⚡️ Metadata quirks in ASP.NET Core fallback endpoints
ASP.NET Core developers, take note: adding metadata to MVC or Razor Page fallback endpoints isn’t as straightforward as it looks. A new deep dive unpacks the quirks behind metadata handling in fallback routing — essential reading if you’re customizing endpoint behavior or building more flexible APIs.
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ASP.NET Core developers, take note: adding metadata to MVC or Razor Page fallback endpoints isn’t as straightforward as it looks. A new deep dive unpacks the quirks behind metadata handling in fallback routing — essential reading if you’re customizing endpoint behavior or building more flexible APIs.
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Andrew Lock | .NET Escapades
Adding metadata to fallback endpoints in ASP.NET Core
In this post I discuss fallback endpoints and show how adding metadata to MVC or Razor Page fallback endpoints has some quirks to be aware of
⚡️ AI‑powered RAG search with React and Azure SQL
A new sample app shows how to fuse OpenAI with Azure SQL for semantic, context‑aware search. Built with React and Azure Static Web Apps, it applies the RAG pattern to pull the most relevant code and end‑to‑end examples from structured data—an efficient blueprint for building smarter search experiences.
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A new sample app shows how to fuse OpenAI with Azure SQL for semantic, context‑aware search. Built with React and Azure Static Web Apps, it applies the RAG pattern to pull the most relevant code and end‑to‑end examples from structured data—an efficient blueprint for building smarter search experiences.
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Microsoft News
Build an AI Agentic RAG search application with React, SQL Azure and Azure Static Web Apps
Introduction Leveraging OpenAI for semantic searches on structured databases like Azure SQL enhances search accuracy and context-awareness, providing more relevant and insightful results. This example showcases the use of Azure SQL for storing and searching…
⚡️ Copilot’s new Planning mode levels up in Visual Studio
Visual Studio now lets Copilot plan entire coding tasks in Agent Mode. Instead of one-off prompts, it maps out complex work—researching code, breaking it into steps, and iterating automatically. You stay in control while Copilot does the heavy lifting.
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Visual Studio now lets Copilot plan entire coding tasks in Agent Mode. Instead of one-off prompts, it maps out complex work—researching code, breaking it into steps, and iterating automatically. You stay in control while Copilot does the heavy lifting.
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Microsoft News
Introducing Planning in Visual Studio (Public Preview)
Unlock a more efficient coding experience with Planning in Chat, now available in Visual Studio 2022 for better task management.
⚡️ Microsoft tops Gartner’s 2025 Hybrid Infrastructure MQ
Microsoft holds its Leader spot in Gartner’s 2025 Magic Quadrant for Distributed Hybrid Infrastructure — reaffirming its edge in scaling hybrid and cloud-native systems. The repeat win underscores how Azure and the broader Microsoft stack continue to define the enterprise hybrid playbook.
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Microsoft holds its Leader spot in Gartner’s 2025 Magic Quadrant for Distributed Hybrid Infrastructure — reaffirming its edge in scaling hybrid and cloud-native systems. The repeat win underscores how Azure and the broader Microsoft stack continue to define the enterprise hybrid playbook.
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Microsoft Azure Blog
Microsoft a leader in Gartner’s 2025 Distributed Hybrid Infrastructure Magic Quadrant
Microsoft named a Leader in Gartner’s 2025 DHI Magic Quadrant, recognizing innovation and strength in distributed cloud solutions. Learn more.
⚡️ Cosmos DB now feeds Copilot real project context
GitHub Copilot inside VS Code just got smarter for data-driven apps. The Azure Cosmos DB extension now injects your database context directly into Copilot, so code suggestions reflect your schemas and workload patterns — right where you code.
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GitHub Copilot inside VS Code just got smarter for data-driven apps. The Azure Cosmos DB extension now injects your database context directly into Copilot, so code suggestions reflect your schemas and workload patterns — right where you code.
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Microsoft News
Bringing Context to Copilot: Azure Cosmos DB Best Practices, Right in Your VS Code Workspace
Developers love GitHub Copilot for its instant, intelligent code suggestions. But what if those suggestions could also reflect your specific database and workload patterns? That’s now possible with a new feature in Azure Cosmos DB for VS Code. Starting today…
⚡️ Google's Quantum Supremacy
Google has unveiled the Quantum Echoes algorithm, which the company says is the first proven real-world application of quantum computing — so powerful that it surpasses even the most advanced supercomputers.
