Sergey Tihon's Blog

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# updates in .NET 10 Preview 4 – Release Notes
• 🎉 Visual Studio 2022 v17.14 is now generally available! – Visual Studio Blog
• Agent mode has arrived in preview for Visual Studio – Visual Studio Blog
• .NET 10 Preview 4 is now available! – .NET Blog
• How to Watch Microsoft Build 2025 Online – Visual Studio Blog
• Evaluating content safety in your .NET AI applications – .NET Blog
• .NET and .NET Framework May 2025 servicing releases updates – .NET Blog
• Celebrating 50 Million Developers: The Journey of Visual Studio and Visual Studio Code – Microsoft for Developers
• Now Generally Available: Apple identity provider support for Microsoft Entra External ID | Microsoft Entra Identity Platform
• Building Claude-Ready Entra ID-Protected MCP Servers with Azure API Management – Microsoft for Developers

GitHub Copilot now leverages a new AI model for smarter, more efficient coding. Enhanced context and vision support in preview. …now generally available in GitHub Copilot as the new default model. Learn more. https://msft.it/63328SwcDm

— Visual Studio (@visualstudio.com) 2025-05-16T17:10:00.682Z

Videos

• FSharp.Core.Extended with Vlad Zarytovskii
• ASP.NET Community Standup – Updates in .NET 10 Preview 4
• .NET Preview Unboxed – .NET 10 Preview 4 – Blazor, Web API, and new AI Templates
• .NET Data Community Standup – Azure SQL vector search with Davide Mauri
• On .NET Live Topic: Build and Run AI-powered .NET Apps Anywhere with ONNX Runtime

Blogs

• Static and Dynamic Library Binding in the Fidelity framework
• Disabling Indices in a -bacpac file (Sql Server) – planetgeek.ch
• Tutorial: PowerShell Modules in FSharp
• Ignoring explicitly with type parameters | Compositional IT

✍️ "Testing shows the presence of bugs, but never their absence." — Edsger W. DijkstraIn the 1970s, Dijkstra advocated that verification should replace testing as the first approach to software quality. Testing "won", but what if this wasn't the end of the story? #fsharp speakez.ai/blog/verifyi…

— SpeakEZ.ai (@speakezai.bsky.social) 2025-05-12T13:02:19.901Z

Highlighted projects

• tommililja/Farse: F# parsing library using System.Text.Json
• goswinr/Fesh: F# scripting editor for Windows
• ericfortmeyer/HODI: Higher Order Dependency Injection

New Releases

• FSharp.Core 9.0.300
• SwaggerProvider 2.3.1
• SQLProvider 1.5.7
• Farmer 1.9.14
• Fesh 0.26.3
• WebSharper 9.1.0.554
• FSharp.Core.Fluent 3.0.3
• Delegate.XrmDefinitelyTyped 6.6.1
• EluciusFTW.SpectreCoff 0.50.6
• Fable.Elmish.Debugger 4.2.2
• HODI 2.2.0
• Hedgehog.Xunit 0.7.1
• Prime 10.2.0
• Fabulous.AST 1.5.0
• FS.FullCalendar 1.0.0
• Farse 0.1.2-alpha

Visual Studio 2022 v17.14 is now generally available! ✨ Dive into AI-assisted development with GitHub Copilot's new agent mode, enhanced debugging tools, and more. Update today and experience the future of coding! Check it out. https://msft.it/6186SZGgq#VisualStudioNews #GitHubCopilot #AI #DevTools

— Visual Studio (@visualstudio.com) 2025-05-13T18:25:13.252Z

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Why we built our startup in C# – .NET Blog
• C# 14 – Exploring extension members – .NET Blog
• A Developer’s Guide to Build 2025 – Microsoft for Developers
• Announcing the General Availability of Managed Identities as Federated Identity Credentials in your Entra apps | Microsoft Entra Identity Platform
• Integration testing with Dapr and Testcontainers – ISE Developer Blog
• How Office Is Modernizing Their App Suite’s UI using Windows App SDK and React Native React Native
• Announcing the updated Teams AI Library and MCP support
• Fedora Linux is now an official WSL distro – Windows Command Line
• Nested App Authentication: Now available across Microsoft 365

