Fantomas.Core 8.0.1

dotnet add package Fantomas.Core --version 8.0.1
                    
NuGet\Install-Package Fantomas.Core -Version 8.0.1
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Fantomas.Core" Version="8.0.1" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Fantomas.Core" Version="8.0.1" />
                    
Directory.Packages.props
<PackageReference Include="Fantomas.Core" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Fantomas.Core --version 8.0.1
                    
#r "nuget: Fantomas.Core, 8.0.1"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Fantomas.Core@8.0.1
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Fantomas.Core&version=8.0.1
                    
Install as a Cake Addin
#tool nuget:?package=Fantomas.Core&version=8.0.1
                    
Install as a Cake Tool

Fantomas

Fantomas logo

GitHub Workflow Status (event) Discord Nuget (with prereleases) llms.txt llms-full.txt

An opinionated F# source code formatter.

dotnet tool install fantomas

Documentation is available at https://fsprojects.github.io/fantomas/docs/index.html

If you point a coding agent at Fantomas, give it llms.txt for an index of the documentation, or llms-full.txt for all of it in one file.

Contributing Guidelines

See the Contribution Guidelines and our contributors documentation

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (5)

Showing the top 5 NuGet packages that depend on Fantomas.Core:

Package Downloads
Myriad.Core

Core Myriad library used for developing plugins

Fantomas.Extras

Utility package for Fantomas

WoofWare.Whippet.Fantomas

Helpers for accessing Fantomas syntax trees.

Fabulous.AST

Fabulous.AST, an Abstract Syntax Tree (AST) Domain Specific Language (DSL) for F#.

Partas.Feliz.Generator

Package Description

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
8.0.1 29 9/21/2026
8.0.0 204 9/15/2026
8.0.0-beta-003 76 9/12/2026
8.0.0-beta-002 87 9/8/2026
8.0.0-beta-001 103 9/1/2026
8.0.0-alpha-026 152 8/29/2026
8.0.0-alpha-025 107 8/28/2026
8.0.0-alpha-024 93 8/28/2026
8.0.0-alpha-023 102 8/28/2026
8.0.0-alpha-022 112 8/27/2026
8.0.0-alpha-021 99 8/27/2026
8.0.0-alpha-020 104 8/27/2026
8.0.0-alpha-019 107 8/26/2026
8.0.0-alpha-018 104 8/26/2026
8.0.0-alpha-017 103 8/25/2026
8.0.0-alpha-016 104 8/25/2026
8.0.0-alpha-015 107 8/24/2026
8.0.0-alpha-014 112 8/20/2026
8.0.0-alpha-013 105 8/19/2026
7.0.6 2,178 8/19/2026
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### Fixed

- Remove TailCall shim from Fantomas.FCS. [#3476](https://github.com/fsprojects/fantomas/pull/3476)
- Fantomas 8 with use bindings in fsx-file. A `use` at the top level of a script makes the parser warn that it is treated as `let`, and the check Fantomas runs over its own output refused the file on that warning. The warning is about the source as the author wrote it, not about anything the formatter changed, so it is now one of the warnings the check tolerates. [#3478](https://github.com/fsprojects/fantomas/issues/3478)
- Unexpected de-indent after trivia after expression. A comment at the end of a `match` that closes a computation expression, or a `let` body, pushed the closing brace and the next binding one level too far to the right. The unindent before the closing line was placed in front of the comment's newline, where the `match` still held the column it had claimed and restored its own indent on the way out, undoing the unindent. The newline now moves past those restores, so the line after the comment starts at the outer level. [#3481](https://github.com/fsprojects/fantomas/issues/3481)