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!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Write your Aspire AppHost in F#!
• C# vs F# | AI comparison
• Easy API Testing | ApiStub.FSharp
• .NET AI Template Now Available in Preview – .NET Blog
• Unlock new possibilities for AI Evaluations for .NET – .NET Blog
• New Debugging and Profiling Features in Visual Studio (v17.13) – Visual Studio Blog
• Great new productivity features in Visual Studio – Visual Studio Blog
• Azure Data Studio Retirement – Azure SQL Devs’ Corner

🚀 Exciting news for F# devs! Elmish Land is here – the new home for building scalable front-end web apps with F# & Elmish.Why does this matter? Find out in my latest blog post:👉 elmish.land/blog/introdu…#FSharp #Elmish #WebDev

— Kristofer Löfberg (@klofberg.bsky.social) 2025-03-02T21:58:26.107Z

Videos

• SAFE Stack: The Pit of Success for Functional Web Programming – Isaac Abraham | Lambda Days 2024
• ASP.NET Community Standup – HybridCache updates and futures
• .NET MAUI Community Standup – Agent Maui: Copilot Pro-tips for devs – YouTube
• .NET API Review
• .NET MAUI Community Toolkit Monthly Standup, March 2025

Blogs

• Delaunay triangulation with Bowyer-Watson: initial super triangle · Mathias Brandewinder blog
• Adopting SAFE Meta-packages | Compositional IT
• Introducing Feliz.Shadcn: Effortless UI without CSS | Elmish Land
• Creating a to-do app with Elmish Land | Elmish Land
• Using Tailwind CSS with Fable and Elmish Land | Elmish Land
• Mastering Flexbox Alignment with Tailwind CSS | Elmish Land
• Introducing Feliz.Shadcn: Effortless UI without CSS | Elmish Land

Highlighted projects

• Tarmil/FSharp.Aspire.Hosting: Package to create Aspire App Hosts in F#
• AArnott/Nerdbank.MessagePack: A .NET MessagePack serialization library with great performance and simplicity.

New Releases

• SAFEr.Template 5.0.1
• Feliz.DaisyUI 5.0.0
• FunqTypes 1.0.1
• Rhino.Scripting.FSharp 0.10.0
• Expecto 10.2.2
• Partas.Solid 0.2.6
• Fabulous.AST 1.2.0
• FSharp.Aspire.ProjectTemplates 9.1.0
• Ionide.Analyzers 0.14.1
• fsharp-analyzers 0.29.1
• Fable.Core 4.5.0
• SqlHydra.Query 2.8.0
• Fable 5.0.0-alpha.11
• Fable.React 10.0.0-alpha.1
• Terminal.Gui 2.0.0-prealpha.1834
• MathNet.Numerics.FSharp 6.0.0-beta2
• Nerdbank.MessagePack 0.4.5-beta
• WebSharper 8.0.0.517-beta2

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

• School of .NET
• .NET 10 Preview 1 is now available! – .NET Blog
• .NET Aspire 9.1 is here with six great new dashboard features, and more! – .NET Blog
• Let’s Learn .NET: GitHub Copilot Event – .NET Blog
• Rust in time! Announcing the Azure SDK for Rust Beta. 🎉 – Azure SDK Blog
• Claude 3.7 Now Available in GitHub Copilot for Visual Studio – Visual Studio Blog
• Terminal Chat now included in GitHub Copilot Free – Windows Command Line
• Announcing AI Shell Preview 2 – PowerShell Team
• Leverage vision in Copilot Chat – Visual Studio Blog
• Dev Proxy v0.25 with automatic shut down and more

Videos

• Using ApiStub.FSharp to integration test your ASP.NET APIs
• .NET Aspire Community Standup – .NET Aspire 9.1 Release Party
• Let’s Learn .NET – GitHub Copilot
• .NET Previews Unboxed – .NET 10 Preview 1, C# 14, HybridCache, & More
• .NET AI Community Standup – Exploring AI Templates for Visual Studio
• On .NET Live – Multi-agent workflow using Azure Durable Functions and Semantic Kernel
• Building Intelligent Apps with Semantic Kernel

Blogs

• Building Functional .NET Applications: a Guide for Choosing between F# vs C# – InfoQ
• Async Commands with Avalonia FuncUi · Mathias Brandewinder blog
• Debouncing request in Feliz using custom hooks | Compositional IT
• Using F# to build React apps: state management with Elmish | Compositional IT
• Using F# to build React apps: npm packages | Compositional IT
• Using F# to build React apps: components and hooks with Feliz | Compositional IT
• Using F# to build React apps: transpiling to JS with Fable | Compositional IT

