Sergey Tihon's Blog

Welcome to F# Weekly,

A roundup of F# content from this past week:

Microsoft New

• Today I will… Modernize a .NET application – Visual Studio Blog
• Aspire 13.5: Fresh pixels and better workflows | Aspire Blog

Videos

• Continuous AI: CI/CD for the Software Factory
• GitHub Agentic Workflows Explained – Don Syme, GitHub Next
• .NET AI Community Standup: Routing & Failover for Microsoft.Extensions.AI

Blogs

• Where the Compiler Stops — Ben Copeland
• How to fully leverage Oxpecker (or at least use IResult)? — Vladimir Shchur
• Loïc Denuzière: Bolero 0.25 released — .NET 10 support arrives for F# Blazor
• Angel Munoz: Mibo 4.3.0 — signals for simulation and derived-data games (RPGs, TDs)

Highlighted projects

• mrange/FsDistanceField2 — Computes distance field from images – Codeberg.org
• Neftedollar/orleans-fsharp — Idiomatic F# for Microsoft Orleans: define grains with computation expressions, streaming, event sourcing, and transactions. Orleans 10.2.1 parity, 1700+ tests.
• WillEhrendreich/SageFs — Sage Mode for F# development: REPL with solution/project loading, live testing, hot reload, and MCP server support.
• warp-11/warp-11 — An F# HDL that runs on real FPGAs — one source drives the cycle-accurate simulator, step-through debugger, emitted Verilog, and Rust driver seam.
• Azizs2162/fyper — Build type-safe Cypher queries in F# with plain records, query expressions, and automatic parameterization (Neo4j / Apache AGE).
• HelgeSverre/fedit — A small terminal text editor written in F# with multi-buffer, undo/redo, find, command palette, system clipboard, and seven themes.

New Releases

• NBomber 6.6.0
• FSharp.Idioms 1.5.17
• FS.GG.UI.Scene 0.27.0
• AngouriMath.FSharp 2.2.0
• Oxpecker.Solid.FablePlugin 1.1.0
• Orleans.FSharp 4.1.0
• HtmlTypeProvider 0.9.1
• FsMcp.Core 2.0.0
• Swate.Components 2.1.0
• FsLiveDocs 0.3.7
• FsHcl 0.7.2
• DbFlow 0.12.0
• CommandTree 0.8.1
• Mibo 4.3.0

Mibo Framework 4.3.0 is out!This contains general fixes and improvementsit also brings "signals" to game dev programming for heavy simulation and derived data games (e.g. RPGs, TDs)#dotnet #fsharp #monogame #raylib

— Angel Munoz (@tunaxor.me) 2026-08-16T20:45:41.386Z

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

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# in .NET 11 Preview 7 — Release Notes
• Core Framework v3 4.0.0 [2026 August 14] | xUnit.net

I need .Net 11 now! 😀#fsharp #dotnet

— Urs Enzler (@ursenzler.bsky.social) 2026-08-12T13:54:53.971Z

Microsoft News

• .NET 11 Preview 7 is now available!
• .NET and .NET Framework August 2026 servicing releases updates
• Routing and Failover for Microsoft.Extensions.AI
• Instructions Hygiene – What Frontier Models Still Need You to Say
• Announcing Windows App Development CLI v0.6.0

Videos

• .NET AI Community Standup: MCP C# SDK 2.0: Building the Next Generation of .NET AI Agents
• ASP.NET Community Standup: What’s new in .NET 11 Preview 7?

Highlighted projects

• cardamomcode/paketabot — The dependency bot that speaks Paket.
• HelgeSverre/fsdb — A MySQL-compatible database server in idiomatic F# with wire protocol, FParsec SQL grammar, and DU-based relational algebra.
• toro-ml/toro — PyTorch semantics in idiomatic F#, powered by TorchSharp — deep learning made functional.
• tommililja/Farse — Simple, explicit JSON parsing for F# using System.Text.Json.
• michaelglass/Falco.UnionRoutes — Type-safe routing with discriminated unions for the Falco web framework.