The algorithm is powered by Google's Willow quantum processor and has demonstrated a speed that exceeds classical solutions by about 13,000 times.
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Google has unveiled the Quantum Echoes algorithm, which the company says is the first proven real-world application of quantum computing — so powerful that it surpasses even the most advanced supercomputers.
The algorithm is powered by Google's Willow quantum processor and has demonstrated a speed that exceeds classical solutions by about 13,000 times.
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Google
Our Quantum Echoes algorithm is a big step toward real-world applications for quantum computing
Our latest quantum breakthrough, Quantum Echoes, offers a path toward unprecedented scientific discoveries and analysis.
⚡️ Azure Storage Mover goes fully managed
Cloud-to-cloud data transfers just got simpler: Azure Storage Mover is now a fully managed service. Move data from File Shares or NAS into Azure Blob and File storage with almost zero downtime — no noscripts, no manual orchestration, just smooth migration for enterprise workflows.
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Cloud-to-cloud data transfers just got simpler: Azure Storage Mover is now a fully managed service. Move data from File Shares or NAS into Azure Blob and File storage with almost zero downtime — no noscripts, no manual orchestration, just smooth migration for enterprise workflows.
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Microsoft Azure Blog
Fully managed cloud-to-cloud transfers with Azure Storage Mover | Microsoft Azure Blog
Learn how you can benefit from Azure Storage Mover’s new cloud-to-cloud migration capability with direct transfers from AWS S3 to Azure Blob.
⚡️ Microsoft Agent Framework upgrades .NET AI chats
Moving your .NET AI chat app to the Microsoft Agent Framework isn’t just a refactor — it’s a leap in architecture, reasoning, and tool integration. The upgrade brings cleaner logic, more adaptable workflows, and native support for intelligent multi-step interactions inside your existing stack.
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Moving your .NET AI chat app to the Microsoft Agent Framework isn’t just a refactor — it’s a leap in architecture, reasoning, and tool integration. The upgrade brings cleaner logic, more adaptable workflows, and native support for intelligent multi-step interactions inside your existing stack.
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Microsoft News
Upgrading to Microsoft Agent Framework in Your .NET AI Chat App
Step-by-step review on how to upgrade your .NET AI chat app to Microsoft Agent Framework for better architecture, tool integration, and intelligent reasoning.
⚡️ NuGet.org adds Sponsorship for package maintainers
NuGet.org now lets developers sponsor package maintainers directly — finally giving open-source contributors visible, structured support within the ecosystem. It’s a simple, integrated way to recognize maintainers’ work and strengthen the .NET community around the packages everyone relies on.
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NuGet.org now lets developers sponsor package maintainers directly — finally giving open-source contributors visible, structured support within the ecosystem. It’s a simple, integrated way to recognize maintainers’ work and strengthen the .NET community around the packages everyone relies on.
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Microsoft News
Announcing Sponsorship on NuGet.org
Announcing Sponsorship on NuGet.org - An easy way to recognize package maintainers and grow the NuGet community stronger!
⚡️ Visual Studio Copilot gains structured 'Planning' mode
Copilot in Visual Studio now takes on multi-step coding with a new 'Planning' feature. Building on GitHub Copilot’s Agent Mode, it maps tasks, reasons through steps, and shows progress — giving developers more visibility and control over complex workflows.
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Copilot in Visual Studio now takes on multi-step coding with a new 'Planning' feature. Building on GitHub Copilot’s Agent Mode, it maps tasks, reasons through steps, and shows progress — giving developers more visibility and control over complex workflows.
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Visual Studio Magazine
Hands On with New Visual Studio Copilot 'Planning' Feature (Preview) -- Visual Studio Magazine
The feature extends GitHub Copilot's Agent Mode to handle larger, multi-step coding tasks with structured reasoning, transparency, and progress tracking.
