FluentValidation 8.0.0-preview4

Prefix Reserved
.NET Standard 1.1 This package targets .NET Standard 1.1. The package is compatible with this framework or higher. .NET Framework 4.5 This package targets .NET Framework 4.5. The package is compatible with this framework or higher.
This is a prerelease version of FluentValidation.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package FluentValidation --version 8.0.0-preview4                

                    
                

            
NuGet\Install-Package FluentValidation -Version 8.0.0-preview4
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="FluentValidation" Version="8.0.0-preview4" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add FluentValidation --version 8.0.0-preview4                

                    
                

            
#r "nuget: FluentValidation, 8.0.0-preview4"
#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. 
// Install FluentValidation as a Cake Addin
#addin nuget:?package=FluentValidation&version=8.0.0-preview4&prerelease

// Install FluentValidation as a Cake Tool
#tool nuget:?package=FluentValidation&version=8.0.0-preview4&prerelease

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

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. 
.NET Core netcoreapp1.0 was computed.  netcoreapp1.1 was computed.  netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard1.1 is compatible.  netstandard1.2 was computed.  netstandard1.3 was computed.  netstandard1.4 was computed.  netstandard1.5 was computed.  netstandard1.6 is compatible.  netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net45 is compatible.  net451 was computed.  net452 was computed.  net46 was computed.  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 tizen30 was computed.  tizen40 was computed.  tizen60 was computed. 
Universal Windows Platform uap was computed.  uap10.0 was computed. 
Windows Phone wpa81 was computed. 
Windows Store netcore was computed.  netcore45 was computed.  netcore451 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 (2.5K)

Showing the top 5 NuGet packages that depend on FluentValidation:

Package Downloads
FluentValidation.DependencyInjectionExtensions

Dependency injection extensions for FluentValidation
FluentValidation.AspNetCore

AspNetCore integration for FluentValidation
MicroElements.Swashbuckle.FluentValidation

Swagger ISchemaFilter that uses FluentValidation validators instead System.ComponentModel based attributes.
Ocelot

Ocelot is an API gateway based on .NET stack.
Reo.Core.Validation

Package Description

GitHub repositories (234)

Showing the top 5 popular GitHub repositories that depend on FluentValidation:

