Welcome to F# Weekly,
A roundup of F# content from this past week:
News
Microsoft News
- Migrate your Semantic Kernel and AutoGen projects to Microsoft Agent Framework Release Candidate | Semantic Kernel
- Microsoft Agent Framework Reaches Release Candidate | Microsoft Foundry Blog
- Custom Agents in Visual Studio: Built in and Build-Your-Own agents – Visual Studio Blog
- What’s new in Microsoft Foundry | Dec 2025 & Jan 2026 | Microsoft Foundry Blog
Videos
Blogs
- (Re) Introducing the Clef Language | SpeakEZ Technologies
- To vibe code, or not to vibe code? | by Vladimir Shchur
Highlighted projects
- WillEhrendreich/SageFs: Sage Mode for F# development — reactive REPL with Elm Architecture, multi-frontend support, and session management
- SchlenkR/pxl-clock: The official PXL-Clock Repo
- fsprojects/LocSta: An F# library for composing state-aware functions by @SchlenkR
- jkone27/FSharp.Data.Mutator: Enables to create copies (similar to lenses) to generated FSharp.Data types (json only for now)
- Tarmil/FSharp.Aspire.Hosting: Package to create Aspire App Hosts in F#
- TheFellow/fkyeah – F# implementation of the StrongDM Attractor spec — a DOT-based pipeline runner that orchestrates multi-stage AI workflows using directed graphs.
- jonas1ara/Fitch: A fast, cross-platform system information tool written in F#
- AndrewIOM/bristlecone: An F# library for mechanistic modelling of ecological time series data
- B2R2-org/FsOptParse: A single-file FSharp-based command line argument parsing
New Releases
- fitch 2.0.0
- FCQRS.Model 5.6.4
- Xanthos 0.2.0
- Fable.Electron 40.6.0
- Numerics.NET.FSharp 10.3.0
- FSharp.Foldl 1.1.1
- FSharp.Data 6.7.0
- FSharp.Control.AsyncSeq 3.3.1
- FSharp.Data.Mutator 0.2.0
- SimpleDiff 0.2.0
- Bristlecone 3.0.0
- Hedgehog.Stateful 1.0.0
- FSharp.Azure.Quantum 1.3.9
- CCFSharpUtils 0.1.34
- FSharp.Analyzers.SDK 0.36.0
- B2R2.FsOptParse 0.7.1
That’s all for now. Have a great week.
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