This C# looks so F#py … #fsharp devblogs.microsoft.com/dotnet/why-w…

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2025-05-10T15:20:08.212Z

Videos

• .NET AI Community Standup – What’s Next for .NET and AI at Build 2025
• On .NET Live – Building Real-Time Web Applications with Akka.NET
• ASP.NET Community Standup – Automated browser testing with ASP.NET Core in .NET 10

Blogs

• F# vs C#: Best for Startups and Scale-ups
• Algebraic Data Types – by Desert Thunder – Pattern Matched
• Pulumi.FSharp.Extensions | Compositional IT
• The Shifting Computational Landscape and Returning Primacy of Compilers
• Exploring the new AI chat template

Highlighted projects

• simontreanor/FSharp.Finance.Personal: Personal finance functions written in F#
• afxres/binary: Serialization library for C# and F#.
• DragonFrai/Ferrum: library for working with dynamic Error types.
• HughPH/Box2D-dotnet-bindings: Box2D 3.x Bindings for dotnet (C#, F#, VB, …)

Active patterns make parsing so pleasant in #FSharp

— Robert Byrne (@kapitar.bsky.social) 2025-05-08T14:57:40.244Z

New Releases

• Ferrum 0.3.0
• Ferrum.Graphviz 0.3.0
• IcedTasks 0.11.8
• Numerics.NET.FSharp 9.0.3
• Hedgehog.Xunit 0.7.0
• SQLProvider 1.5.6
• Mikodev.Binary.FSharp 5.8.1
• Akka.FSharp 1.5.41
• Akka.Persistence.FSharp 1.5.41
• Fable.Elmish.Debugger 4.2.1
• HughPH.Box2D 2025.5.10.755
• Ecng.Compilation.FSharp 1.0.52

🚀 Fable 5.0.0-alpha.13 is out!This release fixes several Python-related bugs and lays the groundwork for smoother integration with JavaScript front end frameworks.#fsharp #fablecompiler

— Maxime (@mangelmaxime.bsky.social) 2025-05-04T12:45:44.707Z

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Packaging and Publishing a .NET MAUI Library with GitHub Actions – .NET Blog
• Running RAG with ONNX Runtime GenAI for On-Prem Windows – ISE Developer Blog
• There’s a Linux File Explorer built into Visual Studio!?! – C++ Team Blog
• Modernizing Project Files with AI: A Success Story from the .NET Team – Microsoft for Developers
• Azure AI Foundry extension for Visual Studio Code April 2025 Update | Azure AI Foundry Blog
• What’s New for Developers: Tools and Features | Azure AI Foundry Blog
• Microsoft Copilot Studio ❤️ MCP | Power Platform Developer Blog
• Protecting against indirect prompt injection attacks in MCP – Microsoft for Developers

Videos

• Intro to Functional Programming with F#
• How to run an F# + Falco Webapp in a Docker Container
• How to use Azure Table Storage with .NET Aspire and a Minimal API
• ASP.NET Community Standup – Building MCP Servers with ASP.NET Core
• On .NET Live – Clean Architecture, Vertical Slices, and Modular Monoliths (Oh My!)
• .NET MAUI Community Standup – .NET MAUI: A contributor’s story

I was recently on the @dev_lantern podcast giving an introduction to F#youtu.be/mKwOF8AFMP4#fsharp

— Ody (@odytrice.bsky.social) 2025-05-01T20:43:47.519Z

.NET Conf (Focus on Modernization)

• Deep dive into the upcoming AI-assisted tooling to upgrade .NET apps
• Unblock .NET modernization with AI-assisted app and code assessment tools
• Use Reliable Web App patterns to confidently replatform your web apps
• Modernize data-driven apps (No AI needed)
• Modernize from ASP.NET to ASP.NET Core: The Future is Now!
• Modernizing NET Future ready applications in the era of AI | .NET Conf: Focus on Modernization
• Cloud development doesn’t have to be painful, thanks to .NET Aspire
• Introducing Artificial Intelligence to your application
• Modernizing your desktop: From WinForms to Blazor, Azure, and AI