New Releases

• SageFs 0.6.276
• Ionide.Analyzers 0.16.0
• FSharpLint.Core 0.27.1
• dotnet-fsharplint 0.27.1
• Frank 7.3.3
• WoofWare.PawPrint 0.3.3
• Fable.Logging 1.0.0

Dependabot doesn’t support Paket projects, so I made PaketaBot. It runs in GitHub Actions and needs no hosted service. Written in F# and compiled with Fable github.com/cardamomcode… #fsharp #fablecompiler

— Dag Brattli (@dbrattli.bsky.social) 2026-08-13T16:57:17.146Z

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

Welcome to F# Weekly,

A roundup of F# content from this past week:

Microsoft News

• Strengthening NuGet Supply Chain Security: Reducing API Key Lifetime
• Test reporting in Microsoft.Testing.Platform: from red build to root cause
• Beyond Chat: live Speech-to-Text with Foundry Local and C#
• Building agent teams with Agent Framework, GitHub Copilot CLI and Squad | Microsoft Agent Framework

Videos

• .NET MAUI Community Standup: MAUI UI July Recap
• Higher-Order Patterns!! via… Subtypes? ft. Scala and F#

AI workflows in #fsharp! What #vide's README promised years ago: state-aware functions, now async, effectful and persistent – with a UI on top.- let! is a step, if is a branch, let is just a value- a run's state IS that nested let! tree- an AI can write, watch and steer them

— SchlenkR (@schlenkr.bsky.social) 2026-08-05T20:05:20.982376Z

Highlighted projects

• sebbejones/plinth — A local-first markdown notebook built with F# and Tauri: plain text notes, wiki-style links, and full-text search with no cloud required.
• HenryKovalevsky/Thuja — A minimalistic F# library to build terminal user interfaces.
• Neftedollar/FsLangMCP — An MCP server exposing F# compiler services (FsAutoComplete / Ionide) to AI agents.

New Releases

• Pulsar.Client 3.18.0
• FSharp.Data 8.2.0
• FSharp.TypeProviders.Templates 8.11.0
• SQLProvider 1.5.27
• SwaggerProvider 4.2.0
• Mibo 4.0.0
• WoofWare.Myriad.Plugins 11.0.3
• BlackFox.ColoredPrintf 2.0.1
• FsSpreadsheet 7.0.1
• FSharp.Azure.Quantum 1.4.7
• FsLangMcp 0.13.1
• FsMcp.Server 1.2.2
• linq2db.FSharp 6.4.0
• Farse 0.14.0
• ProcessKit 2.11.0
• Swate.Components 2.0.7
• Polars.FSharp 0.7.0
• Toro 0.1.3
• Oxpecker.Alpine 0.3.0

Mibo 4.0.0 is out!This release brings massing perf improvements in the default PBR Pipeline for 3D rendering making it GPU bound for both #raylib and #monogame backends.#dotnet #fsharp #gamedev

— Angel Munoz (@tunaxor.me) 2026-08-07T19:54:25.545Z

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

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• What’s new in 2.0 | Elmish Land

Microsoft News

• Announcing v2.0 of the official MCP C# SDK
• From generated code to trusted code with a unit-test agent
• Analyze MSBuild Binary Logs with Copilot in VS Code
• Discover Agent Skills from MCP servers in .NET | Microsoft Agent Framework
• Visual Studio July Update — Meet the New Agent, Powered by the GitHub Copilot SDK – Visual Studio Blog
• Building agent teams with Agent Framework, GitHub Copilot CLI and Squad | Microsoft Agent Framework

Friendly reminder that the F# unofficial discord exists and you should join if you're interested in the language and want to get help from time to time with it discord.gg/VyPK46fcz#dotnet #fsharp #programming #developers #webdev

— Angel Munoz (@tunaxor.me) 2026-07-24T05:57:14.791Z

Videos

• Enterprise AI Patterns for .NET Developers
• Xah Talk Show Ep810. on why ocaml fsharp are best langs. cpp worst.

