# F# Weekly #47, 2025 – F# 10 & last FsAdvent slots

**URL:** https://forums.fsharp.org/t/f-weekly-47-2025-f-10-last-fsadvent-slots/4976
**Category:** General
**Tags:** news
**Created:** [November 22, 2025, 9:31pm UTC](https://forums.fsharp.org/t/f-weekly-47-2025-f-10-last-fsadvent-slots/4976 "2025-11-22T21:31:58Z")
**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: [November 22, 2025, 9:31pm UTC](https://forums.fsharp.org/t/f-weekly-47-2025-f-10-last-fsadvent-slots/4976/1 "2025-11-22T21:31:58Z")

</div>

Welcome to F# Weekly,

A roundup of F# content from this past week:

**News**

- [Introducing F# 10 - .NET Blog](https://devblogs.microsoft.com/dotnet/introducing-fsharp-10/)
- [Introducing C# 14 - .NET Blog](https://devblogs.microsoft.com/dotnet/introducing-csharp-14/)
- [Introducing Major New Agentic Capabilities for GitHub Copilot in JetBrains and Eclipse - Microsoft for Java Developers](https://devblogs.microsoft.com/java/new-agentic-capabilities-for-github-copilot-in-jetbrains-and-eclipse/)
- [Introducing the Visual Studio Code Private Marketplace: Your Team's Secure, Curated Extension Hub 🎉](https://code.visualstudio.com/blogs/2025/11/18/PrivateMarketplace)
- [Develop Faster with VS Code for the Web - Azure Guide | All things Azure](https://devblogs.microsoft.com/all-things-azure/get-started-with-vs-code-for-the-web/)
- [Azure DocumentDB is Now Generally Available - Azure Cosmos DB Blog](https://devblogs.microsoft.com/cosmosdb/azure-documentdb-is-now-generally-available/)
- [Reinventing how .NET Builds and Ships (Again) - .NET Blog](https://devblogs.microsoft.com/dotnet/reinventing-how-dotnet-builds-and-ships-again/)
- [Supercharge Your Test Coverage with GitHub Copilot Testing for .NET - .NET Blog](https://devblogs.microsoft.com/dotnet/github-copilot-testing-for-dotnet/)
- [A step-by-step guide to modernizing .NET applications with GitHub Copilot agent mode - .NET Blog](https://devblogs.microsoft.com/dotnet/modernizing-dotnet-with-github-copilot-agent-mode/)
- [Unlocking the full power of Copilot code review: Master your instructions files - The GitHub Blog](https://github.blog/ai-and-ml/unlocking-the-full-power-of-copilot-code-review-master-your-instructions-files/)
- [Migrating from Microsoft Learn to aspire.dev | Aspire Blog](https://devblogs.microsoft.com/aspire/migrating-from-microsoft-learn-to-aspire-dev/)

> **[Sergey Tihon 🦔🦀 (@sergeytihon.com)](https://bsky.app/profile/sergeytihon.com/post/3m6272yhdps2q)**
>
> Only 4 slots left in the main timeline #fsharp #FsAdent
> 
> \[contains quote post or other embedded content\]

**Videos**

- [F# 10 - Amplifying FSharp](https://www.youtube.com/watch?v=NLis1us_050)
- [TinyProlog 5.1 - How logic programming works](https://www.youtube.com/watch?v=KC7A5QPi5Uo)
- [TinyProlog 5.2 - Structure, unification, resolution](https://www.youtube.com/watch?v=JQJNkRpvFGs)
- [TinyProlog 5.3 - F# tricks and step-by-step guide](https://www.youtube.com/watch?v=u05RcKFDmC4)
- [A Better Alternative to TypeScript? Meet Fable! - YouTube](https://www.youtube.com/watch?v=Z1cMBH4mWr4)
- [.NET Data Community Standup - EF 10 release celebration 🎉](https://www.youtube.com/watch?v=3Aqd_arD6Vo)
- [TUIs Are Back (Although They Never Left): Creating Modern CLI Apps in .NET.](https://www.youtube.com/watch?v=Z6e5ZP9y3_8)
- [State of the .NET Foundation and .NET Open Source](https://www.youtube.com/watch?v=sgm3jb8yCbc)
- [.NET AI Community Standup - Ignite Highlights + the Custom Avatar Deep Dive](https://www.youtube.com/watch?v=QLeFHFGLwa8)

[![](https://img.youtube.com/vi/NLis1us_050/maxresdefault.jpg "F# 10") ](https://www.youtube.com/watch?v=NLis1us_050)