Blogs

• Delaunay triangulation with Bowyer-Watson: initial super triangle, revisited · Mathias Brandewinder blog
• How I Finally Embraced Text Mode (or How I Use F# in Helix) | CryptoQuant
• Introducing SAFE.Utils | Compositional IT
• Simpler code, faster results: The business case for moving from C# to F# – Ada Beat
• The future of software development is functional | by Jorge Duenas | Apr, 2025 | Medium
• How to run an F# + Falco Webapp in a Docker Container

F# in #Helix? Why not? "How I Finally Embraced Text Mode (or How I Use F# in Helix)" by Jozef Rudy #fsharp cryptoquant.dev/resources/bl…

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2025-05-04T06:42:43.032Z

Highlighted projects

• glokhov/fini: Configuration File
• hedgehogqa/fsharp-hedgehog-xunit: Hedgehog with convenience attributes for xUnit.net
• jacentino/DbFun: Functional-relational mapping framework for F#
• AngelMunoz/MigrondiUI

New Releases

• FSharp.Configuration 3.0.0
• Hedgehog.Xunit 0.7.0
• FSharp.Data.SqlClient 2.1.3
• Oxpecker 1.3.0
• SQLProvider 1.5.3
• Partas.Solid 0.2.34
• Terminal.Gui.RunExec 2.0.4
• DbFun.Core 2.1.1
• Fini 0.2.1
• Ecng.Compilation.FSharp 1.0.50
• Feliz.DaisyUI 5.2.0
• FsToolkit.ErrorHandling 5.0.0-beta012
• Fabulous.MauiControls 9.0.0-pre8

Oxpecker 1.3.0 is released! github.com/Lanayx/Oxpec… #fsharp Kudos to @eiriktsarpalis.bsky.social for the TypeShape library which is now #oxpecker 's dependency.

— Vladimir Shchur (@lanayx.bsky.social) 2025-04-30T22:53:23.322Z

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Join the .NET & C# Teams at Microsoft Build 2025 – .NET Blog
• Building Real‑Time iOS Apps with SignalR: Introducing the Official Swift Client (Public Preview) – .NET Blog
• Introducing the AI Dev Gallery: Your Gateway to Local AI Development with .NET – .NET Blog
• Guest Blog: SemantiClip: A Practical Guide to Building Your Own AI Agent with Semantic Kernel | Semantic Kernel
• Effortless adjustments with an adaptive paste – Visual Studio Blog

Aspire 9.2.1 servicing release just published. If you're experiencing any of the fixed issues, update your packages.github.com/dotnet/aspir…

— Damian Edwards (@damianedwards.com) 2025-04-24T18:47:13.282Z

Videos

• On .NET Live – Every Cache a Painting, Revisited
• .NET Conf – Focus on Modernization: Day 1
• .NET Conf – Focus on Modernization: Day 2
• .NET AI Community Stand Up – .NET Tokenizers & Real-World MCP in Action
• .NET Data Community Standup – Jiri and Shay talk about EF Core testing and Maurycy corrects them

Blogs

• Porting song recommendations to Haskell – Mark Seemann
• OpenFeature speaks F#. Step by step usage of OpenFeature in… | by André Silva
• Peril in the Pipeline: the Mystery of the Passing Tests | Compositional IT – Joost Kaptein

http://www.linkedin.com/posts/ramons…#fsharp

— (@halcwb.bsky.social) 2025-04-24T07:55:30.904Z

Highlighted projects

• fslaborg/FsSpreadsheet: Spreadsheet creation and manipulation in F#, Javascript, and Python.
• jet/propulsion: .NET event stream projection and scheduling platform with CosmosDB, DynamoDB, EventStoreDB, MemoryStore, message-db, Equinox and Kafka integrations
• shayanhabibi/Partas.Solid: Solid-JS wrapper in Oxpecker style.
• roboz0r/XParsec: XParsec is a parser combinator library for F#
• HughPH/Box2D-dotnet-bindings: Box2D 3.x Bindings for dotnet (C#, F#, VB, …)

