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!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• A 10x Faster TypeScript – TypeScript
• Hello HybridCache! Streamlining Cache Management for ASP.NET Core Applications – .NET Blog
• Introducing support for SLNX, a new, simpler solution file format in the .NET CLI – .NET Blog
• New, Simpler Solution File Format – Visual Studio Blog
• Aspire SQL Server Data API Builder with .NET Integration – Azure SQL Devs’ Corner
• Announcing Microsoft Desired State Configuration v3.0.0 – PowerShell Team
• GPT-4o Copilot code completion model available now in Visual Studio public preview – Visual Studio Blog
• The Future of AI: Customizing AI Agents with the Semantic Kernel Agent Framework | Semantic Kernel

Videos

• Thirteen ways of looking at a Turtle – Scott Wlaschin – NDC London 2025
• F# web gen – TailwindCSS, DaisyUI and PrismJS
• ASP.NET Community Standup – What’s new for Blazor in .NET 10 Preview 2
• ASP.NET API Review & .NET API Review

Blogs

• Background Workers in F# | Compositional IT
• Building a local AI Chat app in F# and Elmish Land with Ollama and DeepSeek | Elmish Land

🚀 Want to build your own AI chat app? In this guide, I use F#, Elmish Land, Ollama and DeepSeek to create a local AI-powered chat — no cloud required!elmish.land/blog/buildin…#fsharp #fable-compiler #AI #elmish #ollama #deepseek

— Kristofer Löfberg (@klofberg.bsky.social) 2025-03-13T18:48:15.304Z

Highlighted projects

• frank-fs/frank: F# computation expressions for defining HTTP resources and configuring IWebHostBuilder.
• speakez-llc/fsharp-mlir-hello: Proof of Concept using MLIR and LLVM to build binaries from F# code
• goswinr/Dicts: F# Extensions and modules around Dictionary<‘T>
• shayanhabibi/Partas.Solid – Solid-JS wrapper in Oxpecker style.
• hedgehogqa/fsharp-hedgehog-experimental: Hedgehog with batteries included: Auto-generators, extra combinators, and more.
• goswinr/Euclid: A 2D and 3D geometry library for F#
• glokhov/csharp: FSharp wrapper for CSharp methods which can throw an Exception
• ken-okabe/timeline: Language-Agnostic Reactive State Management Library

#llvm #mlir In case anyone in the #fsharp sphere wants to know how easy/difficult it may be to move beyond the #dotnet sdk… this was hacked together in a few hours including a break for the evening meal.github.com/speakez-llc/…

— SpeakEZ.ai (@speakezai.bsky.social) 2025-03-14T02:21:15.835Z

New Releases

• Frank 6.3.0
• FS.FluentUI 2.3.1
• Akka.FSharp 1.5.39
• Euclid 0.13.0
• Dicts 0.4.0
• Farmer 1.9.12
• Rhino.Scripting.FSharp 0.10.1
• FSharp.Data 6.6.0
• SQLProvider 1.4.12
• SwaggerProvider 2.2.3
• Hedgehog.Experimental 0.8.0
• Partas.Solid 0.2.16
• Fable 5.0.0-alpha.12
• Fable.Compiler 5.0.0-alpha.12
• FSharp.SystemCommandLine 1.0.0-beta4
• WebSharper 8.0.0.525-rc2
• FS.FullCalendar 0.0.1-beta02
• Fable.React 10.0.0-alpha.1

❤️ #fsharp

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2025-03-11T20:09:27.960Z

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!