Repository Stars
ardalis/CleanArchitecture
Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 9
abpframework/abp
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
aspnetboilerplate/aspnetboilerplate
ASP.NET Boilerplate - Web Application Framework
kgrzybek/modular-monolith-with-ddd
Full Modular Monolith application with Domain-Driven Design approach.
Sonarr/Sonarr
Smart PVR for newsgroup and bittorrent users.
Version Downloads Last updated
12.0.0-preview1 61,760 1/2/2025
11.11.0 12,380,193 11/16/2024
11.10.0 11,708,744 9/15/2024
11.9.2 18,227,068 6/10/2024
11.9.1 9,766,584 4/23/2024
11.9.0 25,727,439 12/21/2023
11.8.1 7,140,807 11/22/2023
11.8.0 7,894,334 10/19/2023
11.7.1 10,140,430 8/12/2023
11.7.0 115,043 8/11/2023
11.6.0 7,702,594 7/4/2023
11.5.2 17,207,044 4/7/2023
11.5.1 47,667,410 2/20/2023
11.5.0 2,446,227 2/13/2023
11.4.0 17,585,387 11/23/2022
11.3.0 3,305,024 11/10/2022
11.2.2 15,109,664 9/11/2022
11.2.1 21,483,643 8/28/2022
11.2.0 7,292,629 8/8/2022
11.1.1 613,245 8/6/2022
11.1.0 12,323,769 6/22/2022
11.0.3 3,303,759 6/10/2022
11.0.2 4,894,597 5/27/2022
11.0.1 6,326,920 5/7/2022
11.0.0 5,532,211 4/30/2022
10.4.0 19,051,918 3/11/2022
10.3.6 25,622,391 12/13/2021
10.3.5 3,088,015 11/30/2021
10.3.4 9,736,069 10/22/2021
10.3.3 11,367,435 8/24/2021
10.3.1 702,677 8/19/2021
10.3.0 8,031,768 7/9/2021
10.2.3 8,016,032 6/3/2021
10.2.2 443,146 6/1/2021
10.2.1 1,323,516 5/30/2021
10.2.0 366,657 5/28/2021
10.1.0 5,168,243 4/28/2021
10.0.4 4,091,679 4/17/2021
9.5.4 5,851,678 4/5/2021
9.5.3 3,934,161 3/15/2021
9.5.2 1,912,295 3/8/2021
9.5.1 6,567,184 2/11/2021
9.5.0 3,206,305 1/31/2021
9.4.0 2,995,214 1/14/2021
9.3.0 14,241,086 11/10/2020
9.3.0-preview3 38,681 10/19/2020
9.3.0-preview2 149,410 9/15/2020
9.3.0-preview1 13,261 8/26/2020
9.2.2 6,983,219 9/20/2020
9.2.1 29,472 9/19/2020
9.2.0 7,679,100 8/26/2020
9.1.3 1,012,100 8/19/2020
9.1.2 935,390 8/12/2020
9.1.1 660,683 8/8/2020
9.1.0 220,884 8/8/2020
9.0.1 5,293,643 7/14/2020
9.0.0-preview5 89,208 5/23/2020
9.0.0-preview4 141,047 4/22/2020
9.0.0-preview3 199,354 2/29/2020
9.0.0-preview2 32,264 2/21/2020
9.0.0-preview1 98,138 2/8/2020
8.6.3 6,954,430 8/28/2020
8.6.2 27,502,862 2/29/2020
8.6.1 12,479,872 12/28/2019
8.6.0 4,173,812 12/4/2019
8.5.1 3,761,641 11/2/2019
8.5.0 6,147,421 9/24/2019
8.5.0-preview5 68,917 9/1/2019
8.5.0-preview4 97,533 7/23/2019
8.5.0-preview3 31,668 7/10/2019
8.5.0-preview2 82,153 6/13/2019
8.5.0-preview1 60,579 5/10/2019
8.4.0 14,048,478 5/10/2019
8.3.0 3,955,183 4/24/2019
8.2.3 684,120 4/12/2019
8.2.2 1,038,442 4/5/2019
8.2.1 475,022 4/4/2019
8.2.0 1,059,266 3/26/2019
8.1.3 5,081,620 1/25/2019
8.1.2 2,326,278 12/18/2018
8.1.1 590,827 12/11/2018
8.1.0 724,812 12/6/2018
8.1.0-preview2 29,255 11/14/2018
8.1.0-preview1 27,704 10/14/2018
8.0.101 886,973 11/24/2018
8.0.100 3,922,973 9/4/2018
8.0.0 1,089,444 8/16/2018
8.0.0-rc1 53,457 7/24/2018
8.0.0-preview4 25,700 7/16/2018
8.0.0-preview3 24,230 7/13/2018
8.0.0-preview2 24,018 7/13/2018