New Releases

• NuGet Gallery | SQLProvider 1.5.0
• NuGet Gallery | BioFSharp 2.0.0
• NuGet Gallery | Feliz.DaisyUI 5.1.0
• NuGet Gallery | FSharpAux.Core 2.1.0
• NuGet Gallery | Fesh 0.26.1
• NuGet Gallery | WebSharper 9.0.1.549
• NuGet Gallery | Fun.Blazor.Templates 4.1.2
• NuGet Gallery | Partas.Solid 0.2.32
• NuGet Gallery | SqlFun 2.5.0
• NuGet Gallery | DbFun.Core 2.1.0
• NuGet Gallery | Terminal.Gui.RunExec 2.0.3
• NuGet Gallery | XParsec 0.1.0
• NuGet Gallery | Funogram.Telegram 9.0.0
• NuGet Gallery | Fumble 1.2.0
• NuGet Gallery | HughPH.Box2D 2025.3.10.2104
• NuGet Gallery | FS.FullCalendar 1.0.0-prerelease-003
• NuGet Gallery | Propulsion.Tool 3.0.0-rc.14.14
• NuGet Gallery | FSharp.Formatting 21.0.0-beta-005

Released new #box2d 3.1 bindings on #nuget today for #csharp #fsharp #visualbasic #dotnetBox2D 3.1 has breaking changes over 3.0 and so does my package. Sorry. Loads of fixes, though!#gamedev #indiedev

— Hugh Phœnix-Hulme (@hph.pw) 2025-04-20T19:59:10.350Z

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• What’s New in Rider 2025.1
• SqlHydra 3.0.0
• Preview 2 of the .NET AI Template Now Available – .NET Blog
• Build MCP Remote Servers with Azure Functions – .NET Blog
• Join the .NET & C# Teams at Microsoft Build 2025 – .NET Blog
• Introducing the Azure MCP Server – Azure SDK Blog
• Integrating Semantic Kernel Python with Google’s A2A Protocol | Azure AI Foundry Blog
• GitHub Copilot Highlights in Visual Studio 17.14 Preview 3 (Available Now) – Visual Studio Blog
• How the Copilot team leverages .NET Aspire – Microsoft for Developers
• Azure OpenAI Audio Models | Start with GPT‑4o Transcribe & TTS

Woohoo, some nice F# improvements in Rider.#fsharp#dotnet

— Urs Enzler (@ursenzler.bsky.social) 2025-04-16T15:20:04.472Z

Videos

• Working on Auctions with F#
• Third Func Prog Sweden 2025
• Introduction to the C# SDK for Model Context Protocol (MCP)
• .NET 10 Preview 3 – C# 14 Extension Properties & Null-Conditional Assignment
• .NET 10 Preview 3 – CLI Upgrades: Local SDK Installs, Shell Completion, Interactive Mode, & More
• .NET 10 Preview 3 – .NET APIs Get Validation, Server-Sent Events (SSE), and more!

Blogs

• F# in the real world – Deyan Petrov, Konstantin Ivanov, Andriy Horen
• Porting song recommendations to F# – Mark Seemann
• Eliminating infinite loops in nested Elmish | Compositional IT – Joost Kaptein
• Inference in Wybe: Leibniz inference rule – Luis Ángel M.
• Cancellation Tokens in F#. Basic usage of Cancellation Tokens in… | by André Silva
• Practical error handling in F#. There are probably more articles about… | by Vladimir Shchur

Just republished this article on Medium platform: medium.com/@askpt/cance…. Have a quick look! #dotnet #fsharp

— André Silva (@asilva.dev) 2025-04-13T17:43:02.027Z

Highlighted projects

• shayanhabibi/Partas.Solid: Solid-JS wrapper in Oxpecker style.
• goswinr/Fesh: F# scripting editor for Windows
• tforkmann/Fumble: Thin F# API for Sqlite for easy data access to sqlite database with functional seasoning on top
• falcoframework/Falco.Datastar: Falco + 🚀Datastar = ❤️

