# F# Weekly #40, 2025 - Microsoft Agent Framework (Preview)

**URL:** <https://forums.fsharp.org/t/f-weekly-40-2025-microsoft-agent-framework-preview/4922>\
**Category:** General\
**Tags:** news\
**Created:** [October 4, 2025, 8:29pm UTC](https://forums.fsharp.org/t/f-weekly-40-2025-microsoft-agent-framework-preview/4922 "2025-10-04T20:29:53Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**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:** [October 4, 2025, 8:29pm UTC](https://forums.fsharp.org/t/f-weekly-40-2025-microsoft-agent-framework-preview/4922/1 "2025-10-04T20:29:54Z")

</div>

Welcome to F# Weekly,

A roundup of F# content from this past week:

**News**

- [Introducing Microsoft Agent Framework (Preview): Making AI Agents Simple for Every Developer - .NET Blog](https://devblogs.microsoft.com/dotnet/introducing-microsoft-agent-framework-preview/)
- [Grok 4 is now available in Microsoft Azure AI Foundry | Microsoft Azure Blog](https://azure.microsoft.com/en-us/blog/grok-4-is-now-available-in-azure-ai-foundry-unlock-frontier-intelligence-and-business-ready-capabilities/)
- [Roadmap for AI in Visual Studio (October) - Visual Studio Blog](https://devblogs.microsoft.com/visualstudio/roadmap-for-ai-in-visual-studio-october/)
- [The $150 Secret Hiding in Plain Sight - Visual Studio Blog](https://devblogs.microsoft.com/visualstudio/unlock-vss-benefits-myvisualstudio/)
- [Visual Studio September Update - profiler agent, app modernization, and more - Visual Studio Blog](https://devblogs.microsoft.com/visualstudio/visual-studio-september-update/)
- [TypeScript 7 native preview in Visual Studio 2026 - Microsoft for Developers](https://developer.microsoft.com/blog/typescript-7-native-preview-in-visual-studio-2026)

**Videos**

- [Houston Haynes - Firefly - an F# compiler goes native to CPU, GPU and beyond - YouTube](https://www.youtube.com/watch?v=PXbg-NeAEoo)
- [Does F# need file-based apps - Amplifying FSharp](https://www.youtube.com/watch?v=dYWUIH46RB4)
- [ASP.NET Community Standup - Vibe coding a C# MCP server](https://www.youtube.com/watch?v=dje8EMF3Shc)
- [.NET MAUI Community Standup - Live from Prague with the .NET MAUI Team](https://www.youtube.com/watch?v=4EXGyCgVNp4)

[![](https://img.youtube.com/vi/PXbg-NeAEoo/maxresdefault.jpg "Houston Haynes - Firefly - an F# compiler goes native to CPU, GPU and beyond") ](https://www.youtube.com/watch?v=PXbg-NeAEoo)

**Blogs**

- [Unexpected Fusion - Houston Haynes](https://speakez.tech/blog/unexpected-fusion/)

[![](https://img.youtube.com/vi/dYWUIH46RB4/maxresdefault.jpg "Does F# need file-based apps") ](https://www.youtube.com/watch?v=dYWUIH46RB4&t=17s)

**F# Language Suggestions**

- [Request for Delegate Generic Parameter Erasure for Span\<T\> Operations · Issue #1447](https://github.com/fsharp/fslang-suggestions/issues/1447)
- [Allow the use of colon in all custom operators · Issue #1446](https://github.com/fsharp/fslang-suggestions/issues/1446)

**Highlighted projects**

- [speakeztech/CloudflareFS: Toolkit for building modern Cloudflare Solutions with F# and Fable Compiler](https://github.com/speakeztech/CloudflareFS)
- [G-Research/ShapeSifter: Type-safe datatype-generic programming for F](https://github.com/G-Research/ShapeSifter)
- [WyattTechnology/WAkka: F# interface for Akka.NET](https://github.com/WyattTechnology/WAkka)
- [DCPRevere/jade: F# Event Sourcing Library](https://github.com/dcprevere/jade)
- [cmeeren/Felicity: Boilerplate-free, idiomatic JSON:API for your beautiful, idiomatic F# domain model. Optimized for developer happiness.](https://github.com/cmeeren/Felicity)

**New Releases**

- [FsToolkit.ErrorHandling 5.1.0](https://www.nuget.org/packages/FsToolkit.ErrorHandling)
- [SqlBulkTools.FSharp 1.1.0](https://www.nuget.org/packages/SqlBulkTools.FSharp/)
- [FsHttp 15.0.3](https://www.nuget.org/packages/FsHttp)
- [Felicity 0.24.3](https://www.nuget.org/packages/Felicity)
- [Fesh 0.28.1](https://www.nuget.org/packages/Fesh)
- [Akka.FSharp 1.5.51](https://www.nuget.org/packages/Akka.FSharp)
- [ShapeSifter 1.1.16](https://www.nuget.org/packages/ShapeSifter)
- [Partas.AnimeJs 0.0.8](https://www.nuget.org/packages/Partas.AnimeJs)
- [Prime 11.1.4](https://www.nuget.org/packages/Prime)
- [FarNet.FSharpFar 5.1.4](https://www.nuget.org/packages/FarNet.FSharpFar)
- [WAkka 1.5.4](https://www.nuget.org/packages/WAkka)
- [WoofWare.FSharpAnalyzers 0.1.3](https://www.nuget.org/packages/WoofWare.FSharpAnalyzers)
- [WoofWare.PrattParser 0.2.5](https://www.nuget.org/packages/WoofWare.PrattParser)
- [WriteBetterTests.FsCheckSpy 1.0.0](https://www.nuget.org/packages/WriteBetterTests.FsCheckSpy)
- [Felicity 0.24.3](https://www.nuget.org/packages/Felicity)
- [Terminal.Gui 2.0.0-develop.4573](https://www.nuget.org/packages/Terminal.Gui/2.0.0-develop.4573)
- [Feliz.Template 5.0.0-rc.1](https://www.nuget.org/packages/Feliz.Template/5.0.0-rc.1)
- [Vitest 1.0.0-rc.1](https://www.nuget.org/packages/Vitest/1.0.0-rc.1)
- [Feliz 3.0.0-rc.1](https://www.nuget.org/packages/Feliz/3.0.0-rc.1)

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)