Functional .NET is having a moment. Lots of interest in making C# more functional, but F# is already there. Nahla Davies breaks it down.Worth a read!#dotnet #fsharp @fsharponline.bsky.social

— Compositional IT (@compositional-it.com) 2025-02-24T10:45:06.626Z

F# vNext

• ASP.NET Core Roadmap for .NET 10 · Issue #59443 · dotnet/aspnetcore
• Tryparse for union cases · Issue #1411 · fsharp/fslang-suggestions

Highlighted projects

• CSBiology/MzIO: Generic data model to unify various readers and writers for different formats used in protein mass spectrometry
• goswinr/FsEx: An F# extension and utility library
• Tarmil/FSharp.Aspire.Hosting: Package to create Aspire App Hosts in F#
• Scaper/ScaperPublic: A dynamic discrete choice model for activity generation and scheduling

New Releases

• FsEx 0.16.0
• MzIO 0.1.7
• Feat 0.2.1
• SQLProvider 1.4.9
• FSharp.Aspire.Hosting.Orleans 9.0.0
• FSharp.Aspire.Hosting.Azure 9.0.0
• FSharp.Aspire.Hosting.Aws 9.0.0
• FSharp.Aspire.Hosting.AppHost 9.0.0
• FSharp.CommunityToolkit.Aspire.Hosting.Azure.StaticWebApps 9.0.0
• Oxpecker.Solid 0.5.0
• Oxpecker.Solid.FablePlugin 0.5.0
• Swate.Components 1.0.0-beta.27
• FSharp.Core 9.0.300-beta.25079.4
• FSharp.Compiler.Service 43.9.300-preview.25079.4
• FsToolkit.ErrorHandling 5.0.0-beta007
• WebSharper 6.1.9.513
• WebSharper.Compiler 6.1.9.513
• WebSharper.Remarkable 8.0.0.512-beta2

Great turnup and focused devs trying out the brand new English version of the #fsharp "School of .NET" by NRK. Thanks to NNUG for hosting and Heidi, Teo, Matias and Thomas for the workshop!github.com/nrkno/dotnet…

— Bjørn Einar Bjartnes (@bjartnes.bsky.social) 2025-02-26T17:53:34.985Z

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

• Juniper Programming Language (compiler written in F#)
• Building .NET AI apps with Chroma – .NET Blog
• Rust in time! Announcing the Azure SDK for Rust Beta. 🎉 – Azure SDK Blog
• .NET MAUI Performance Features in .NET 9 – .NET Blog
• GitHub Copilot for Xcode Chat – Public Preview Now Available | Xcode
• Visualize ROI of your GitHub Copilot Usage, How it works!
• Unlocking More Power: Tool Calling in GitHub Copilot for Visual Studio – Visual Studio Blog
• Introducing Code Referencing for GitHub Copilot Completions in Visual Studio – Visual Studio Blog

May the wonders never cease – #fsharp markup is finally supported in Teams 😏⏳🤔

— SpeakEZ.ai (@speakezai.bsky.social) 2025-02-22T14:04:47.701Z

Videos

• Hackable PXL-Art for the Masses
• Building a SaaS in F# | Learning F# | Day 1
• How to Create Custom HTML Attributes with F# + Falco.Markup
• Blazor Community Standup – Razor Tooling and Hot Reload update
• On .NET Live – Multi-agent workflow using Azure Durable Functions and Semantic Kernel
• .NET Aspire Community Standup – .NET Aspire 9.1 Release Party

Blogs

• Mastering Fable: Simplifying Your Journey by Knowing What’s Available | Compositional IT

F# vNext

• Allow mutating structs through read-only property setters in non-mutable contexts · Issue #1410 · fsharp/fslang-suggestions
• Property references · Issue #1409 · fsharp/fslang-suggestions

Highlighted projects

• calebh/Juniper – functional reactive programming language
• SchlenkR/FsxWatcher: A dotnet tool that watches F# script changes and sends them to FSI.
• boogie-org/forro: A sample verifier for a toy language built on top of Boogie

New Releases

• fantomas 7.0.1
• SqlHydra.Cli 2.7.0
• JsonDSL 0.3.1
• Akka.FSharp 1.5.38
• DynamicObj 7.0.1
• FsxWatcher 0.0.2