7.6.105 1,677,748 8/11/2018
7.6.104 2,747,159 7/6/2018
7.6.103 1,282,201 6/16/2018
7.6.102 330,213 6/14/2018
7.6.101 76,432 6/13/2018
7.6.100 174,714 6/7/2018
7.6.0 396,004 6/1/2018
7.6.0-preview1 50,295 4/12/2018
7.5.2 3,836,583 3/16/2018
7.5.1 268,222 3/11/2018
7.5.0 743,967 2/26/2018
7.4.0 2,061,692 1/26/2018
7.3.4 1,072,830 1/2/2018
7.3.3 189,502 12/22/2017
7.3.2 73,479 12/21/2017
7.3.1 335,207 12/13/2017
7.3.0 113,127 12/13/2017
7.3.0-beta3 28,122 12/8/2017
7.3.0-beta2 46,320 11/20/2017
7.3.0-beta1 25,048 11/11/2017
7.2.1 2,822,462 10/24/2017
7.2.0 817,165 10/5/2017
7.2.0-beta3 41,448 9/5/2017
7.2.0-beta2 27,235 8/22/2017
7.2.0-beta1 23,492 8/19/2017
7.1.1 2,117,274 7/25/2017
7.1.0 549,822 6/28/2017
7.1.0-beta1 23,243 6/24/2017
7.0.3 748,171 6/7/2017
7.0.2 283,160 5/26/2017
7.0.1 87,524 5/23/2017
7.0.0 694,292 5/19/2017
7.0.0-beta3 27,870 5/1/2017
7.0.0-beta2 26,925 4/17/2017
7.0.0-beta1 24,485 4/7/2017
6.4.1 1,883,590 3/15/2017
6.4.1-beta1 23,605 3/13/2017
6.4.0 951,257 3/3/2017
6.4.0-rc4 146,196 2/13/2017
6.4.0-rc3 39,306 2/3/2017
6.4.0-rc2 39,584 1/30/2017
6.4.0-rc1 23,380 1/30/2017
6.4.0-beta9 90,898 11/21/2016
6.4.0-beta8 50,389 10/31/2016
6.4.0-beta7 24,009 10/28/2016
6.4.0-beta6 24,343 10/25/2016
6.4.0-beta5 23,921 10/24/2016
6.4.0-beta4 24,031 10/21/2016
6.4.0-beta3 70,964 7/4/2016
6.4.0-beta2 24,904 7/1/2016
6.4.0-beta10 23,113 1/30/2017
6.4.0-beta1 28,214 6/28/2016
6.3.4-alpha 413,806 6/1/2016
6.3.3-alpha 22,932 5/27/2016
6.2.1 5,168,799 2/26/2016
6.2.1-beta1 28,344 2/24/2016
6.2.0 165,769 2/22/2016
6.2.0-beta1 24,200 2/12/2016
6.1.0 413,800 1/18/2016
6.0.2 114,829 1/5/2016
6.0.1 39,187 1/5/2016
6.0.0 129,127 12/22/2015
5.6.2 1,526,468 5/29/2015
5.6.1 34,188 5/29/2015
5.5.0 1,181,177 10/31/2014
5.4.0 598,202 7/3/2014
5.3.0 103,780 5/27/2014
5.2.0 75,354 5/21/2014
5.1.0 1,006,251 3/11/2014
5.0.0.1 515,312 10/24/2013
4.0.0.1 294,023 7/18/2013
4.0.0 116,307 4/29/2013
3.4.6 405,239 8/30/2012
3.4.0 68,597 8/17/2012
3.3.1 87,745 3/30/2012
3.2.0 74,091 11/14/2011
3.1.0 52,668 7/30/2011
3.0.0.1 26,110 7/5/2011
3.0.0 45,252 6/25/2011
2.0.0 74,140 1/9/2011
1.3.0 300,497 1/7/2011

FluentValidation 8 is a major release. Please read the upgrade notes at https://fluentvalidation.net/upgrading-to-8
       
Changes in 8.0:
* Support validating only specific properties by path.
* Added OnFailure method
* Deprecated RuleFor(..).SetCollectionValidator in favour of RuleForEach(...).SetValidator
* IStringSource.GetString now takes a validation context instead of a model instance.
* Introduce PropertyValidatorOptions in order to clean up the IPropretyValidator interface.
* Moved the legacy ValidatorAttribute and AttributedValidatorFactory into a separate FluentValidation.Attributes package.
* Remove the pre-7.0 localization mechanism
* Remove the pre-7.0 methods for custom validation
* Removed many other deprecated methods

Full release notes can be found at https://github.com/JeremySkinner/FluentValidation/blob/master/Changelog.txt