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Ask Mode vs Agent Mode - Choosing the Right Copilot Experience for .NET
GitHub Copilot Chat offers two powerful modes, Ask Mode and Agent Mode, that can dramatically accelerate your development. Learn when to use each mode to get the most out of this tool.
Read moreBuild Smarter with the Microsoft 365 Agents Toolkit MCP Server
As AI agents become central to how we build and interact with modern productivity apps, developers need tools that are flexible, standard-based, and deeply integrated with AI. That’s where the Microsoft 365 Agents Toolkit MCP Server comes in.
This is a local Model Context...
Read moreAzure Developer CLI: From Dev to Prod with One Click
This post walks through how to implement a "build once, deploy everywhere" pattern using Azure Developer CLI (azd) that provisions environment-specific infrastructure and promotes applications from dev to prod with the same build artifacts. You'll learn how to use conditional Bicep...
Read moreLatest posts
May 7, 2025
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Why we built our startup in C#
Tracebit built their B2B SaaS security product using C#.
.NET Blog
May 7, 2025
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Go 1.24.3-1 and 1.23.9-1 Microsoft builds now available
A new release of the Microsoft build of Go including security fixes is now available for download.
Microsoft for Go Developers
May 7, 2025
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Azure Cosmos DB with DiskANN Part 4: Stable Vector Search Recall with Streaming Data
James,
Revti,
Nitish
Vector search with Azure Cosmos DB
In Part 1 and Part 2 of this series, we explored vector search with Azure Cosmos DB and best practices for scaling it to 1 billion vector datasets while maintaining low query latency. In Part 3, we saw how we can create efficient sharded DiskANN...
Azure Cosmos DB Blog
May 7, 2025
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General Availability for Data API in vCore-based Azure Cosmos DB for MongoDB
William,
Sajeetharan
Title: General Availability for Data API in vCore-based Azure Cosmos DB for MongoDB
We’re excited to announce the general availability of the Data API for vCore-based Azure Cosmos DB for MongoDB!
Overview
The Data API is a RESTful HTTPS interface that enables developers to...
Azure Cosmos DB Blog
May 7, 2025
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What were the MS-DOS programs that the moricons.dll icons were intended for?
Tallying them up.
The Old New Thing
May 6, 2025
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Introducing Budget Profiles in Timing Captures
The 2505.09 release of PIX on Windows introduces the concept of Budget Profiles in Timing captures. A Budget Profile is a grouping of budgets defined for their respective metrics. A common use of Budget Profiles is to define the performance targets, or profiles, for different hardware...
PIX on Windows
May 6, 2025
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Changes to PIX Events with a D3D context parameter
Prior to the 2505.09 release of PIX on Windows, calls to PIXBeginEvent and PIXEndEvent that include a Direct3D context were required to be called from the same CPU thread. Starting with the 2505.09 release, PIXBeginEvent and PIXEndEvent calls that include a context (referred to as PIX...
PIX on Windows
May 6, 2025
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C++ Language Updates in MSVC in Visual Studio 2022 17.14
Introduction
In this update, we continue the tradition of bucketing bugs into helpful categories for you all to filter through along with even more notes from the compiler team as to what, exactly, was fixed. This blog is also complemented by the recent Pure Virtual C++ pre-conference...
C++ Team Blog
May 6, 2025
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Nested App Authentication: Now generally available across Microsoft 365
Get started with Nested App Authentication, a modern protocol for simplifying authentication for Personal Tab Teams apps that run across Microsoft 365.
Microsoft 365 Developer Blog