Good Morning, friends of #fsharp! Here are some news:- New dotnet tool: FsxWatcher- Watched all F# script files in a folder- Sends them to F# Interactive (hosted inside the tool)I find this useful when writing PXL-Apps (see below).www.nuget.org/packages/Fsx…cc @sergeytihon.com F# ❤️

— SchlenkR (@schlenkr.bsky.social) 2025-02-23T07:24:10.454Z

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

• New Features for Enhanced Razor Productivity! – .NET Blog
• Announcing Generative AI for Beginners – .NET – .NET Blog
• C# Dev Kit Updates: .NET Aspire, Hot Reload, and More! – .NET Blog
• Microsoft.Testing.Platform: Now Supported by All Major .NET Test Frameworks – .NET Blog
• Visual Studio 2022 v17.13 is Now Available! – Visual Studio Blog
• Bells and whistles: Building with Microsoft Copilot Studio | Power Platform Developer Blog
• First preview of Visual Studio 2022 v17.14 – Visual Studio Blog
• New restrictions on package loading – Visual Studio Blog
• Guest Blog: Step-by-Step Guide to Building a Portfolio Manager: A Multi-Agent System with Microsoft Semantic Kernel and Azure OpenAI | Semantic Kernel
• New Features for Enhanced Razor Productivity! – .NET Blog
• .NET Aspire and Data API builder with the Community Toolkit – Azure SQL Devs’ Corner

❤️‍🔥 We're glad to see the powerful #fsharp library DiffSHarp refreshed – more than a a new name, it's getting a new lease on life. Updates to Torch as well as plans for a #csharp API are in the works. It's never been a better time to work in #dotnet and #opensource. github.com/fsprojects/F…

— SpeakEZ.ai (@speakezai.bsky.social) 2025-02-16T03:36:39.525Z

Videos

• Build a Simple Markdown Blog with F# and Falco
• Integrate .NET Aspire into your .NET projects with VS Code & C# Dev Kit
• On .NET Live – Build Faster, Optimize Smarter!
• ASP.NET Community Standup – Exciting (and breaking) changes for OpenAPI in .NET 10
• .NET AI Community Standup – Local AI on .NET using Ollama & .NET Aspire
• Languages & Runtime Community Standup – Tensors in .NET
• .NET API Review

Blogs

• Which React hooks to use from F# | Compositional IT

F# vNext

• Constant expressions in patterns · Issue #1408 · fsharp/fslang-suggestions
• Fable Vite and Vitest (modern js/ts/react tooling support official · fable-compiler/Fable · Discussion #4043

@dsyme.bsky.social 🚧 Just an FYI we've been looking into DiffSharp per your suggestion. Frankly we think everyone in #dotnet should be looking into this for #AI. 🚀 Model tuning on GPU coupled with running with LlamaSharp is a huge opportunity that should wake up #fsharp and #csharp devs. 💙 🐓 🌞

— SpeakEZ.ai (@speakezai.bsky.social) 2025-02-12T13:08:26.751Z

Highlighted projects

• fsprojects/Furnace: Production-grade ML – F# power & precision guiding Torch performance
• nfdi4plants/ARCTokenization: Definition of controlled vocabulary tokens and library to tokenize ARC metadata into these tokens
• Dolfik1/Funogram: F# Telegram Bot Api library
• nfdi4plants/Swate: Excel Add-In for annotation of experimental data and computational workflows.
• cmeeren/Felicity: Boilerplate-free, idiomatic JSON:API for your beautiful, idiomatic F# domain model. Optimized for developer happiness.
• CSBiology/MzIO: Generic data model to unify various readers and writers for different formats used in protein mass spectrometry
• ninjarobot/KeyVaultFuse: Creates a FUSE filesystem for Azure Key Vault
• deadblackclover/fsharp-native-dll: Example of using native libraries in F#
• asfaload/collector: checksums collector

New Releases

• Furnace.Data 1.0.8
• Furnace-cuda 1.0.8
• SQLProvider 1.4.8
• Facil 2.15.0
• G-Research.FSharp.Analyzers 0.13.0
• Ionide.Analyzers 0.14.0
• fsharp-analyzers 0.29.0
• ControlledVocabulary 1.2.0
• ARCTokenization 6.1.0
• Funogram.Telegram 8.3.0
• Felicity 0.23.2
• MzIO 0.1.4
• Fable.Browser.Dom 2.18.1
• FSharp.Core 9.0.201
• FSharp.Compiler.Service 43.9.201
• Oxpecker 1.2.0
• Oxpecker.ViewEngine 1.1.0

