F# Weekly #42, 2025 – Hi, Victor & .NET 10 RC2

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing .NET 10 Release Candidate 2 – .NET Blog
• Announcing the .NET Security Group – .NET Blog
• .NET and .NET Framework October 2025 servicing releases updates – .NET Blog
• Azure DevOps local MCP Server is generally available – Azure DevOps Blog
• PowerToys 0.95 is here: new Light Switch utility, faster Command Palette, and Peek with Spacebar – Windows Command Line

Write your own tiny programming system(s)! with Tomas Petricek

• TinyBASIC 3.1 – Commodore 64 BASIC and emulators
• TinyBASIC 3.2 – What you need to know about F#
• TinyBASIC 3.3 – Interpreter and step-by-step guide
• TinyML 2.1 – What you need to know about F#
• TinyML 2.2 – Language features and theory
• TinyML 2.3 – Interpreter and step-by-step guide
• TinySystems 1.1 – Why such a strange course topic?
• TinySystems 1.2 – Tiny systems as a methodology
• TinySystems 1.3 – Programming languages and systems
• TinySystems 1.4 – A taste of the F# language

Videos

• Func Prog Podcast Episode 12 – Almir Mesic
• Houston Haynes – Firefly – an F# compiler goes native to CPU, GPU and beyond
• ASP.NET Community Standup – Level up eShop with Blazor in .NET 10
• .NET Data Community Standup – Jeremy Miller shares his view on migrations and Marten
• On .NET Live | Infrastructure as Code with Pulumi

Blogs

• Guidance for .NET systems development – Tuomas Hietanen
• Using local LLMs from F# – Tuomas Hietanen
• ModelContextProtocol with FSharp (MCP with F#) – Tuomas Hietanen
• The SPEC Stack: A Proposal – Houston Haynes
• Victor: A Tool for Managing the SPEC Stack – Houston Haynes

Our Victor CLI tool is a play on words for the idea that Hugo templates should be fair game from bringing into the #fsharp framework. speakez.tech/blog/victor-…

— SpeakEZ.tech (@speakeztech.bsky.social) 2025-10-17T13:37:25.012Z

F# vNext

• Algebraic Effects · Issue #1449 · fsharp/fslang-suggestions

Highlighted projects

• Thorium/FunStripe.Sample: A complete, production-ready sample application and integration guide for the FunStripe library based on the existing Stripe payment processing patterns.
• Thorium/fabulousMauiTutorial: Android and iOS mobile application using .NET MAUI with Fabulous abstraction layer
• Thorium/WebsitePlayground: This is a nice sample-web-stack.
• speakeztech/CloudflareFS: Toolkit for building modern Cloudflare Solutions with F# and Fable Compiler
• alexzzzs/SharpParser.Core: A beginner-friendly, event-driven F# parsing library for language design and implementation.
• LiteracyFanatic/kensaku: Quick and easy search for Japanese kanji, radicals, and words

New Releases

• Farmer 1.9.23
• SwaggerProvider 2.3.2
• SharpParser.Core 1.3.0
• Akka.FSharp 1.5.54
• HeterogeneousCollections 1.0.14
• Prime 11.1.5
• WoofWare.Myriad.Plugins 9.0.3
• WoofWare.Expect 0.8.4
• Equinox.MessageDb 4.1.0
• FCQRS.Model 4.0.0
• FSharp.Idioms 1.4.38
• XParsec 0.2.3
• SharpVG 0.0.20
• Thoth.Json.Newtonsoft 0.3.3
• Thoth.Json.System.Text.Json 0.2.2
• Feliz.Bulma 4.1.0
• Feliz.Konva 0.0.5
• Fable.Jester4 0.34.0
• Fable.FastCheck4 0.34.0
• FS.FluentUI.Charts 1.0.0-beta02
• Kensaku.Core 0.1.0-preview.1
• Kensaku.Schema 0.1.0-preview.1
• FSharp.Core 10.0.100-rc2.25502.107
• FSharp.Compiler.Service 43.10.100-rc2.25502.107

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

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