⚡️ Windows 11 Update Breaks .NET MAUI on .NET 8
A recent Windows 11 update disrupted .NET MAUI projects built on .NET 8, leaving devs stuck and asking, 'Microsoft, what happened?'. The snag got worse with blocked Xcode updates, but Microsoft’s external support team published a CLI-based fix that gets projects compiling again.
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A recent Windows 11 update disrupted .NET MAUI projects built on .NET 8, leaving devs stuck and asking, 'Microsoft, what happened?'. The snag got worse with blocked Xcode updates, but Microsoft’s external support team published a CLI-based fix that gets projects compiling again.
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Visual Studio Magazine
Win 11 Update Borks .NET MAUI Projects Built on .NET 8: 'Microsoft, What Have You Done?' -- Visual Studio Magazine
The issue was complicated by inability to update Xcode, but Microsoft external support staff had the step-by-step solution, with a little help from the CLI.
⚡️ F# Weekly #43, 2025
Developers can now sponsor open‑source maintainers directly through NuGet.org — no extra links or redirects. The update adds clear visibility for project funding inside the package ecosystem. Also worth a look this week: TinyHM, a lightweight in‑memory key‑value store authored in F#.
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Developers can now sponsor open‑source maintainers directly through NuGet.org — no extra links or redirects. The update adds clear visibility for project funding inside the package ecosystem. Also worth a look this week: TinyHM, a lightweight in‑memory key‑value store authored in F#.
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Sergey Tihon's Blog
F# Weekly #43, 2025 – Sponsorship on NuGet.org & TinyHM
Welcome to F# Weekly, A roundup of F# content from this past week: News Announcing Sponsorship on NuGet.org – .NET Blog Upgrading to Microsoft Agent Framework in Your .NET AI Chat App –…
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⚡️ When TDD Doesn’t Fit: Empirical Test-After Development
TDD offers a scientific, experiment-driven path to building reliable software — but not all projects fit the model. Empirical test-after development steps in for those edge cases, bringing evidence-based rigor even when test-first isn’t practical. A thoughtful approach for teams seeking balance over dogma.
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TDD offers a scientific, experiment-driven path to building reliable software — but not all projects fit the model. Empirical test-after development steps in for those edge cases, bringing evidence-based rigor even when test-first isn’t practical. A thoughtful approach for teams seeking balance over dogma.
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ploeh blog
Empirical test-after development
A few techniques for situations where TDD is impractical.
⚡️ Azure SDK October 2025: Fresh APIs for Modern Devs
The October 2025 Azure SDK drop refines cloud tooling with updated client libraries and cleaner API surfaces across services. Monthly cadence continues to deliver sharper developer experiences — a quiet but steady evolution for those building on Azure.
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The October 2025 Azure SDK drop refines cloud tooling with updated client libraries and cleaner API surfaces across services. Monthly cadence continues to deliver sharper developer experiences — a quiet but steady evolution for those building on Azure.
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Microsoft News
Azure SDK Release (October 2025)
Azure SDK releases every month. This post includes the October 2025's highlights and release notes.
⚡️ Uno Platform 6.3 goes all‑in on .NET 10 and VS 2026
Uno Platform 6.3 lands with .NET 10 Preview support and full Visual Studio 2026 readiness. WebAssembly apps run faster thanks to major performance gains, while Hot Design and a reworked TabView streamline cross‑platform UI work. A clean, forward‑looking update for serious .NET devs.
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Uno Platform 6.3 lands with .NET 10 Preview support and full Visual Studio 2026 readiness. WebAssembly apps run faster thanks to major performance gains, while Hot Design and a reworked TabView streamline cross‑platform UI work. A clean, forward‑looking update for serious .NET devs.
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⚡️ ReSharper 2025.2.4 brings back TeamCity extension
ReSharper and Rider 2025.2.4 land with a solid batch of fixes and quality tweaks — and the long‑awaited TeamCity extension makes its return. JetBrains keeps sharpening the developer experience across the stack, polishing daily workflows without overhauling what already works.
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ReSharper and Rider 2025.2.4 land with a solid batch of fixes and quality tweaks — and the long‑awaited TeamCity extension makes its return. JetBrains keeps sharpening the developer experience across the stack, polishing daily workflows without overhauling what already works.