New Releases

• SAFE.Template 5.1.3
• Funogram.Telegram 9.0.0
• Giraffe 8.0.0-alpha-002
• SqlHydra.Cli 3.0.0
• Fesh 0.26.0
• Partas.Solid 0.2.28
• WebSharper 9.0.0.547
• WebSharper.UI 9.0.0.547
• FSharp.Data.Npgsql5 3.0.1
• Ecng.Compilation.FSharp 1.0.49
• NBomber 6.0.2
• Feliz.Tailwind 3.0.9
• Fable.Remoting.Client 7.34.0
• FCQRS.Model 2.3.0
• FAkka.Chiron 9.0.201.1
• SQLProvider 1.5.0-alpha2

v3.0 release of SqlHydra today! #fsharpgithub.com/JordanMarr/S…

— Jordan Marr (@jordanmarr.bsky.social) 2025-04-14T19:56:23.867Z

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• VS Code extension marketplace wars: Cursor users hit roadblocks • DEVCLASS
• .NET 10 Preview 3 is now available! – .NET Blog
• .NET Aspire 9.2 is Now Available with New Ways to Deploy – .NET Blog
• Build a Model Context Protocol (MCP) server in C# – .NET Blog
• Better Together: .NET Aspire, Azure Functions, and Visual Studio – Microsoft for Developers
• Announcing Hybrid Search with Semantic Kernel for .NET | Semantic Kernel
• .NET and .NET Framework April 2025 servicing releases updates – .NET Blog
• How we ended up rewriting NuGet Restore in .NET 9 – .NET Blog
• Multi-Process CPU Usage Analysis in Visual Studio – Visual Studio Blog

I started playing with the new preview of #modelcontextprotocol support in #azurefunctions. It's a port of my existing Untappd MCP server and I'm very, _very_ early in the creation phase: github.com/jtucker/mcp-…Written in #fsharp fwiw

— Jason T (@jtucker.bsky.social) 2025-04-07T16:00:42.436Z

Videos

• Contributing to the F# Open Source ecosystem
• CQRS demystified: F# + Akka.NET w/ Onur Gumus – Akka.NET Community Standup: 04-09-2025
• .NET Preview Unboxed – .NET 10 Preview 3 – C# 14 Extension Members, CLI Awesomeness, Blazor, & APIs!
• Blazor Community Standup – Updates in .NET 10 Preview 3
• .NET Aspire Community Standup – .NET Aspire 9.2 Release Party
• .NET AI Community Standup – 🔮 Fortune-Telling with Semantic Kernel
• .NET MAUI Community Standup – Next in .NET 10 and Visual Studio

FYI Onur Gumus is doing work on the Akka.NET community standup showing #fsharp CQRS and chiming into the chat saying "I NEED TO LEARN F#" 🙂 #dontetwww.youtube.com/live/GBADP7O…

— SpeakEZ.ai (@speakezai.bsky.social) 2025-04-09T18:04:52.237Z

Blogs

• Why F#? – (think) – Bozhidar Batsov
• Tests are Documentation, or are they? – planetgeek.ch – Urs Enzler
• Configuration with FsConfig | Compositional IT
• Targeting Node, Deno and Bun with F# | Tunaxor’s Blog

Highlighted projects

• jtucker/mcp-untappd-server-dotnet: An example MCP Azure Function in F#
• WyattTechnology/WAkka: F# interface for Akka.NET
• glokhov/fini: Configuration File
• xp44mm/FSharp.Compiler.SyntaxTreeX: `FSharp.Compiler.SyntaxTreeX` is a subtree of `FSharp.Compiler.SyntaxTree`.
• UnoSD/Pulumi.FSharp.Extensions: F# computational expressions to reduce boilerplate in Pulumi code
• roboz0r/XParsec: XParsec is a parser combinator library for F#
• AngelMunoz/Bix: Bix, an F# micro-framework for cross-runtime JavaScript backends
• AngelMunoz/Hox: Async HTML rendering and a simplistic but extensible DSL based on css selectors.

