F# Weekly #15, 2026 – Akkling, FSharp.Data and RANSAC auto-tune

Welcome to F# Weekly,

A roundup of F# content from this past week:

Microsoft News

I love that FSharp.Data is being worked on again #fsharp github.com/fsprojects/F…

Jon Sagara (@jonsagara.com) 2026-04-07T15:00:35.292Z

Videos

Blogs

bonfire.mavnn.eu/pub/objects…So this is very much a work in progress (see me having to quote the post to add the hashtags…), but meet `fediverss` – a simple F# program that puts your static blog rss in the fediverse. #activitypub #fsharp #blog

Michael Newton (@mavnn.bonfire.mavnn.eu.ap.brid.gy) 2026-04-10T12:19:17.506Z

Highlighted projects

  • Neftedollar/FsMcp โ€” Idiomatic F# toolkit for building Model Context Protocol (MCP) servers and clients with type safety and computation expressions
  • MagnusOpera/FScript โ€” Functional language interpreter inspired by F#/ML, with type inference and LSP support
  • michaelglass/Falco.UnionRoutes โ€” Type-safe routing with discriminated unions for the Falco web framework
  • Neftedollar/ll-lang โ€” Statically typed functional language designed for LLM code generation with token-efficient syntax
  • jmeyerhoefer/Testify โ€” F# testing library with a deeply embedded DSL for quotation-based assertions and property-style checks

New Releases

Grab the #pxlclock VS Code extension ("PXL Clock), code your own pixogram in #csharp, and ping me here: I'll record it on the real hardware and post the video.Who makes the coolest one?VS Code: marketplace.visualstudio.com/items?itemName=pxlclock.pxl-clock#pxlclock #csharp #fsharp

SchlenkR (@schlenkr.bsky.social) 2026-04-05T17:33:08.495Z

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F# Weekly #14, 2026 – Serde.FS Brings Compile-Time RPC to F#

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

๐Ÿš€ Serde.FS alpha.9 โ€” Deterministic RPC for F#No reflection. No controllers.Just compileโ€‘time RPC clients + routing.Includes:โ€ข [<RpcApi>]โ€ข ASP.NET RPC serverโ€ข Deterministic JSON backendโ€ข Shared โ†’ Server โ†’ Client examplegithub.com/serde-fs/Ser… #fsharp #rpc #aot #serde #dotnet

Jordan Marr (@jordanmarr.bsky.social) 2026-03-23T00:23:57.049Z

Microsoft News

Videos

Blogs

Highlighted projects

  • ingted/FSharp.MCP.DevKit โ€” Experimental prototype of an F# development toolkit delivered via the Model Context Protocol (MCP).
  • WillEhrendreich/SageFs โ€” Sage Mode for F# development: REPL with solution loading, Live Testing, Hot Reload, and MCP server support
  • laurentlb/shader-minifier โ€” Minify and obfuscate GLSL or HLSL shader code; written in F#, used widely in the demoscene
  • DataficationSDK/Verso โ€” Extensible interactive notebook platform for .NET with F# support, runs in VS Code and the browser
  • Neftedollar/orleans-fsharp โ€” Idiomatic F# computation expressions for Microsoft Orleans โ€” full Orleans 10.0.1 parity

New Releases

#neovim version 0.12.0 is out! Almost exactly a year of hard work since 0.11.0.Huge thanks to everyone who worked on it, as well as to all Neovim users!Release: github.com/neovim/neovi…News: github.com/neovim/neovi…Changelog: github.com/neovim/neovi…Here are top 10 most liked features:

Neovim (@neovim.io) 2026-03-29T17:28:32.649Z

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F# Weekly #13, 2026 – Deedle 4.0 is out!

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

๐ŸŽ‰ Deedle 4.0.1 is out! The F# data frame library just got a massive update – new packages, new operations, better stats, performance wins, and many long-standing bugs squashed. A huge amount of community-originated requests in one release. Full notes ๐Ÿ‘‡github.com/fslaborg/Dee…#fsharp #dotnet

F# Online (@fsharponline.bsky.social) 2026-03-22T22:33:53.697Z

Microsoft News

Videos

Blogs

In FSAC repo, I'm getting great PRs closing 7 years old issue… from AI.AI slope? It's polished PR, adding code fix and set of tests for it. I wish I was getting such "slope" from #fsharp community for all those years… github.com/ionide/FsAut…

Krzysztof Cieslak (@kcieslak.io) 2026-03-24T16:52:51.661Z

Highlighted projects

New Releases

Might not be a huge audience here, but I wanted to announce that. FSharp.Data.Npgsql is now part of fsprojects, thanks to @dsyme for the nudge. This should make maintenance easier.. It's a #typeprovider wrapper in #fsharp for #postgres that allows you to just point your code at a database and [โ€ฆ]

Darren (@dplattsf.sfba.social.ap.brid.gy) 2026-03-27T17:41:03.000Z

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F# Weekly #12, 2026 – 11 years of Ionide ๐Ÿฅฐ