Blogs

• Designing a C#-friendly Result type (not just an F# port) – Romain Deneau

Highlighted projects

• visorcraft/MongrelDB-FSharp — Pure F# client for MongrelDB – embedded and server database with SQL, vector search, full-text search, and AI-native retrieval
• adz/Axial — An F# library for typed results, explicit context, and async/task interop
• fable-hub/Fable.Reactive — Async Reactive (Rx) for F# and Fable
• dbrattli/Fable.Giraffe — Giraffe for Fable (Python, BEAM, and Node)
• RyushiAok/FsHcl — A typed HCL generation DSL for F#
• krymtkts/SnippetPredictor — A command-line predictor written in F# that suggests code snippets based on the input

New Releases

• Mibo 3.0.0
• BlackFox.MasterOfFoo 2.1.2
• WoofWare.Myriad.Plugins 11.0.3
• FSharp.ReactiveWpf 0.1.3
• FSharp.PureAnalyzer 0.3.2
• Fuuga 1.0.18
• SageTUI 0.9.7
• Euclid.Rhino 0.51.0
• Feather.Grpc 1.1.0
• Kawa.FSharp 0.4.0

Multi-room, AI decision trees, skills in placeIt's finally coming all together 😅. I almost close the gap with my original prototypeTest plays with my wife and two sons.#dotnet #fsharp #monogame #gamedev

— Angel Munoz (@tunaxor.me) 2026-07-29T02:53:15.751Z

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!

Welcome to F# Weekly,

A roundup of F# content from this past week:

Microsoft News

• Visual Studio Code 1.130
• Announcing a New Visual Manifest Editor in the WinApp VS Code Extension – #ifdef Windows
• CoreCLR Progress and the Mono Timeline for .NET MAUI

Videos

• ASP.NET Community Standup: What’s new in .NET 11 Preview 6?
• .NET AI Community Standup: What’s New: Agents, Local AI, and More! 🚀
• Creator of OCaml: Functional Programming, Formal Verification, Programming Languages | Xavier Leroy

#ocaml the greatest ancestor of #fsharp youtu.be/9Cswiqrq6So?…

— jkone27 (@jkone27.bsky.social) 2026-07-20T21:59:29.124Z

Highlighted projects

• fable-compiler/Fable — F# to JavaScript, TypeScript, Python, Rust and Dart compiler
• ionide/tree-sitter-fsharp — F# grammar for Tree-sitter
• AngelMunoz/Mibo — Write your Indie Games in F# — targets Raylib or MonoGame
• tw0po1nt/FsHttp.Studio — A VSCode extension that runs FsHttp requests from your F# scripts and renders the response richly – images, JSON, HTML, and more
• piaste/homebrew-character-creator — BG3 Homebrew character creator made with F# Bolero
• zest-ssg/zest — F#-powered static site generator with template-as-code and no Node.js required
• HelgeSverre/fedit — A small terminal text editor written in F# with multi-buffer, undo/redo, and seven themes

There's now a wonderful VSCode extension for #fshttp called "FsHttp.Studio": Run http queries with 1 click and get responses rendered beautifully in the editor.Thank you @tw0po1nt for putting effort and passion making #fsharp even better!github.com/tw0po1nt/FsHttp.Studiocc @sergeytihon.com

— SchlenkR (@schlenkr.bsky.social) 2026-07-22T07:15:11.139Z

New Releases

• Fable 5.13.0 & 5.12.0
• fable-lit-fullstack-template v3.2.0
• Mibo.Templates 3.1.1
• WoofWare.Myriad.Plugins 10.3.1
• CliWrap 3.10.3

🚀 fable-lit-fullstack-template v3.2.0 is released:🐈 Now includes a cross-platform desktop host with HMR fast refresh dev loop🐈 Fable.Lit UI + Serde.FS.Fable RPC for end-to-end type safety#fsharp @sergeytihon.com

— Jordan Marr (@jordanmarr.bsky.social) 2026-07-22T17:16:43.521Z

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!