Just got a comment on the past edition of F# Weekly. What do you think about it #fsharp ? wordpress.com/reader/blogs…

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2025-02-14T17:58:29.933Z

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 9 Networking Improvements – .NET Blog
• Azure Data Studio Retirement – Azure SQL Devs’ Corner
• ASP.NET Core on .NET Framework servicing release advisory: ASP.NET Core 2.3 – .NET Blog
• Announcing the Kiota support for Dart, now in public preview – OpenAPI at Microsoft
• Semantic Kernel Roadmap H1 2025: Accelerating Agents, Processes, and Integration | Semantic Kernel
• Windows Terminal Preview 1.23 Release – Windows Command Line
• Your fonts are now preserved when changing theme – Visual Studio Blog
• Customize your AI-generated git commit messages – Visual Studio Blog

The next F# feature that Mads would like to have in C# from #fsharp is Type Providers youtu.be/T9UqIkuGnuo?…

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2025-02-06T18:06:16.596Z

Videos

• Doing Math with F# by Sudipta Mukherjee #FnConf 2025
• The Exciting Future of C# with Mads Torgersen
• .NET 10 Server & APIs Planning Discussion
• The Most Underrated .NET Feature You Must Use
• On .NET Live – Visualizing Chaos with OpenTelemetry and Immersive APM
• .NET MAUI Community Standup – Let Copilot Fix Your XAML
• .NET API Review
• .NET MAUI Community Toolkit Monthly Standup, February 2025

Blogs

• Maintainable Avalonia FuncUI screen layouts with DockPanels and Borders · Mathias Brandewinder blog
• Flexible String Interpolation: The Silly Oversight of a Missing Compiler Error | Compositional IT

F# vNext

• Remove ML compatibility support · Issue #1407 · fsharp/fslang-suggestions
• Improve the pattern matching for `IsLikeZip` operation in CE · Issue #1406 · fsharp/fslang-suggestions

Highlighted projects

• deadblackclover/fsharp-native-dll: Example of using native libraries in F#
• halcwb/GenPres2: Enable Safe and Efficient medication prescription, preparation and administration

New Releases

• SQLProvider 1.4.7
• Ionide.Analyzers 0.13.1
• FsToolkit.ErrorHandling 5.0.0-beta004
• Swate.Components 1.0.0-beta.24

#LambdaDays 2025 – Big thanks to our Programme Committee! 🎉 We’ve already received 70+ proposals from top minds in #FunctionalProgramming! 💡2 days left to submit yours! ⏳Submit: https://buff.ly/4hJUa0X Calling: #Clojure, #Haskell, #Scala, #Elixirlang, #Elm, #Erlang, #Gleam, #Fsharp, #Idris a…

— Lambda Days (@lambdadays.bsky.social) 2025-02-07T10:19:01.620Z

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

• Falco v5.x is now generally available, including first class integrations with HTMX and OpenAPI.
• Build Intelligent Apps with .NET and DeepSeek R1 Today! – .NET Blog
• DeepSeek-R1 on Azure with LangChain4j Demo – Microsoft for Java Developers
• Using DeepSeek models in Microsoft Semantic Kernel | Semantic Kernel
• Iterate Across Multiple Files with GitHub Copilot Edits – Visual Studio Blog
• Introducing Leading the Shift, a new Microsoft Azure podcast | Microsoft Azure Blog

#fsharp #dotnet falco is awesome, check it out!

— jkone27 (@jkone27.bsky.social) 2025-01-30T13:53:23.160Z

Videos

• Spin up a Fullstack F# WebApp in 10 minutes with the CloudSeed Project Template
• Why I’m Ditching F# + Giraffe For Falco For Building WebApps
• 10 Most Important Engineering Lessons Learned from 10 Years of Petabridge
• ASP.NET Community Standup – .NET Aspire Q&A
• .NET AI Community Standup – Generative AI for Beginners: .NET Edition
• Silk.NET Community Meeting & API Review
• .NET API Review

Blogs

• FP-style breadth-first search | Compositional IT
• F#un with Advent Of Code 2024 day 1 – Informedica

F# vNext

• Falco v5.0.0

Latest News: #fsharp 's Benevolent Dictator splits his Approved-in-Principle power through his newly formed "Language Design Squad". I couldn't have found a better name for this, but maybe a cooler headline: "Lame-duck president appoints two new staff positions" 😉 Monday morning joke 4 sure 🙏❤️