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

11 years ago Iโ€™ve made first commit on the project that would later be known as Ionide. A lot has changed over all those years, but one thing remains – the biggest value of the project has been meeting awesome people from F# community, many of whom Iโ€™m proud to call friends.#fsharp

Krzysztof Cieslak (@kcieslak.io) 2026-03-17T15:35:04.511Z

Microsoft News

Videos

Blogs

Highlighted projects

New Releases

First Repo Assisted release of SwaggerProvider is out #fsharp github.com/fsprojects/S… ๐ŸŽ‰๐Ÿค–

Sergey Tihon ๐Ÿฆ”๐Ÿฆ€ (@sergeytihon.com) 2026-03-22T19:45:35.427Z

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F# Weekly #11, 2026 – F# in .NET 11 Preview 2

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

F# in .NET 11 Preview 2 – Release Notes #fsharp github.com/dotnet/core/…

Sergey Tihon ๐Ÿฆ”๐Ÿฆ€ (@sergeytihon.com) 2026-03-14T09:42:27.657Z

Microsoft News

Videos

Blogs

๐Ÿ“– After four months of work, the book โ€œSafe Clean Architectureโ€ is now complete ๐ŸŽ‰๐Ÿ”— Check it out online.rdeneau.gitbook.io/safe-clean-a…#fsharp #free #e-book

(@romain-deneau.bsky.social) 2026-03-13T09:35:04.083Z

Highlighted projects

New Releases

Thatโ€™s all for now. Have a great week.

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F# Weekly #10, 2026 – Start Your Day With Code Thatโ€™s Better

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

Microsoft News

Videos

Blogs

Monads in #fsharp: A practical guide to understanding (and actually using) monads without drowning in heavy theory.jonas1ara.github.io/posts/monads…

(@jonas1ara.bsky.social) 2026-03-04T06:00:14.082Z

Highlighted projects

New Releases

The wait is over! Fable 5 Release Candidate is officially here.After a year of hard work from the community, we're bringing you:โœจ .NET 10 & F# 10 support๐Ÿ A massive Python update (now powered by a Rust core & PyPI!)๐ŸŒ Cleaner JS/TS Pojo bindingsfable.io/blog/2026/20…#fsharp #fablecompiler

Maxime (@mangelmaxime.bsky.social) 2026-03-03T17:18:15.697Z

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F# Weekly #9, 2026 – Crunching the Technical Debt with Repo Assist

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

Microsoft News

F# folk, with @nojaf.com we've added support for generating llms.txt to the fsdocs tool that's widely used by the F# community.We'll release it soon but if you have a chance to take it for a spin before please do.github.com/fsprojects/F…#fsharp

Don Syme (@dsyme.bsky.social) 2026-02-27T11:43:05.337Z

Videos

Blogs

Highlighted projects

New Releases

F# folk – I'm having some success using GitHub Agentic Workflows to automate some backlog maintenance work in some older F# community repos. FSharp.Data: github.com/fsprojects/F…FSharp.Control.AsyncSeq: github.com/fsprojects/F…It's helping me re-engage with the repos and clean things up.

Don Syme (@dsyme.bsky.social) 2026-02-22T10:29:52.124Z

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F# Weekly #8, 2026 – Boosting F# Libraries with Automated Agentic AI

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

Microsoft News

Videos

Blogs

Highlighted projects

Well, it's in the can! ๐Ÿค– #FPGA end-to-end compilation with bit width inference confirmed with #cleflang, including AMD/Xilinx bootstrapping the flash process in the back end #fsharp #ocaml #haskell #rust #dotnet

SpeakEZ.tech (@speakeztech.bsky.social) 2026-02-20T23:13:34.116Z

New Releases

I need to double (and tripple) check this but it seems like Giraffe on Beam is faster than .NET. Is it too good to be true? ๐Ÿ™ˆ At least the Python perf looks to be true ๐Ÿ˜† #fsharp #fablecompiler

Dag Brattli (@dbrattli.bsky.social) 2026-02-21T22:46:55.120Z

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F# Weekly #7, 2026 – .NET 11 Preview 1 & Rider 2026.1 EAP 3

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

Microsoft News

Next week @dsyme.bsky.social shows how agentic workflows can continuously improve #fsharp libraries.amplifyingfsharp.io/sessions/202…

(@amplifyingfsharp.io) 2026-02-10T11:59:34.636Z

Videos

Blogs

Highlighted projects

Perhaps not too impressive for now but this shows Giraffe (F#) running on the BEAM (Erlang Runtime) using Fable (WIP) #fablecompiler #fsharp

Dag Brattli (@dbrattli.bsky.social) 2026-02-11T20:24:17.335Z

New Releases

๐Ÿš€ EasyBuild.ShipIt 1.0.0 is out! ๐ŸŽ‰Automate your release chores. ShipIt parses your Conventional Commits to calculate versions, generate changelogs, and auto-open Release PRs! ๐Ÿ› ๏ธโœ… Auto Release PRs โœ… Monorepo readyStart shipping: ๐Ÿšขhttps://github.com/easybuild-org/EasyBuild.ShipIt#dotnet #fsharp

Maxime (@mangelmaxime.bsky.social) 2026-02-11T18:37:08.087Z

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