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# in .NET 11 Preview 6 – Release Notes
• Angel D. Munoz: Mibo 3.0.0 released — MonoGame 3.8.5 with Vulkan and DX12 support

F# in .NET 11 Preview 6 – Release Notes #fsharp github.com/dotnet/core/…

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2026-07-19T06:49:12.257Z

Microsoft News

• .NET 11 Preview 6 is now available!
• CoreCLR Progress and the Mono Timeline for .NET MAUI
• Announcing .NET Modernization for Beginners
• Visual Studio Code 1.129
• Built-in Agent Skills Bring .NET and Azure Expertise into Visual Studio – Visual Studio Blog

Videos

• F# Tutorial: How to create a cool little ASCII table!
• Blazor Community Standup: Generative UI with AG-UI & A2UI
• .NET AI Community Standup: What’s New: Agents, Local AI, and More! 🚀
• Higher-Order Patterns!! via… Subtypes? ft. Scala and F#

Blogs

• Urs Enzler: Event Sourcing — Undo Set/Remove-Based Bi-Temporal Events (Part 13)
• Opining Upon Reflection – Clef Programming Language

Highlighted projects

• MoiraeSoftware/Myriad — Myriad is a code generator for F#
• ScottArbeit/Grace — Grace Version Control System written in F# with Orleans and cloud-native design
• zest-ssg/zest — F#-powered static site generator with template-as-code and no Node.js required
• HelgeSverre/fedit — A small terminal text editor written in F# with multi-buffer, undo/redo, and seven themes

I've just put Myriad inside a TypeProvider.“I felt myself on the edge of the world; peering over the rim into a fathomless chaos of eternal night.”- H.P. Lovecraft#fsharp

— Dave Thomas (@7sharp9.bsky.social) 2026-07-14T22:15:06.499Z

New Releases

• Argu 6.2.5
• Thoth.Json 13.0.0
• Fable 5.11.0
• FSharp.Interop.Dynamic 9.0.1
• SQLProvider 1.5.26
• Feliz.Bulma 3.1.0
• FsSpreadsheet.ExcelIO 7.0.0
• WoofWare.Myriad.Plugins 10.2.2
• WoofWare.Myriad.Plugins.Attributes 3.8.6
• Prime 11.5.2
• Nu 15.5.2
• Funogram 3.0.5
• BioFSharp 3.1.0
• HODI 2.3.0
• Mibo.Templates 3.0.0
• Fable.Logging 0.12.7

Mibo 3.0.0 is outThis release is quite minimal but does bring breaking change for MonoGame users.Mibo now supports MonoGame 3.8.5 which brings Vulkan and DX12 among other changes#dotnet #fsharp #monogame

— Angel Munoz (@tunaxor.me) 2026-07-18T20:43:27.350Z

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!

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• SharpLsp – Open Source C# and F# Language Server for VS Code, Zed, and More
• Deslop — Live MCP + LSP duplicate-code server for AI agents

Microsoft News

• Modernize .NET applications in the GitHub Copilot app
• Announcing TypeScript 7.0 – TypeScript
• Let’s Learn GitHub Copilot App – Free Virtual Training Event – Microsoft for Developers
• Visual Studio Code 1.128
• Agent Skills for .NET Is Now Released | Microsoft Agent Framework
• Don’t rewrite your CLI for agents – Microsoft for Developers

Videos

• Blazor Community Standup: WebMCP in Action with Blazor

Blogs

• Mathias Brandewinder: Drawing mountains: shadows
• Urs Enzler: Event Sourcing — Set-and-Remove-Based Bi-Temporal Events (Part 12)
• Faisal Waris: Optimizing a speech-to-speech model by porting it to ONNX

🚀 Fable 5.7.0 is officially live! 🎉This release brings massive performance upgrades under the hood for Python:- DU pattern matching: 6-10x speed up! 🏎️ – Sequences: 1.6x faster!#fsharp #fablecompiler

— Maxime (@mangelmaxime.bsky.social) 2026-07-10T15:16:58.880Z

Highlighted projects

• Neftedollar/FsLangMCP — MCP server that gives AI coding agents (Claude Code, Cursor, Copilot) real FCS/FSAC compiler intelligence for F#
• TheFellow/fkyeah — F# pipeline engine for multi-stage AI workflows and LLM orchestration
• tonyx/Sharpino — A little F# event-sourcing library.
• fwaris/Chroma_ONNX — FlashLabs Chroma to ONNX plus F# This workspace converts FlashLabs/Chroma-4B to ONNX and runs it from F# with ONNX Runtime.

