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Not all model upgrades are upgrades

A new model drops with lower per-token pricing and better benchmarks. You switch. A week later someone asks why the agent is burning 12x more tokens on the same task while producing worse output. We ran 150 agent tasks across 15 scenarios on two models, Claude Sonnet 4.6 and Claude...
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Jul 3, 2026
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How did we conclude that CcNamespace.dll was the ringleader of a group of DLLs that unloaded prematurely?

Raymond Chen
Contextual clues.
The Old New Thing
Jul 3, 2026
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Enabling MLflow OpenAI Autolog on PySpark Workers

Jaya Kumar
When distributing LLM calls across PySpark workers via mapInPandas, MLflow autolog silently fails. Here is how to fix it.
ISE Developer Blog
Jul 2, 2026
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Pure Virtual C++ 2026 Talks Announced

Marian Luparu
The featured talks for Pure Virtual C++ 2026 are here! Join us on July 21 for a free, one-day virtual conference for the whole C++ community.
C++ Team Blog
Jul 2, 2026
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The case of the thread executing from an unloaded third-party DLL

Raymond Chen
Oops, I didn't realize that I was still doing that.
The Old New Thing
Jul 2, 2026
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Fundamentals of Azure DevOps with SQL projects

Drew Skwiers-Koballa
Building automated pipelines with your SQL database projects enables you to build a rich CI/CD ecosystem to ensure that your application is being deployed with good quality code and at high confidence of success. SQL Database Projects are compatible with just about every automation...
Azure SQL Dev Corner
Jul 1, 2026
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Visual Studio Code 1.128 (Insiders)

Visual Studio Code Team
Learn what's new in Visual Studio Code 1.128 (Insiders) Read the full article
VS Code Blog
Jul 1, 2026
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Visual Studio Code 1.127

Visual Studio Code Team
Learn what is new in Visual Studio Code 1.127 Read the full article
VS Code Blog
Jul 1, 2026
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Upcoming Change: NTLM Removal in Git (libcurl) – Impact to Azure DevOps Server Customers

Gloridel Morales
Overview In September 2026, NTLM support will be removed from libcurl, which is used by Git for HTTP(S) operations. As a result, Git operations over HTTPS against Azure DevOps Server (on-premises) will stop working for customers who rely on NTLM authentication. This change is part of a...
Azure DevOps Blog
Jul 1, 2026
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Audit Frontier AI Agents with SQL MCP Server

Jerry Nixon
With On-Behalf-Of authentication, SQL MCP Server lets agents access Microsoft SQL without losing the user identity behind the request. Azure SQL can audit the signed-in user who invoked the operation, not just the agent, app, or MCP server that carried it out.
Azure SQL Dev Corner