— SchlenkR (@schlenkr.bsky.social) 2025-01-27T09:57:53.929Z

Highlighted projects

• pimbrouwers/Falco: A toolkit for building fast and functional-first web applications using F#.
• CuminAndPotato/PXL-Api: APIs for writing PXL-Apps

New Releases

• Falco 5.0.0
• Falco.Htmx 1.0.0
• Falco.OpenApi 1.0.0
• Rider 2025.1 EAP 2
• Fling.Interop.Facil 0.3.1
• Fling 0.7.1
• Prime 10.1.0
• Oxpecker.Solid 0.4.3
• Oxpecker.Solid.FablePlugin 0.4.3
• DynamicObj.Immutable 7.0.0
• DynamicObj 7.0.0
• Fable.AST 4.6.0
• FunicularSwitch.Generators.FluentAssertions 1.3.0
• FunicularSwitch.Generators 4.2.0
• Fable 5.0.0-alpha.9
• Funogram.Telegram 8.2.0
• Felicity 0.23.1

CloudSeed now runs on an F# + Falco web server.Here's why I moved from Giraffe to Falco – https://hamy.xyz/blog/2025-01_ditching-giraffe-for-falco #fsharp

— Hamilton Greene (@sirhamy.bsky.social) 2025-01-29T07:21:02.480Z

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

• New members of F# Language Design squad
• Announcing a free GitHub Copilot for Visual Studio – Visual Studio Blog
• The ReSharper and Rider 2024.3.4 Bug-Fix Updates Are Now Available | The .NET Tools Blog
• The Early Access Program for Rider 2025.1 Is Now Open! | The .NET Tools Blog
• Improve the “R” in RAG and embrace Agentic RAG in Azure SQL – Azure SQL Devs’ Corner
• Guest Blog: Creative Writing Assistant – a multi-agent app sample with Semantic Kernel & .NET Aspire | Semantic Kernel
• WinForms: Analyze This (Me in Visual Basic) – .NET Blog
• AutoGen reimagined: Launching AutoGen 0.4 | AutoGen Blog

📢 @jetbrains.com #Rider 2025.1 EAP 1 is available! ⚠️ Enhanced .NET exception breakpoint configuration 🤩📁 New Files View in Solution Explorer🦾 Automatic child processes attachment for the .NET debuggerRead more about it blog.jetbrains.com/dotnet/2025/…

— Laurent Kempé 🚀 (@laurentkempe.com) 2025-01-17T16:30:48.180Z

Videos

• Oxpecker: Performance walkthrough – YouTube
• .NET Data Community Standup – Context pooling, FromSql and compiled queries – YouTube
• ASP.NET Community Standup – Security & Auth .NET 10 planning discussion – YouTube
• .NET API Review – YouTube
• Fusion Cache in C# – Removal, Expiration, and FailSafe Cache Operations – YouTube

Blogs

• Micro optimizing F# code with a dash of imperative code · Mathias Brandewinder blog
• Three years later | Backwards Incompatibilities
• Mastering Results: How to handle domain errors elegantly | Compositional IT
• Spin up a Fullstack F# WebApp in 10 minutes with the CloudSeed Project Template
• Why I’m Ditching F# + Giraffe For Falco For Building WebApps

F# vNext

• A thank you to the F# language design community · Issue #1403 · fsharp/fslang-suggestions
• Hot Reload · Issue #11636 · dotnet/fsharp

Highlighted projects

• MecuSorin/FSharp.FsxConfig: Simple tool that allows using FSharp script files .fsx as configurations for applications
• bjartwolf/fsharpnull: Point free stuff gives nullpointer when referenced from another assembly which is a console app with no explicit main method.
• EluciusFTW/SpectreCoff: A thin, opinionated wrapper around Spectre.Console in F#.
• cmeeren/Fling: Fling significantly reduces boilerplate needed to efficiently save/load complex domain entities to/from multiple tables.

New Releases

• SwaggerProvider 2.2.2
• FSharp.TypeProviders.Templates 8.1.0
• Funogram.Telegram 8.2.0
• Felicity 0.23.1
• Akka.FSharp 1.5.37
• Fable 5.0.0-alpha.7
• FS.FluentUI 2.3.0
• SqlHydra.Cli 2.6.0
• ZML 1.1.3
• FusionCache v2

Not a single unit sold yet, but: we make huge steps towards our PXL-cloud, because we can now mirror the display of the real #pxlclock and stream it to the browser 🙂 It’s don’t using a #dotnet #SignalR server programmed in #fsharp – #typescript frontend…

— (@schlenkr.bsky.social) 2025-01-23T19:25:27.895Z

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

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