New Releases

• Pulsar.Client 3.17.0
• Fable 5.7.0
• Mibo 2.0.0
• FsLexYacc 11.4.0
• FsLexYacc.Runtime 11.4.0
• Feliz.Recharts 5.1.1
• FsSpreadsheet 7.0.0
• FSharp.Idioms 1.5.11
• FSharp.Azure.Quantum 1.4.6
• Fun.OData.Query 3.1.0
• Songhay.Modules.Publications 10.0.0
• HtmlTypeProvider 0.9.0
• Sharpino.Templates 1.6.0
• ProcessKit 2.4.0
• FunStripe.Core 2.2.0
• Orleans.FSharp.Runtime 3.0.1
• TestPrune 5.0.0
• Fuuga 1.0.14
• Hegel 0.1.4

Mibo 2.0.0 has been released!Write your Indie Games in F# whether it is Turn Based, Platformer, FPS, RPG, 2D, 3D, Low poly etc…Target Raylib or MonoGame or even Headless to power your game server.#dotnet #fsharp #gamedev #monogame #raylib

— Angel Munoz (@tunaxor.me) 2026-07-09T00:55:00.767Z

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!

Welcome to F# Weekly,

A roundup of F# content from this past week:

Microsoft News

• .NET 8 and .NET 9 will reach End of Support on November 10, 2026
• MCP Beyond the Chat Window: Build Diagnostics in CI
• SkiaSharp 4.0 is here: announcing the first stable release
• Packaging and Package Identity for .NET apps with WinApp CLI on Windows
• Visual Studio Code 1.127
• Access GitHub Copilot in JetBrains – GitHub Copilot Is Now a Native Agent in JetBrains AI Assistant
• Visual Studio June Update – Track Your Usage, Trust Your Tools – Visual Studio Blog
• Automating your Visual Studio extension builds with GitHub Actions – Visual Studio Blog

Videos

• Xah Talk Show Ep800. learning fsharp with ai, walk dir. find string. call shell command.
• .NET AI Community Standup: Why Orleans for AI Agents
• .NET MAUI Community Standup: SkiaSharp 4 has arrived!
• .NET Day of Agentic Modernization 2026

Highlighted projects

• FidelityFramework/Composer: A compiler that brings F#’s elegance and precision to systems programming through MLIR and various backends
• Lanayx/Oxpecker: Backend and Frontend F# frameworks
• fs-fio/fio: 🪻 A Type-Safe, Purely Functional Effect System for F#
• tommililja/Farse: Simple, explicit JSON parsing for F# using System.Text.Json
• myowndb/myowndb: This is the code powering MyOwnDB. It is shared under the AGPL v3 license.
• It is developed with the F# language.

New Releases

Fable 5.5 is out 🎉This release have a strong focus on fixing bug for JavaScript/TypeScript targets.It is also trying to make writing cross-target code easier. Thanks to `Compiler.is*` target detection as an alternative to compiler directives.github.com/fable-compil…#fsharp #fablecompiler

