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Highlights
Awesome GitHub Copilot just got a website, and a learning hub, and plugins!
Back in July, we launched the Awesome GitHub Copilot Customizations repo with a simple goal: give the community a place to share custom instructions, prompts, and chat modes to customize the AI responses from GitHub Copilot. We were hoping for maybe one community contribution per...
Read moreClick to read more about this postWhen Infrastructure Scales But Understanding Doesn't
We all know this, even if we don't like to admit it: modern infrastructure can scale infinitely, but human understanding doesn't.
We've all seen it happen - organizations going from managing dozens of servers to thousands of containers, from deploying weekly to deploying hundreds of...
Read moreClick to read more about this postAuthentication Tokens Are Not a Data Contract
Authentication tokens exist to answer one question: is this caller authorized to do this?
They are not intended to be a stable data interface, a schema you can depend on, or an input into application logic.
If your application decodes tokens and reads claims from them, this is an...
Read moreClick to read more about this postLatest posts
Nov 20, 2025
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Microsoft 365 Copilot APIs: What’s New and What’s Next
Daniel,
Zakiullah,
Tolga
At Build 2025, we introduced the Microsoft 365 Copilot APIs to help developers bring grounded AI into their solutions without rebuilding indexes or compromising security. The response has been encouraging, and your feedback continues to guide the direction of the...
Microsoft 365 Developer Blog
Nov 20, 2025
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From Complexity to Simplicity: Intelligent JVM Optimizations on Azure
Introduction
As cloud-native architectures scale across thousands of containers and virtual machines, Java performance tuning has become more distributed, complex, and error-prone than ever. As highlighted in our public preview announcement, traditional JVM optimization relied on expert,...
Microsoft for Java Developers
Nov 20, 2025
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Announcing the Public Preview of Azure Command Launcher for Java
Today we are announcing the Public Preview of the Azure Command Launcher for Java, a new tool that helps developers, SREs, and infrastructure teams standardize and automate JVM configuration on Azure. The goal is to simplify tuning practices and reduce resource waste across Java...
Microsoft for Java Developers
Nov 20, 2025
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Foundry Local comes to Android—plus on-device speech, on-prem support, and a simpler SDK
Today, we’re introducing a powerful new way to bring AI directly to your mobile apps: Foundry Local on Android. Starting now, you can build Android applications that run AI on-device—no cloud round trips required. Sign up for the gated preview here:...
Microsoft Foundry Blog
Nov 20, 2025
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Announcing: Dynamic Data Masking for Azure Cosmos DB (Preview)
Today marks a big step forward with the public preview of Dynamic Data Masking (DDM) for Azure Cosmos DB. This feature helps organizations protect sensitive data without requiring changes to application logic or database interactions.
What is Dynamic Data Masking?
Dynamic Data Masking...
Azure Cosmos DB Blog
Nov 20, 2025
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Use Azure SRE Agent with Azure Cosmos DB: Smarter Diagnostics for Your Applications
We’re excited to announce the Azure Cosmos DB SRE Agent built on Azure SRE Agent; a new capability designed to simplify troubleshooting and improve reliability for your applications running on Azure Cosmos DB.
Some key features of Azure Cosmos DB SRE Agent are:
Sub-Agent...
Azure Cosmos DB Blog
Nov 20, 2025
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Announcing Private Preview: Safe Account Key rotation using Account Key Usage Metadata
Account Key Usage Metadata is a new security and observability feature that helps Azure Cosmos DB customers avoid service disruptions during key rotations. It provides visibility when each account key was last used, allowing teams to make informed decisions before rotating or migrating to...
Azure Cosmos DB Blog