⚡️ F# Weekly #8, 2026
This new issue brings together key news, releases, and content from the F# ecosystem over the past week.
The main focus of the release is on the use of agentic-AI approaches to improve F# libraries, as well as updates from Microsoft (Agent Framework, Visual Studio, Foundry).
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This new issue brings together key news, releases, and content from the F# ecosystem over the past week.
The main focus of the release is on the use of agentic-AI approaches to improve F# libraries, as well as updates from Microsoft (Agent Framework, Visual Studio, Foundry).
♻️ Subscribe for free now!
Sergey Tihon's Blog
F# Weekly #8, 2026 – Boosting F# Libraries with Automated Agentic AI
Welcome to F# Weekly, A roundup of F# content from this past week: News What’s new in 1.1 | Elmish Land Microsoft News Migrate your Semantic Kernel and AutoGen projects to Microsoft Agent Fra…
⚡️ Marc Seemann Compares Testing to Mathematical Proof
Danish developer Mark Seemann has proposed a new metaphor for understanding test-based development (TDD) by comparing the process of writing automated tests to mathematical induction. In a recent article, he argues that a correctly formulated test is a formal statement that must remain true in any environment if the developer has explicitly recorded all the prerequisites.
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Danish developer Mark Seemann has proposed a new metaphor for understanding test-based development (TDD) by comparing the process of writing automated tests to mathematical induction. In a recent article, he argues that a correctly formulated test is a formal statement that must remain true in any environment if the developer has explicitly recorded all the prerequisites.
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ploeh blog
TDD as induction
A metaphor.
⚡️ How to Capture and Aggregate .NET Metrics with MeterListener
A new post breaks down how to record metrics in-process using MeterListener. The author shows how to listen to Instrument measurements, trigger Observable metrics, and aggregate the collected values. Useful if you want finer control over .NET telemetry without external collectors.
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A new post breaks down how to record metrics in-process using MeterListener. The author shows how to listen to Instrument measurements, trigger Observable metrics, and aggregate the collected values. Useful if you want finer control over .NET telemetry without external collectors.
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Andrew Lock | .NET Escapades
Recording metrics in-process using MeterListener
In this post I show how you can use MeterListener to listen to Instrument measurements, how to trigger Observable measurements, and how to aggregate values.
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⚡️ Copilot in Visual Studio 18.3 gets tools for WinForms
If you support or even develop new WinForms applications, then you should pay attention to the February update of Visual Studio 18.3, which introduced new Copilot agents that help you understand WinForms, generate tests and analyze the call stack.
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If you support or even develop new WinForms applications, then you should pay attention to the February update of Visual Studio 18.3, which introduced new Copilot agents that help you understand WinForms, generate tests and analyze the call stack.
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Visual Studio Magazine
WinForms Gets Some AI Love in Visual Studio February Update -- Visual Studio Magazine
Microsoft's Visual Studio February Update (18.3) adds new Copilot agents and workflows for WinForms guidance, test generation, call stack analysis, profiling with unit tests, C++ modernization, and improved Razor Hot Reload behavior.
⚡️ Event-based functions in containers: What changes the Azure Container Apps update
Microsoft combines Azure Functions with Azure Container Apps, combining the flexibility of containers with the simplicity of event triggers. Developers get autoscaling, built-in state management, and Durable Functions without having to write pulling, retrays, and custom orchestration.
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Microsoft combines Azure Functions with Azure Container Apps, combining the flexibility of containers with the simplicity of event triggers. Developers get autoscaling, built-in state management, and Durable Functions without having to write pulling, retrays, and custom orchestration.
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TECHCOMMUNITY.MICROSOFT.COM
Rethinking Background Workloads with Azure Functions on Azure Container Apps | Microsoft Community Hub
Objective
The blog explores background workload use cases where Azure Functions on Azure Container Apps provide clear advantages over traditional Container...
The blog explores background workload use cases where Azure Functions on Azure Container Apps provide clear advantages over traditional Container...