— Maxime (@mangelmaxime.bsky.social) 2026-07-01T09:32:14.418Z

• Fable 5.5.0
• F# Tree-sitter 0.3.1
• Fuuga 1.0.12
• Prismatic 1.0.51
• Akka.FSharp 1.5.70
• Hedgehog 2.0.4
• WebSharper.Compiler 10.1.6.676
• Rezoom.SQL.Provider.SQLite 1.1.0
• PersistedConcurrentSortedList 10.1.301.3
• Euclid 0.42.0
• SQLProvider.PostgreSql 1.5.25
• Songhay.Modules 10.0.0
• FSharp.Compiler.SyntaxTreeX 43.12.204
• HeterogeneousCollections 1.1.5
• ShapeSifter 1.1.25
• Farse 0.12.4
• FSharp.Azure.Quantum 1.4.4
• FAkka.Akka.FSharp 1.5.69
• FAkka.Akkling 1.569.101.301
• FSharp.ReactiveWpf 0.0.13
• FSharp.Azure.Quantum.Topological 0.4.4
• Fss-lib.Builder 3.0.1
• FsLangMcp 0.12.1
• Numerics.NET.FSharp 10.6.0
• TestPrune.Falco 2.0.3
• Frank.Analyzers 7.2.1
• DotnetMatplotlib 0.0.9
• Orleans.FSharp 3.0.1
• CrawlSage 0.2.0
• Yog.FSharp 0.6.0
• Faket 0.1.0
• Hegel 0.1.3

Mibo v2.0.0-rc-001 is out!Docs, samples and most things have been updated, templates are wip and will likely land soon. #dotnet #fsharp #gamedev #monogame #raylib

— Angel Munoz (@tunaxor.me) 2026-07-02T05:39:39.627Z

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!

Welcome to F# Weekly,

A roundup of F# content from this past week:

In part 11 of my event sourcing series, I discuss consistency and why we don't use aggregates or dynamic consistency boundaries to solve it:www.planetgeek.ch/2026/06/23/e… #EventSourcing #dotnet #fsharp

— Urs Enzler (@ursenzler.bsky.social) 2026-06-23T08:20:00.650Z

Microsoft News

• AI-Powered MSBuild Investigation with the Microsoft Binlog MCP Server – .NET Blog
• Azure Functions MCP Extension: What’s New at Build 2026 – Azure SDK Blog
• Meet your agent harness and claw | Microsoft Agent Framework
• Visual Studio Code 1.126

Videos

• Avalonia 12 – Set Up Your Dev Environment in 9 Minutes
• ASP.NET Community Standup: Better AI for .NET developers with dotnet/skills
• .NET Data Community Standup: Temporal tables and constraints in SQL Server and PostgreSQL 18
• .NET AI Community Standup: Multi-Agent Apps with Aspire + MAF
• On .NET Live – An In-Depth Introduction to Agentics

Blogs

• Dag Brattli: Fable REPL now compiles F# to Erlang (BEAM)
• Urs Enzler: Event Sourcing — Aggregates, Dynamic Consistency Boundaries or What?
• SpeakEZ.tech: Between a Rocq and a Hard Case
• Tuomas Hietanen: FsLemming — Lemmings clone with F# MailboxProcessors
• Between Rocq & A Hard Case – Clef Programming Language

The Fable Repl has been updated to include BEAM, and now compiles F# code to Erlang 🥰 fable.io/repl/ #fsharp #fablecompiler

— Dag Brattli (@dbrattli.bsky.social) 2026-06-17T19:06:02.027Z

Highlighted projects

• MagnusOpera/FScript — Functional language interpreter, F#/ML inspired, with LSP support
• DataficationSDK/Verso — Extensible interactive notebook platform for .NET; runs in VS Code and the browser
• Thorium/FsLemming — Lemmings clone demonstrating F# message-passing MailboxProcessors
• AngelMunoz/Migrondi — Simple SQL migrations tool; 1.3.0 beta adds a GUI app and an MCP server

New Releases

• Fable.Core 5.1.0
• Navs 1.0.0
• NBomber 6.5.0
• WebSharper 10.1.6.676
• G-Research.FSharp.Analyzers 0.23.0
• FSharp.Analyzers.SDK 0.37.2
• Facil 3.0.0
• Fable.Python 5.3.0
• Frank 7.2.1
• Funogram.Telegram 10.1.0

F# Fable 5 + GitHub hosting! A few retro-spirit items:- Combination counting, how I learned to calculate as a kid: thorium.github.io/Kasino/- My 28-year-old 5-in-a-row ported: thorium.github.io/thomoku/- Cave-rocket clone: thorium.github.io/FsRocket/- Ice hockey: thorium.github.io/FsHockey/

— Tuomas Hietanen (@thoriumi.bsky.social) 2026-06-19T09:05:31.393Z

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!