**Blogs**

- [F# 10 Brings Performance Improvements - InfoQ](https://www.infoq.com/news/2025/11/fsharp-10-performance/)
- [What's New for C# 14 and F# 10 in .NET 10 -- Visual Studio Magazine](https://visualstudiomagazine.com/articles/2025/11/17/hats-new-for-c-14-and-f-10-in-net-10.aspx)
- [The Three Read Models of Event Sourcing (Benchmarked in F#) | by Tony Lucca | Nov, 2025 | Medium](https://medium.com/@tonyx1/the-three-read-models-of-event-sourcing-benchmarked-in-f-e0f5e5815d89)

**F# vNext**

- [[Poll] Consider changing the default of fsharp\_multiline\_bracket\_style · Issue #3200 · fsprojects/fantomas](https://github.com/fsprojects/fantomas/issues/3200)
- [byref and inref for loops · Issue #1453](https://github.com/fsharp/fslang-suggestions/issues/1453)
- [Propose new method invocation syntax: obj.Method.[|args|] and obj.Method.{|namedArgs|} · Issue #1452 ](https://github.com/fsharp/fslang-suggestions/issues/1452)
- [Support `UnsafeAccessorAttribute` · Issue #1451](https://github.com/fsharp/fslang-suggestions/issues/1451)

> **[Jon Sagara (@jonsagara.com)](https://bsky.app/profile/jonsagara.com/post/3m5ttct4eo22s)**
>
> Introducing F# 10 #fsharp https://devblogs.microsoft.com/dotnet/introducing-fsharp-10/

**Highlighted projects**

- [thinkbeforecoding/fulmin: A server and client library for Gemini protocole in F#. - Codeberg.org](https://codeberg.org/thinkbeforecoding/fulmin)
- [evgTSV/NRayUI: Library for creating UI based on Raylib binding](https://github.com/evgTSV/NRayUI)
- [AndrewIOM/bristlecone: An F# library for mechanistic modelling of ecological time series data](https://github.com/AndrewIOM/bristlecone)
- [starfederation/datastar-dotnet: Official Datastar Dotnet SDK.](https://github.com/starfederation/datastar-dotnet)
- [hedgehogqa/fsharp-hedgehog-experimental: Hedgehog with batteries included: Auto-generators, extra combinators, and more.](https://github.com/hedgehogqa/fsharp-hedgehog-experimental)
- [kullbom/dbflow: DbFlow is a library that helps with schema oriented database tasks](https://github.com/kullbom/dbflow)
- [AngelMunoz/Kipo: F# + MonoGame](https://github.com/AngelMunoz/Kipo)
- [mavnn/VisualInk: Writing visual novels using Ink from Inkle.](https://github.com/mavnn/VisualInk)
- [jkone27/FsharpWebApi: fsharp web api example](https://github.com/jkone27/FsharpWebApi)

**New Releases**

- [Giraffe.OpenApi 0.0.3](https://www.nuget.org/packages/Giraffe.OpenApi)
- [Jade.Marten 4.1.0](https://www.nuget.org/packages/Jade.Marten)
- [Hedgehog.Experimental 0.10.0](https://www.nuget.org/packages/Hedgehog.Experimental)
- [fulmin.server 0.1.1](https://www.nuget.org/packages/fulmin.server)
- [fulmin.client 0.1.1](https://www.nuget.org/packages/fulmin.client)
- [JDeck 1.0](https://github.com/AngelMunoz/JDeck/releases/tag/v1.0.0)
- [NRayUI 0.0.1](https://www.nuget.org/packages/NRayUI)
- [FSharp.SystemCommandLine 2.0.0](https://www.nuget.org/packages/FSharp.SystemCommandLine)
- [DbFlow 0.6.0](https://www.nuget.org/packages/DbFlow)
- [TableAPI 1.0.4.1](https://www.nuget.org/packages/TableAPI)
- [StarFederation.Datastar 1.1.2](https://www.nuget.org/packages/StarFederation.Datastar)
- [ProteomIQon.AddDeducedPeptides 0.0.3](https://www.nuget.org/packages/ProteomIQon.AddDeducedPeptides)
- [Partas.GitNet 1.1.2](https://www.nuget.org/packages/Partas.GitNet)
- [FSharpLint.Core 0.26.8](https://www.nuget.org/packages/FSharpLint.Core/0.26.8)
- [fslint 0.0.1](https://www.nuget.org/packages/fslint)
- [Bristlecone 3.0.0-beta1](https://www.nuget.org/packages/Bristlecone/3.0.0-beta1)
- [Feliz 3.0.0-rc.12](https://www.nuget.org/packages/Feliz/3.0.0-rc.12)
- [Fable 5.0.0-alpha.15](https://www.nuget.org/packages/Fable/5.0.0-alpha.15)

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

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