New Releases

• NuGet Gallery | Ecng.Compilation.FSharp 1.0.47
• NuGet Gallery | XstarS.GuidModule 2.6.1
• NuGet Gallery | FCQRS.Model 2.2.2
• NuGet Gallery | FAkka.FSharp.Collections.ParallelSeq 1.0.0
• NuGet Gallery | WAkka 1.5.3
• NuGet Gallery | Feliz.ReactSlider 0.3.7
• NuGet Gallery | Feliz.ChartJS 1.0.7
• NuGet Gallery | Feliz.Tailwind 3.0.8
• NuGet Gallery | SQLProvider 1.4.13
• NuGet Gallery | Fini 0.2.0
• NuGet Gallery | FSharp.Idioms 1.4.29
• NuGet Gallery | Pulumi.FSharp.Core 3.1.6
• NuGet Gallery | FAkka.Chiron 9.0.201
• NuGet Gallery | SqlHydra.Cli 2.8.2
• NuGet Gallery | NBomber.Http 6.0.2
• NuGet Gallery | XParsec 0.0.3
• NuGet Gallery | FSharp.Compiler.SyntaxTreeX 43.9.201
• NuGet Gallery | FSharp.Core 9.0.300-beta.25181.1

It’s also a great reminder to all #fsharp devs that wanted “official” LSP/VSCode-extension from MSFT… Ionide and FsAutoComplete may not be perfect, but at least I won’t fuck around with licenses.

— Krzysztof Cieslak (@kcieslak.io) 2025-04-09T23:24:44.822Z

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET on Heroku: Now Generally Available | Heroku
• Semantic Kernel Agents are now Generally Available | Semantic Kernel
• Microsoft partners with Anthropic to create official C# SDK for Model Context Protocol – Microsoft for Developers
• Using OpenAI’s Audio-Preview Model with Semantic Kernel | Semantic Kernel
• Getting Started with Claude models on Azure Databricks | All things Azure
• Modernizing push notification API for Teams – .NET Blog

Join the F# group on LinkedIn!www.linkedin.com/groups/13506…#fsharp #fablecompiler

— F# Online (@fsharponline.bsky.social) 2025-03-29T19:10:10.822Z

Videos

• Electrifying Norway with F# and DDD – Almir Mesic on Vimeo
• The Simplest Way to Measure Code Coverage? – YouTube
• Where next, C#? – Mads Torgersen – NDC London 2025
• Advanced Cloud Native Development with .NET Aspire – Scott Hunter & Maddy Montaquila
• Blazor Community Standup – Updates in .NET 10 Preview 3
• .NET MAUI Community Standup – Next in .NET 10 and Visual Studio

New link to the video vimeo.com/1070647821 #fsharp

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2025-03-31T12:00:47.508Z

Blogs

• Delaunay triangulation: Bowyer-Watson algorithm · Mathias Brandewinder blog
• Exploring the Latest Updates: DaisyUI 5 and Feliz.DaisyUI 5 | Compositional IT
• Why F#? – Bozhidar Batsov
• Parallel ultra lite F# CSV line parser – Anibal Yeh
• Math and F# = A cool combination

Highlighted projects

• mlaily/SimpleTemplateTypeProvider: An F# type provider for simple but strongly typed text templates.
• speakez-llc/FlightDeck: A Hugo inspired static site generator
• DragonFrai/Ferrum – F# library for working with dynamic Error types
• nfdi4plants/ARCtrl: Polyglot (.NET/JS/Python) library for management of Annotated Research Contexts (ARCs) using an in-memory representation and runtime-agnostic contract systems.
• glokhov/fini: INI configuration file
• dnovhorodov/FunqTypes: Lightweight funky functional types for C#
• glokhov/csharp: C# function wrapper
• WyattTechnology/WAkka: F# interface for Akka.NET
• x-stars/GuidGenerator: .NET RFC 4122/9562 compliant GUID generator library.
• falcoframework/Falco.Datastar: Falco + 🚀Datastar = ❤️

