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What's new with Azure Repos?
We thought it was a good time to check in and highlight some of the work happening in Azure Repos. In this post, we’ve covered several recent improvements, along with a preview of features that are coming soon. To stay up to date, be sure to visit the Azure DevOps Roadmap.
These...
Read moreClick to read more about this postAzure Cosmos DB Conf 2026 — Call for Proposals Is Now Open
Every production system has a story behind it.
The scaling limit you didn’t expect.
The data model that finally clicked.
The tradeoff you had to make under real-world pressure.
The solution that worked—and the lessons you’d pass on to the next team.
Azure Cosmos DB Conf...
Read moreClick to read more about this postLatest posts

Jan 20, 2026
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Introducing Azure Performance Diagnostics Tool for Java: Automated Java Performance Analysis in Kubernetes via Azure SRE Agent
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

Jan 20, 2026
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PIX 2601.15 - new Intel plugin, many buffer viewer improvements, and more

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

Jan 20, 2026
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Go 1.25.6-1 and 1.24.12-1 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

Jan 20, 2026
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Microspeak: On fire, putting out fires

Dealing with emergencies.
The Old New Thing

Jan 20, 2026
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PowerToys 0.97 is here: a big Command Palette update and a new mouse utility

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

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

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

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?

An old flag from 16-bit Windows.
The Old New Thing

Jan 18, 2026
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🚀React Native Windows v0.81 is here!!

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

Jan 16, 2026
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What's new with Azure Repos?

We thought it was a good time to check in and highlight some of the work happening in Azure Repos. In this post, we’ve covered several recent improvements, along with a preview of features that are coming soon. To stay up to date, be sure to visit the Azure DevOps Roadmap.
These...
Azure DevOps Blog

Jan 16, 2026
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How can I get the tab index number from a dialog box control?

The tab index number is an authoring concept, not a runtime concept.
The Old New Thing

Jan 16, 2026
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Part 1: Building Your First Serverless HTTP API on Azure with Azure Functions & FastAPI

Introduction
This post is Part 1 of the series Serverless Application Development with Azure Functions and Azure Cosmos DB, where we explore how to build end-to-end serverless applications using Azure Functions for compute and Azure Cosmos DB for storage. Together, these services...
Azure Cosmos DB Blog

Jan 16, 2026
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Evaluate Small Language Model Function Calling using the Azure AI Evaluation SDK
This blog details how the Azure AI Evaluation SDK can be used to assess the performance of a small language model for function calling, such as Phi-4-mini-instruct, and view the results in Microsoft Foundry.
ISE Developer Blog

Jan 15, 2026
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Announcing GPT-5.2 Availability in Azure for U.S. Government Secret and Top Secret Clouds

Today, we are excited to announce that GPT-5.2, Azure OpenAI’s newest frontier reasoning model, is available in Microsoft Azure for U.S. Government Secret and Top Secret cloud environments. This release marks another significant milestone in our mission to bring cutting edge AI...
Azure Government

Jan 15, 2026
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When programs assume that the system will never change, episode 4: Stealing strings

The strings are an implementation detail.
The Old New Thing

Jan 15, 2026
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Announcing Microsoft Entra PowerShell v1.2.0
We are excited to introduce Microsoft Entra PowerShell v1.2.0, a major update that delivers full support for Agent Identity Blueprints, expanded application configuration capabilities, and modernized invitation APIs aligned with Microsoft Graph models. This release consolidates...
Microsoft Entra PowerShell

Jan 15, 2026
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Copilot Memories

Are you wasting time reviewing code for nits on code standards, project preferences, or important contribution guidelines? We know the pain. It’s all too easy for best practices and those tiny but critical team details to slip through the cracks, resulting in inconsistencies,...
Visual Studio Blog

Jan 15, 2026
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Azure Cosmos DB Conf 2026 — Call for Proposals Is Now Open

Every production system has a story behind it.
The scaling limit you didn’t expect.
The data model that finally clicked.
The tradeoff you had to make under real-world pressure.
The solution that worked—and the lessons you’d pass on to the next team.
Azure Cosmos DB Conf...
Azure Cosmos DB Blog

Jan 15, 2026
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Building docfind: Fast Client-Side Search with Rust and WebAssembly

How we built docfind, a high-performance client-side search engine using Rust and WebAssembly, and how GitHub Copilot accelerated development.
Read the full article
VS Code Blog

Jan 14, 2026
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Announcing Agent Academy: Operative

Earlier this year, we launched Agent Academy: Recruit, a foundational learning path designed to help makers and developers get started with building agents in Copilot Studio. The response exceeded our expectations.
Since launch, thousands of learners have worked through the Recruit...
Power Platform Developer Blog
Jan 14, 2026
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Copilot Studio Extension for Visual Studio Code Is Now Generally Available
Daniel,
Sarah
If you build agents with the Copilot Studio extension for Visual Studio Code, you already know the fastest way to iterate is to treat your agent like software: version it, review changes, and promote it through environments with confidence. Today, the Microsoft Copilot Studio extension...
Microsoft 365 Developer Blog

Jan 14, 2026
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Adding Aspire to a Python RAG Application

This blog post documents the transformation of the azure-search-openai-demo (a Python/TypeScript RAG application) through the addition of Aspire for local development and observability. It demonstrates how Aspire can enhance polyglot applications without requiring rewrites.
Aspire Blog

Jan 14, 2026
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Clipping the focus item when looking for its on-screen location, part 3

Finding all the clipping parents.
The Old New Thing

Jan 13, 2026
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.NET and .NET Framework January 2026 servicing releases updates
Rahul,
Tara
A recap of the latest servicing updates for .NET and .NET Framework for January 2026.
.NET Blog

Jan 13, 2026
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Clipping the focus item when looking for its on-screen location, part 2

Finding the correct clipping parent.
The Old New Thing

Jan 13, 2026
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Powering Real-Time Gaming Experiences with Azure Cosmos DB for NoSQL

Scenario: When Every Millisecond Counts in Gaming
Imagine millions of players logging in at the exact moment a new game season launches. Leaderboards light up, achievements tally, and in-game shops buzz with transactions. In these high-stakes moments, speed and reliability aren’t...
Azure Cosmos DB Blog

Jan 12, 2026
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How to Build Android Widgets with .NET MAUI

Build interactive Android widgets with .NET MAUI using RemoteViews, intents, and shared data.
.NET Blog

Jan 12, 2026
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How We Synchronize .NET's Virtual Monorepo

A deep dive into the technical challenges of keeping .NET's product repositories synchronized with our Virtual Monolithic Repository using a custom two-way algorithm.
.NET Blog