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Agent Harness: Scaling the claw or harness capabilities

Part 3 of Build your own claw and harness with Microsoft Agent Framework. In Part 2 our personal finance assistant learned to work with your data safely: it reads your portfolio, asks before it trades, and remembers what matters across sessions. It's useful - but everything it knows is...
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Don't rewrite your CLI for agents

There's advice making the rounds: replace your CLI args with a single --json payload so agents can use your tool more effectively. The thinking being, that agents already think in structured formats, and nested data maps cleanly to JSON. Flat args on the other hand, force awkward...
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Jun 30, 2026
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SharePoint Framework (SPFx) roadmap update – July 2026

Vesa Juvonen
June celebrates the announcement of upcoming SharePoint Copilot Apps, ships the quality-focused SPFx 1.23.2 release, and shares the roadmap for the AI era - shaped by your feedback.
Microsoft 365 Developer Blog
Jun 30, 2026
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Compose your API surface with Data API builder custom paths

Jerry Nixon
Data API builder (DAB) 2.0 adds compound paths for REST endpoints, giving developers more control over how their API surface is organized. Instead of mirroring database topology, endpoints can now reflect simple names, business areas, or schema ownership.
Azure SQL Dev Corner
Jun 30, 2026
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MCP Beyond the Chat Window: Build Diagnostics in CI

Jan,
Yuliia
A practical tour of the Model Context Protocol tools for .NET build diagnostics - the full Binlog MCP toolset, how those tools run inside a GitHub Actions workflow, and what the evaluation data says about the efficiency gains.
.NET Blog
Jun 30, 2026
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Visual Studio June Update - Track Your Usage, Trust Your Tools

Mark Downie
The June update includes a Copilot Usage window refresh with proactive alerts as you approach your limits, MCP servers now get a trust check before they run anything new.
Visual Studio Blog
Jun 30, 2026
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MSIX Per-User vs All Users: Install, Provision, and Uninstall Packages

Howard Kapustein
MSIX supports making a package available to all users; the formal term is provisioning. Provisioning a package family makes it available to all users, whereas registration makes a package available to a single user. Per-User vs All Users Traditional installers often provide a...
Inside MSIX
Jun 30, 2026
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Mailbox requirement set 1.16 now available for Outlook add-ins

Office Extensibility team
Mailbox requirement set 1.16 is now generally available for Outlook add-ins. This release reflects our continued investment in closing the gap between COM/VSTO and web add-ins, with a focus on message and information security. Mailbox 1.16 introduces APIs and platform updates that...
Microsoft 365 Developer Blog
Jun 30, 2026
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2026 mid-year link clearance

Raymond Chen
Made it to another midpoint.
The Old New Thing
Jun 30, 2026
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A compatibility note on the abuse of Windows window class extra bytes

Raymond Chen
Finding an illicit place to hide data.
The Old New Thing
Jun 30, 2026
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🚀React Native Windows v0.84 is here!!

Vineeth,
Vivek,
Sourav
We're excited to release React Native Windows 0.84.0, aligned with React Native 0.84.1. React Native Windows v0.84 delivers input-handling improvements such as standard click events and imperative focus, theme-aware defaults and robust hit-testing semantics. 🔥 What's New in RNW...
React Native