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Modernize .NET applications in the GitHub Copilot app
Modernize .NET applications in the GitHub Copilot app. Follow your upgrade from assessment through execution in an interactive upgrade canvas.
Read moreClick to read more about this postAgent 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...
Read moreClick to read more about this postDon'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...
Read moreClick to read more about this postLatest posts
Jul 6, 2026
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See our new Azure Cosmos DB Design Patterns
Design patterns are where good data modeling lives or dies. In a NoSQL database like Azure Cosmos DB, the difference between a schema that scales to millions of operations per second and one that fights you at every turn usually comes down to a handful of well‑understood patterns: how...
Azure Cosmos DB Blog
Jul 6, 2026
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I opened a file with FILE_FLAG_DELETE_ON_CLOSE , but now I changed my mind
You can't change your mind, but you can do it a different way.
The Old New Thing
Jul 6, 2026
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Need a different partition key in Azure Cosmos DB? Pick the right approach
Once you create a container, its partition key is fixed at creation, and you can’t change it in place. However, if your original key starts causing problems like cross-partition queries or hot partitions, you need to consider your options for changing it. This post explains the...
Azure Cosmos DB Blog
Jul 6, 2026
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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...
Microsoft for Developers
Jul 6, 2026
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How Prompt Tuning Improved GPT-5.5 in VS Code
See how VS Code and OpenAI tested GPT-5.5 system prompt changes in a two-week experiment, cutting tool calls and tail-end token usage while speeding up edits.
Read the full article
VS Code Blog
Jul 5, 2026
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Azure SDK Release (June 2026)
Azure SDK releases every month. In this post, you'll find this month's highlights and release notes.
Azure SDK Blog
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?
Contextual clues.
The Old New Thing
Jul 3, 2026
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Enabling MLflow OpenAI Autolog on PySpark Workers
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
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