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The JetBrains Blog
ReSharper and Rider 2025.2.4: Another Set of Updates Released | The .NET Tools Blog
A fourth set of updates for the 2025.2 versions of ReSharper and Rider has just been released. This release contains important bug-fixes as well as feature updates. Let’s take a look at what’
⚡️ Critical .NET flaw enables request smuggling attacks
A 9.9‑severity vulnerability (CVE‑2025‑55315) hits ASP.NET Core, exposing apps to request smuggling. Malformed HTTP traffic can slip past middleware and trigger unauthorized actions on backend servers. Patch immediately — this is one of the most severe .NET security issues to date.
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A 9.9‑severity vulnerability (CVE‑2025‑55315) hits ASP.NET Core, exposing apps to request smuggling. Malformed HTTP traffic can slip past middleware and trigger unauthorized actions on backend servers. Patch immediately — this is one of the most severe .NET security issues to date.
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Andrew Lock | .NET Escapades
Understanding the worst .NET vulnerability ever: request smuggling and CVE-2025-55315
In this post I discuss request smuggling, the recent vulnerability in ASP.NET Core with a severity score of 9.9, and how attackers could exploit it
⚡️ Microsoft and OpenAI have entered into a new agreement
Microsoft has announced a deal with OpenAI so that the creator of ChatGPT can restructure into a public benefit corporation, after which Microsoft will own approximately 27% of the company.
As part of the new agreement, Microsoft will also get access to OpenAI's artificial intelligence technologies until 2032.
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Microsoft has announced a deal with OpenAI so that the creator of ChatGPT can restructure into a public benefit corporation, after which Microsoft will own approximately 27% of the company.
As part of the new agreement, Microsoft will also get access to OpenAI's artificial intelligence technologies until 2032.
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The Official Microsoft Blog
The next chapter of the Microsoft–OpenAI partnership
Since 2019, Microsoft and OpenAI have shared a vision to advance artificial intelligence responsibly and make its benefits broadly accessible. What began as an investment in a research organization has grown into one of the most successful partnerships in…
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⚡️ Veeam turns backups into a discovery engine
Veeam rethinks data resilience by building a search engine on top of Azure Cosmos DB. Instead of just storing copies for recovery, the platform lets teams explore and extract insights directly from backup data — shifting the focus from simple protection to data discovery.
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Veeam rethinks data resilience by building a search engine on top of Azure Cosmos DB. Instead of just storing copies for recovery, the platform lets teams explore and extract insights directly from backup data — shifting the focus from simple protection to data discovery.
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Microsoft News
From Backup to Discovery: Veeam’s Search Engine Powered by Azure Cosmos DB
Discover how Veeam and Microsoft built planet-scale data discovery using Azure Cosmos DB, Databricks, and OpenAI—delivering fast, resilient search across billions of items.
⚡️ GitHub debuts Agent HQ for unified AI workflows
GitHub’s new Agent HQ bridges every developer workflow into one place — letting you orchestrate any AI agent, on any stack, from anywhere. Announced at Universe 2025, it’s a bold step toward making agents a first-class part of the developer toolkit.
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GitHub’s new Agent HQ bridges every developer workflow into one place — letting you orchestrate any AI agent, on any stack, from anywhere. Announced at Universe 2025, it’s a bold step toward making agents a first-class part of the developer toolkit.
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The GitHub Blog
Introducing Agent HQ: Any agent, any way you work
At Universe 2025, GitHub's next evolution introduces a single, unified workflow for developers to be able to orchestrate any agent, any time, anywhere.
⚡️ GitHub Copilot lands in Xcode, JetBrains & Eclipse
GitHub Copilot just broke out of VS Code’s walls — it’s now integrated with Xcode, JetBrains IDEs, and Eclipse. Microsoft also rolled out new MCP Registry and Allowlist Controls, both in public preview, tightening how teams manage AI assistance across dev environments.
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GitHub Copilot just broke out of VS Code’s walls — it’s now integrated with Xcode, JetBrains IDEs, and Eclipse. Microsoft also rolled out new MCP Registry and Allowlist Controls, both in public preview, tightening how teams manage AI assistance across dev environments.
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