F# Weekly #43, 2026 –Fable 5.24 and Ionide 8

F# Weekly #43, 2026 –Fable 5.24 and Ionide 8

Welcome to F# Weekly,

A roundup of F# content from this past week:

Microsoft News

• Bring Your Own Model to the GitHub Copilot SDK with C#
• Get Your .NET MAUI App Ready for Xcode 27
• Compare today’s code with an earlier commit – Visual Studio Blog
• Announcing TypeScript 7.1 Beta – TypeScript
• Visual Studio Code 1.143

Videos

• Introducing F#: Bringing the Simplicity of ML Programming to the World of .NET – Don Syme – 2004/12 – YouTube
• Gien Verschatse – Playing nice together how to use F# in a brownfield project – NewCrafts 2017 – YouTube
• Evelina Gabasova – Machine learning The F# way – NewCrafts 2015 – YouTube
• Krzysztof Cieslak – Hacking F# in JS ecosystem – NewCrafts 2017 – YouTube
• Mathias Brandewinder – Serverless F# with Azure Functions – NewCrafts 2017 – YouTube

Blogs

• Study notes: automatic differentiation (part 2) · Mathias Brandewinder blog
• Event Sourcing: Is our Projection Code fast enough? – Urs Enzler
• How does Fable 5.1 hide messages in images? — LessWrong

Highlighted projects

• fsprojects/fantomas: FSharp source code formatter
• fscheck/FsCheck: Random Testing for .NET
• giuliohome/DnsAutoSwitch: Windows service that keeps your LAN DNS on a primary server (AdGuard Home, Pi-hole) while it answers, and on a fallback otherwise. F#, .NET 10.
• AngelMunoz/Navs: A set of libraries that allow Router-like experiences for general purpose F# Apps

New Releases

• Ionide 8.0
• Fable.Core 5.6.0
• SageFs 0.6.927
• Fable 5.24.0
• fsharp-analyzers 0.41.0
• Farmer 1.9.34

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