New Releases

• FS.FullCalendar 0.0.1-beta08
• Fabulous.AST 1.4.0
• SimpleTemplateTypeProvider 1.3.0
• FlightDeck 0.20.0
• Ferrum 0.2.0
• ARCtrl.Spreadsheet 2.5.1
• Fini 0.1.4
• FunqTypes 1.2.0
• FInvoke 0.3.0
• SAFE.Template 5.1.2
• FCQRS.Model 2.2.0
• WAkka 1.5.2
• XstarS.GuidModule 2.5.1
• Flowgix.Core 0.1.0
• Falco.Datastar 1.0.0-beta2
• G-Research.FSharp.Analyzers 0.14.0

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• WebSharper 8.0
• LINQPad 8 for macOS
• Exploring new .NET releases with Dev Containers – .NET Blog
• Use BrowserStack App Automate with Appium UI Tests for .NET MAUI Apps – .NET Blog
• Xbox + .NET Aspire: Transforming Local Development Practices – .NET Blog
• Introducing Visual Studio Hub – Visual Studio Blog
• Debugging with the AI-powered IEnumerable visualizer – Visual Studio Blog
• Building a Model Context Protocol Server with Semantic Kernel | Semantic Kernel
• Semantic Kernel Agent Framework RC2 | Semantic Kernel

All #fsharp users!Checkout the wonderful new testimonial page at fsharp.org/testimonials! Courtesy of @amuletofyendor.bsky.socialSubmit your own testimonials at github.com/fsharp/fshar…

— F# Online (@fsharponline.bsky.social) 2025-03-23T16:51:35.497Z

Videos

• Data ‘pickling’ in the F# compiler
• How to run an F# + Falco Webapp in a Docker Container
• .NET Aspire Community Standup – Adding and Extending Healthchecks
• .NET AI Community Standup: Evaluate the Quality of Your AI Applications
• On .NET Live – .NET in 3D

Blogs

• Getting Feliz.DaisyUI and the Fable plugin for Vite to play nice | Compositional IT
• How to run an F# + Falco Webapp in a Docker Container
• 🚀 Unlocking the Power of F#: The Functional Programming Game Changer
• Fullstack F# with Elmish Land and ASP.NET | Elmish Land

F# vNext

• Adding a dot before the parameter and property name when calling methods · Issue #1414 · fsharp/fslang-suggestions

#fsharp has just reached 4K stars on github! 🥳

— Vladimir Shchur (@lanayx.bsky.social) 2025-03-28T17:42:11.022Z

Highlighted projects

• DragonFrai/Ferrum – library for working with dynamic Error types.
• teo-tsirpanis/Covarsky: Enabling co(ntra)variance in F# types
• WyattTechnology/WAkka: F# interface for Akka.NET
• CSBiology/ProteomIQon – collection of open source computational proteomics tools

New Releases

• ARCtrl 2.5.1
• WebSharper.Templates 8.0.0.541
• Ionide.Analyzers 0.14.4
• fsharp-analyzers 0.30.0
• FSharp.Analyzers.SDK.Testing 0.30.0
• Ferrum 0.1.0
• ShapeSifter 1.1.14
• FS.FluentUI 2.4.0
• Partas.Solid 0.2.27
• Rhino.Scripting.FSharp 0.10.2
• Feliz.ChartJS 1.0.4
• Feliz.Tailwind 3.0.7
• Covarsky 1.4.3
• WAkka 1.5.1
• Elmish 4.3.0
• ProteomIQon 0.0.9
• TakeUntil 0.1.1
• WoofWare.Myriad.Plugins 4.0.14
• Microsoft.dotnet-interactive 1.0.617701
• Microsoft.DotNet.Interactive.FSharp 1.0.0-beta.25177.1
• linq2db.FSharp 6.0.0-preview.4

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

Featured image for this post created by @fsharp_learning.

