# F# Weekly #9 2025 - .NET 10 Preview 1

**URL:** <https://forums.fsharp.org/t/f-weekly-9-2025-net-10-preview-1/4321>\
**Category:** General\
**Tags:** news\
**Created:** [March 1, 2025, 4:35pm UTC](https://forums.fsharp.org/t/f-weekly-9-2025-net-10-preview-1/4321 "2025-03-01T16:35:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sergey\_tihon](https://yyz2.discourse-cdn.com/flex030/user_avatar/forums.fsharp.org/sergey_tihon/32/25_2.png) [@sergey\_tihon](https://forums.fsharp.org/u/sergey_tihon)\
**Post date:** [March 1, 2025, 4:35pm UTC](https://forums.fsharp.org/t/f-weekly-9-2025-net-10-preview-1/4321/1 "2025-03-01T16:35:38Z")

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Welcome to F# Weekly,

A roundup of F# content from this past week:

**News**

- [School of .NET](https://github.com/nrkno/dotnetskolen/blob/main/README_EN.md)
- [.NET 10 Preview 1 is now available! - .NET Blog](https://devblogs.microsoft.com/dotnet/dotnet-10-preview-1/)
- [.NET Aspire 9.1 is here with six great new dashboard features, and more! - .NET Blog](https://devblogs.microsoft.com/dotnet/dotnet-aspire-9-1/)
- [Let's Learn .NET: GitHub Copilot Event - .NET Blog](https://devblogs.microsoft.com/dotnet/lets-learn-dotnet-github-copilot-event/)
- [Rust in time! Announcing the Azure SDK for Rust Beta. 🎉 - Azure SDK Blog](https://devblogs.microsoft.com/azure-sdk/rust-in-time-announcing-the-azure-sdk-for-rust-beta/)
- [Claude 3.7 Now Available in GitHub Copilot for Visual Studio - Visual Studio Blog](https://devblogs.microsoft.com/visualstudio/claude-3-7-now-available-in-github-copilot-for-visual-studio/)
- [Terminal Chat now included in GitHub Copilot Free - Windows Command Line](https://devblogs.microsoft.com/commandline/terminal-chat-now-included-in-github-copilot-free/)
- [Announcing AI Shell Preview 2 - PowerShell Team](https://devblogs.microsoft.com/powershell/ai-shell-preview-2/)
- [Leverage vision in Copilot Chat - Visual Studio Blog](https://devblogs.microsoft.com/visualstudio/attach-images-in-github-copilot-chat/)
- [Dev Proxy v0.25 with automatic shut down and more](https://devblogs.microsoft.com/microsoft365dev/dev-proxy-v0-25-now-available-with-automatic-shut-down-and-simplified-configuration-management/)

[![](https://img.youtube.com/vi/VncMk8ryxV8/maxresdefault.jpg ".NET Previews Unboxed - .NET 10 Preview 1, C# 14, HybridCache, & More") ](https://www.youtube.com/watch?v=VncMk8ryxV8)

**Videos**

- [Using ApiStub.FSharp to integration test your ASP.NET APIs](https://www.youtube.com/watch?v=20T5G2LjoGo&ab_channel=AmplifyingFSharp)
- [.NET Aspire Community Standup - .NET Aspire 9.1 Release Party](https://www.youtube.com/watch?v=WnbDvuEjKaY&ab_channel=dotnet)
- [Let's Learn .NET - GitHub Copilot](https://www.youtube.com/watch?v=YGxqjbS4Fd8&ab_channel=dotnet)
- [.NET Previews Unboxed - .NET 10 Preview 1, C# 14, HybridCache, & More](https://www.youtube.com/watch?v=VncMk8ryxV8&ab_channel=dotnet)
- [.NET AI Community Standup - Exploring AI Templates for Visual Studio](https://www.youtube.com/watch?v=SZMhR5aPzqc&ab_channel=dotnet)
- [On .NET Live - Multi-agent workflow using Azure Durable Functions and Semantic Kernel](https://www.youtube.com/watch?v=-zsWfa4LfVY&ab_channel=dotnet)
- [Building Intelligent Apps with Semantic Kernel](https://www.youtube.com/watch?v=1Lvd_HyAm90&ab_channel=.NETFoundation)

