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Better Models, Smarter Defaults: Claude Sonnet 4, GPT-4.1, and More Control in Visual Studio
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...
Read more🎉 Now in Public Preview: Create Dev Boxes on Behalf of Your Developers
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...
Read moreInside Access: Join Us at VS Live! Redmond for a Week of Deep Developer Learning
A long time ago, I stood in a packed room at VS Live! and watched developers erupt in applause after a debugging demo shaved hours off a real-world problem. That was the moment I realized this wasn’t just a conference—it was a place where developers and toolmakers come together to...
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Jun 23, 2025
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🎉 Now in Public Preview: Create Dev Boxes on Behalf of Your Developers
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...
Develop from the cloud
Jun 23, 2025
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Deprecation of MS-APP-ACTS-AS header in Shifts Management Microsoft Graph APIs
In app-only access scenarios, Shifts Management Graph APIs previously required the MS-APP-ACTS-AS: userId header to indicate the user on whose behalf the application was acting. However, this conflicted with the Microsoft Graph permission model where there is no signed-in user for...
Microsoft 365 Developer Blog
Jun 23, 2025
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Inside Access: Join Us at VS Live! Redmond for a Week of Deep Developer Learning
A long time ago, I stood in a packed room at VS Live! and watched developers erupt in applause after a debugging demo shaved hours off a real-world problem. That was the moment I realized this wasn’t just a conference—it was a place where developers and toolmakers come together to...
Visual Studio Blog
Jun 23, 2025
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The MIDL compiler still has trouble with double greater-than signs, sadly
Many have tried.
The Old New Thing
Jun 20, 2025
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💻 Spring Cleaning for Dev Boxes: Mastering Manual & Automatic Offboarding
Let’s face it. Sometimes your Dev Box just… hangs around too long. Whether you’ve moved to a new project, left the company, want to create a new dev box with the latest tools, it's time to clean things up. 🎯
With Dev Box Auto-Deletion now in public preview, offboarding just...
Develop from the cloud
Jun 20, 2025
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codex-mini: Fast, Scalable Code Generation for the CLI Era
Ananya,
Anthony,
Govind
We’re announcing the general availability of Azure OpenAI’s codex-mini in Azure AI Foundry Models.
codex-mini is a fine-tuned version of the o4-mini model, designed to deliver rapid, instruction-following performance for developers working in CLI workflows....
Azure AI Foundry Blog
Jun 20, 2025
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o-series Updates: New o3 pricing and o3-pro in Azure AI Foundry
Sanjeev,
Anthony
Learn about o3-pro, the latest Azure OpenAI reasoning model available in Azure AI Foundry. Get access and start building your applications.
Azure AI Foundry Blog
Jun 20, 2025
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The case of the invalid handle error when a handle is closed while a thread is waiting on it
You are theorizing one race but experiencing another.
The Old New Thing
Jun 19, 2025
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Announcing General Availability of GitHub Copilot for Azure—Now with Agent Mode
Unlocking a New DevOps Era
GitHub Copilot for Azure was first introduced at Ignite 2024 as a public preview, empowering developers, IT operators, and DevOps practitioners to leverage natural language to provision, configure, and manage resources within their own Azure...
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