⚡️ February release of the Azure SDK
Microsoft has released the latest release of the Azure SDK.
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Microsoft has released the latest release of the Azure SDK.
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Microsoft News
Azure SDK Release (February 2026)
Azure SDK releases every month. This post includes the February 2026's highlights and release notes.
⚡️ Microsoft.Extensions.VectorData
The new extension pack introduces a single interface for working with the vector database, so developers get a common approach to semantic search regardless of the store they choose. The package supports embeddings, filtering, and RAG patterns.
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The new extension pack introduces a single interface for working with the vector database, so developers get a common approach to semantic search regardless of the store they choose. The package supports embeddings, filtering, and RAG patterns.
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Microsoft News
Vector Data in .NET – Building Blocks for AI Part 2
Explore the power of Vector Data in .NET AI for enhancing semantic searches and intelligent applications.
⚡️ F# Weekly #9, 2026
A new issue of the weekly digest dedicated to F# and functional development for .NET
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A new issue of the weekly digest dedicated to F# and functional development for .NET
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Sergey Tihon's Blog
F# Weekly #9, 2026 – Crunching the Technical Debt with Repo Assist
Welcome to F# Weekly, A roundup of F# content from this past week: News Pure-F# training/inference workflow around Qwen3-4B with NVFP4 [Poll] Consider changing the default of fsharp_multiline_brack…
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⚡️ JetBrains Unveils Latest Release of dotInsights
In the March digest, JetBrains collected the most notable materials on .NET: from a large-scale upgrade of the async/await mechanics and simplified work with MAUI-Grid to new tools for IdentityServer4 and Service Discovery.
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In the March digest, JetBrains collected the most notable materials on .NET: from a large-scale upgrade of the async/await mechanics and simplified work with MAUI-Grid to new tools for IdentityServer4 and Service Discovery.
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The JetBrains Blog
dotInsights | March 2026 | The .NET Tools Blog
Did you know? The async and await keywords in C# were introduced in C# 5.0 (2012) to simplify asynchronous programming. Under the hood, the compiler uses a state machine to transform your asynchr
⚡️ Free GitHub Copilot CLI course
GitHub has released a free, 8-chapter hands-on course on working with GitHub Copilot CLI. In it, you can practice reviewing code, generating tests, debugging, and creating your own agents.
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GitHub has released a free, 8-chapter hands-on course on working with GitHub Copilot CLI. In it, you can practice reviewing code, generating tests, debugging, and creating your own agents.
♻️ Subscribe for free now!
Microsoft News
Get started with GitHub Copilot CLI: A free, hands-on course
Learn GitHub Copilot CLI with this free, 8-chapter hands-on course. Review code, generate tests, debug issues, and build custom agents and skills - all from your terminal. No AI experience needed. Works with GitHub Copilot Free. Clone the repo or open in…
⚡️ ReSharper для Visual Studio Code
What the developers have been waiting for has finally happened! JetBrains has launched a full version of ReSharper for Visual Studio Code and compatible editors.
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What the developers have been waiting for has finally happened! JetBrains has launched a full version of ReSharper for Visual Studio Code and compatible editors.
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The JetBrains Blog
ReSharper for Visual Studio Code, Cursor, and Compatible Editors Is Out | The .NET Tools Blog
ReSharper has been a trusted productivity tool for C# developers in Visual Studio for over 20 years. Today, we’re taking the next step and officially releasing the ReSharper extension for Visual Studi
⚡️ GPT-5.4 is coming soon to Microsoft Foundry
Microsoft has already officially promised that OpenAI GPT-5.4 will be available at Foundry.
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Microsoft has already officially promised that OpenAI GPT-5.4 will be available at Foundry.
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TECHCOMMUNITY.MICROSOFT.COM
Introducing GPT-5.4 in Microsoft Foundry | Microsoft Community Hub
Today, we’re announcing OpenAI’s GPT‑5.4 to be generally available soon in Microsoft Foundry: a model designed to help organizations move from planning work...