Microsoft
Developer Blogs

Get the latest information, insights, and news from Microsoft.

Highlights

Your Entire Engineering Floor Just Stopped Coding

And the developers running Claude Code and GitHub Copilot CLI didn't notice... Status Page Says 'Operational.' Your Subagents Say Otherwise. If you're running autonomous agents in any serious capacity, you've experienced this: model provider outages aren't edge cases —...
Read moreClick to read more about this post

Breaking Change Ahead: Graph API Updates to Sensitive Email Properties

On 12/31/2026, we will begin restricting updates to sensitive properties on non-draft email messages (including subject, body, and recipients). Apps will need Mail-Advanced.ReadWrite (or .All / .Shared) with admin consent to continue modifying these fields. Review your current usage and update permissions now to avoid unexpected failures.
Read moreClick to read more about this post

Latest posts

JavaScript AI Build-a-thon
Mar 2, 2026
Post comments count0
Post likes count1

The JavaScript AI Build-a-thon Season 2 starts today!

Author Avatar
Julia Muiruri
The JavaScript AI Build‑a‑thon Season 2 starts today! Join a free, four‑week, hands‑on program—from Local AI and RAG pipelines to multi‑agent hackathon—designed specifically for JavaScript/TypeScript developers.
Microsoft for Developers
Image Windows placeholder
Mar 2, 2026
Post comments count0
Post likes count2

Windows App Development CLI v0.2: .NET support, manifest placeholders, "winapp store" and more!

Author Avatar
Nikola Metulev
Windows App Development CLI v0.2 is here! This release is driven largely by community feedback and packs in native .NET project support, manifest placeholders that eliminate hardcoded executable names, Microsoft Store Developer CLI integration, a revamped help experience, and more....
#ifdef Windows
GitHub Copilot DevDays
Mar 2, 2026
Post comments count0
Post likes count0

GitHub Copilot Dev Days: Build faster with GitHub Copilot CLI, in VS Code & Visual Studio, and beyond!

Author Avatar
Katie Savage
Modern software development is moving fast—and AI is now a practical part of how Microsoft developers design, build, and ship applications every day. From writing code in Visual Studio and VS Code, to building cloud-native apps on Azure, developers are looking for ways to stay...
Microsoft for Developers
Image titled 'Agent Skills' showing three interconnected components: a 'Reference' book icon with gears, a 'skill.md' markdown file icon with a pencil, and a 'Scripts' cloud icon with a lightning bolt and coding symbol.
Mar 2, 2026
Post comments count2
Post likes count4

Give Your Agents Domain Expertise with Agent Skills in Microsoft Agent Framework

Author Avatar
Sergey Menshykh
You can now equip your Microsoft Agent Framework agents with portable, reusable skill packages that provide domain expertise on demand — without changing a single line of your agent's core instructions. With built-in skills providers for both .NET and Python, your agents can discover...
Microsoft Agent Framework
team calendar extension
Feb 27, 2026
Post comments count0
Post likes count1

Updates to Team Calendar extension

Author Avatar
Dan Hellem
We are excited to release a new update to the Team Calendar extension. This update includes a series of visual refinements across the extension, introducing a more consistent design language, smoother transitions when expanding and collapsing sections, improved contrast for better...
Azure DevOps Blog
banner oldnewthing blue image
Feb 27, 2026
Post comments count3
Post likes count2

Intercepting messages inside Is­Dialog­Message, fine-tuning the message filter

Author Avatar
Raymond Chen
Making sure it triggers when you need it, and not when you don't.
The Old New Thing
JConf Europe Promo image
Feb 27, 2026
Post comments count0
Post likes count0

JCON Europe 2026: Java Modernization, Performance, and AI

Author AvatarAuthor Avatar
Bruno,
Sandra
Java is the backbone of enterprise software engineering, and the conversations happening around it right now are the most exciting they've been in years. From AI-assisted development workflows to Kubernetes performance tuning, the community is moving fast - and JCON Europe 2026 is one of...
Microsoft for Java Developers
Blue graphic featuring the text “Azure DocumentDB: A Fully Managed MongoDB-Compatible Database” alongside a stylized database icon with code brackets.
Feb 26, 2026
Post comments count1
Post likes count3

Azure DocumentDB: A Fully Managed MongoDB-Compatible Database

Author Avatar
Khelan Modi
Running MongoDB at scale eventually forces a trade-off: invest heavily in managing your own infrastructure or move to a managed service and risk losing the compatibility and portability your team depends on.  Azure DocumentDB is a fully managed, MongoDB-compatible database on...
Azure Cosmos DB Blog