**Blogs**

- [Building Functional .NET Applications: a Guide for Choosing between F# vs C# - InfoQ](https://www.infoq.com/articles/functional-dotnet-development/)
- [Async Commands with Avalonia FuncUi · Mathias Brandewinder blog](https://brandewinder.com/2025/02/19/async-commands-in-avalonia-funcui/)
- [Debouncing request in Feliz using custom hooks | Compositional IT](https://www.compositional-it.com/news-blog/feliz-use-debounced-hook/)
- [Using F# to build React apps: state management with Elmish | Compositional IT](https://www.compositional-it.com/news-blog/using-f-to-build-react-apps-state-management-with-elmish/)
- [Using F# to build React apps: npm packages | Compositional IT](https://www.compositional-it.com/news-blog/fsharp-react-series-npm/)
- [Using F# to build React apps: components and hooks with Feliz | Compositional IT](https://www.compositional-it.com/news-blog/fsharp-react-series-feilz/)
- [Using F# to build React apps: transpiling to JS with Fable | Compositional IT](https://www.compositional-it.com/news-blog/fsharp-react-series-fable/)

> **[Compositional IT (@compositional-it.com)](https://bsky.app/profile/compositional-it.com/post/3liw66dx24m24)**
>
> 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
> https://buff.ly/41dSlE9

**F# vNext**

- [ASP.NET Core Roadmap for .NET 10 · Issue #59443 · dotnet/aspnetcore](https://github.com/dotnet/aspnetcore/issues/59443)
- [Tryparse for union cases · Issue #1411 · fsharp/fslang-suggestions](https://github.com/fsharp/fslang-suggestions/issues/1411)

**Highlighted projects**

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

**New Releases**

- [FsEx 0.16.0](https://www.nuget.org/packages/FsEx)
- [MzIO 0.1.7](https://www.nuget.org/packages/MzIO)
- [Feat 0.2.1](https://www.nuget.org/packages/Feat)
- [SQLProvider 1.4.9](https://www.nuget.org/packages/SQLProvider)
- [FSharp.Aspire.Hosting.Orleans 9.0.0](https://www.nuget.org/packages/FSharp.Aspire.Hosting.Orleans)
- [FSharp.Aspire.Hosting.Azure 9.0.0](https://www.nuget.org/packages/FSharp.Aspire.Hosting.Azure)
- [FSharp.Aspire.Hosting.Aws 9.0.0](https://www.nuget.org/packages/FSharp.Aspire.Hosting.Aws)
- [FSharp.Aspire.Hosting.AppHost 9.0.0](https://www.nuget.org/packages/FSharp.Aspire.Hosting.AppHost)
- [FSharp.CommunityToolkit.Aspire.Hosting.Azure.StaticWebApps 9.0.0](https://www.nuget.org/packages/FSharp.CommunityToolkit.Aspire.Hosting.Azure.StaticWebApps)
- [Oxpecker.Solid 0.5.0](https://www.nuget.org/packages/Oxpecker.Solid)
- [Oxpecker.Solid.FablePlugin 0.5.0](https://www.nuget.org/packages/Oxpecker.Solid.FablePlugin)
- [Swate.Components 1.0.0-beta.27](https://www.nuget.org/packages/Swate.Components/1.0.0-beta.27)
- [FSharp.Core 9.0.300-beta.25079.4](https://www.nuget.org/packages/FSharp.Core/9.0.300-beta.25079.4)
- [FSharp.Compiler.Service 43.9.300-preview.25079.4](https://www.nuget.org/packages/FSharp.Compiler.Service/43.9.300-preview.25079.4)
- [FsToolkit.ErrorHandling 5.0.0-beta007](https://www.nuget.org/packages/FsToolkit.ErrorHandling/5.0.0-beta007)
- [WebSharper 6.1.9.513](https://www.nuget.org/packages/WebSharper/6.1.9.513)
- [WebSharper.Compiler 6.1.9.513](https://www.nuget.org/packages/WebSharper.Compiler/6.1.9.513)
- [WebSharper.Remarkable 8.0.0.512-beta2](https://www.nuget.org/packages/WebSharper.Remarkable/8.0.0.512-beta2)

> **[Bjørn Einar Bjartnes (@bjartnes.bsky.social)](https://bsky.app/profile/bjartnes.bsky.social/post/3lj3x2dmtqk2a)**
>
> 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!
> https://github.com/nrkno/dotnetskolen/blob/main/README\_EN.md

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](https://www.buymeacoffee.com/sergeytihon)!

[![Buy Me A Coffee](https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png)](https://www.buymeacoffee.com/sergeytihon)

&nbsp;

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**Author:** ![sarah54casiano](https://avatars.discourse-cdn.com/v4/letter/s/3bc359/32.png) [@sarah54casiano](https://forums.fsharp.org/u/sarah54casiano)\
**Post date:** [March 5, 2025, 10:40am UTC](https://forums.fsharp.org/t/f-weekly-9-2025-net-10-preview-1/4321/2 "2025-03-05T10:40:40Z")

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Hello,

Thanks for sharing this amazing information with us, your post is appreciated!

Best regards,  
Sarah

[MyCenturaHealths Org](https://www.mycenturahealths.com)
