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Highlights

In memory of the man who put red and green squiggles under words

Starting in Word and expanding to nearly every other word processor, and even things that aren't word processors.
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Stop overloading your skills

You built a skill for your technology. API references, authentication flows, SDK patterns, error handling, version info, all packed into one skill. The agent calls it, gets all that context, and generates code. The kicker? You've just wasted a lot of tokens. It already knows Models have...
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Apr 17, 2026
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Forgotten message from the past: LB_INIT­STORAGE

Raymond Chen
Preallocating memory to avoid quadratic behavior.
The Old New Thing
Apr 16, 2026
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Best of Both Worlds for Agentic Refactoring: GitHub Copilot + MicroVMs via Docker Sandbox

cindywang
Legacy codebases frequently contain hardcoded logic and complex build scripts that depend on specific filesystem structures, making them notoriously difficult to modernize in isolated environments. Docker Sandbox addresses this challenge through a bidirectional workspace sync that...
All things Azure
Apr 16, 2026
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What's New in Microsoft Foundry Fine-Tuning | April 2026

Blanca Li
April 2026 brings three major Reinforcement Fine-Tuning updates: Global Training for o4-mini with lower per-token rates across 12+ regions, new GPT-4.1 model graders for richer reward signals, and a comprehensive RFT best practices guide to help you ship specialized models faster.
Microsoft Foundry Blog
Apr 16, 2026
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Free Your Terminal with Detached Mode in Aspire 13.2

James Newton-King
Aspire 13.2 brings detached mode to the CLI. Run your AppHost in the background, free your terminal, and let coding agents start, inspect, and manage your app without blocking.
Aspire Blog
Apr 16, 2026
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From AI to .NET: 20 VS Live! Las Vegas Sessions You Can Watch Now

Jim Harrer
In March 2026, developers came together at VS Live! Las Vegas for a full week of technical learning, hands-on exploration, and a lot of great conversations about where software development is headed next. From AI-assisted development to modern .NET, cloud-native apps, and developer...
Visual Studio Blog
Apr 16, 2026
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What's up with window message 0x0091? We're getting it with unexpected parameters

Raymond Chen
Trespassing on system messages.
The Old New Thing
Apr 15, 2026
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Visual Studio Code 1.116

Visual Studio Code Team
Learn what's new in Visual Studio Code 1.116 Read the full article
VS Code Blog
Apr 15, 2026
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Azure MCP tools now ship built into Visual Studio 2022 — no extension required

Yun Jung Choi
Azure MCP tools now ship built into Visual Studio 2022 — no extension required Azure MCP tools are now built into Visual Studio 2022 as part of the Azure development workload — no separate extension to find, install, or update. You can enable over 230 tools across 45 Azure services...
Visual Studio Blog
Apr 15, 2026
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Pin Clustering in .NET MAUI Maps

David Ortinau
.NET MAUI 11 adds pin clustering to the Map control, automatically grouping nearby pins into cluster markers. Learn how to enable clustering, create separate clustering groups, and handle cluster taps on Android and iOS.
.NET Blog