We’re excited to share some major improvements to the Copilot experience in Visual Studio, including smarter default models, more choices, and easier ways to manage your usage. Smarter default model Copilot in Visual Studio now uses GPT-4.1 as the default model (previously 4o). In our...
Visual Studio Blog
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Jun 25, 2025
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Removing Azure Resource Manager reliance on Azure DevOps sign-ins

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Angel Wong
Azure DevOps will no longer depend on the Azure Resource Manager (ARM) resource (https://management.azure.com) when you sign in or refresh Microsoft Entra access tokens. Previously, Azure DevOps required the ARM audience during sign-in and token refresh flows. This requirement meant...
Azure DevOps Blog
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Jun 25, 2025
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Why do I get errors about some weird symbol called ?main@@YAHP$01E$AAV?$Array@PE$AAVString@Platform..., part 1

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Raymond Chen
Welcome to the world of C++/CX. Is "welcome" the right word?
The Old New Thing
Vector Data Extensions are now Generally Available
Jun 24, 2025
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Semantic Kernel Python Gets a Major Vector Store Upgrade

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Eduard van Valkenburg
We're excited to announce a significant update to Semantic Kernel Python's vector store implementation. Version 1.34 brings a complete overhaul that makes working with vector data simpler, more intuitive, and more powerful. This update consolidates the API, improves developer experience,...
Semantic Kernel
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Jun 24, 2025
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Abusing copyright strings to trick software into thinking it's running on your competitor's PC

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Raymond Chen
I did technically cross my fingers.
The Old New Thing
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Jun 23, 2025
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🎉 Now in Public Preview: Create Dev Boxes on Behalf of Your Developers 

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varshaiyer
We’re excited to announce that one of our most-requested features is officially in Public Preview: You can now create Dev Boxes on behalf of your developers. Waiting around to get started is a thing of the past.  Whether you're onboarding a new hire, running a hackathon, or...
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