A roundup of F# content from this past week:

News

• MSTest 3.8: Top 10 features to supercharge your .NET tests! – .NET Blog
• .NET 10 Preview 2 is now available! – .NET Blog
• Find the IDE features you need with GitHub Copilot and Search – Visual Studio Blog
• Introducing automatic documentation comment generation in Visual Studio – Visual Studio Blog
• Vector Search PDF & Documents SQL AI Simplified – Azure SQL Devs’ Corner
• Welcome to the Azure AI Foundry Blog! | Azure AI Foundry Blog
• Introducing Model Context Protocol (MCP) in Azure AI Foundry: Create an MCP Server with Azure AI Agent Service | Azure AI Foundry Blog

Videos

• Demystifying the Enigma Machine – a Functional Journey by Isaac Abraham
• Func Prog Sweden 2025 at Kivra
• OpenTelemetry in your test suite
• ASP.NET Community Standup – AI-powered Blazor web apps with the new .NET AI template
• .NET Preview Unboxed – .NET 10 Preview 2, DevContainers, Blazor, & More!
• On .NET Live – Hands-On with .NET Aspire 9.0
• .NET Data Community Standup – Stop using Entity Framework as a DTO provider!
• Making Apps Converse in Natural Language
• Keynote: The past, present, and future of AI for application developers – Steve Sanderson
• Null & Void – Everything about Nothing in .NET – Stefan Pölz – NDC London 2025
• Demystify cloud-native development with .NET Aspire
• C#’s Functional Journey – Mads Torgersen – NDC London 2025

Blogs

• Delaunay triangulation with Bowyer-Watson: circumcircle · Mathias Brandewinder blog
• Optimistic updates with SAFE Stack and F# | Compositional IT

Our blog this week discusses how you can implement optimistic updates with F#, for example for use in SAFE apps!#dotnet #[email protected]

— Compositional IT (@compositional-it.com) 2025-03-21T10:45:01.701Z

Highlighted projects

• Smaug123/WoofWare.PrattParser: Pratt parser in F#
• Smaug123/WoofWare.Myriad: Some Myriad source generators for F#
• glokhov/take-until: Implementation of a takeUntil function
• goswinr/AvalonLog: A thread-safe and colorful text viewer based on AvalonEdit
• goswinr/Fesh: F# scripting editor for Windows
• goswinr/Euclid: A 2D and 3D geometry library for F#
• PragmaticFlow/NBomber: Distributed load-testing framework for .NET. Create distributed load test scenarios entirely using plain C# or F#. It is designed to test any system regardless of the protocol or a semantic model (Pull/Push).
• afxres/binary: Serialization library for C# and F#.
• speakez-llc/Farscape: F# Native Library Binding Generator

New Releases

• FSharp.Control.Reactive 6.1.2
• FSharp.Control.Reactive.Testing 6.1.2
• FSharp.Data.JsonSchema 2.1.0
• Fable.Elmish.Browser 4.1.0
• Partas.Solid 0.2.26
• ShapeSifter 1.1.13
• HeterogeneousCollections 1.0.12
• Ionide.Analyzers 0.14.2
• Oxpecker.Solid 0.6.0
• Fabulous.AST 1.3.0
• WoofWare.PrattParser 0.2.4
• WoofWare.Myriad.Plugins 4.0.13
• Ecng.Compilation.FSharp 1.0.44
• TakeUntil 0.1.0
• Fesh 0.25.0
• AvalonLog 0.20.0
• Euclid 0.13.0
• NBomber 6.0.1
• Mikodev.Binary.FSharp 5.8.0
• FSharp.Core 9.0.300-beta.25124.4
• FsToolkit.ErrorHandling 5.0.0-beta010

Fun fact: according to @orta.io, a prehistoric version of #TypeScript was actually implemented in #FSharp (youtu.be/X8k_4tZ16qU?…).

— XTY 🦧 (@xty.io) 2025-03-19T13:41:17.098Z

That’s all for now. Have a great week.

If you want to help keep F# Weekly going, click here to jazz me with Coffee!