FluentValidation 8.1.0-preview2
A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.
Showing the top 20 packages that depend on FluentValidation.
| Packages | Downloads |
|---|---|
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FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
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23 |
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FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
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20 |
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FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
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18 |
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FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
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17 |
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FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
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17 |
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FluentValidation.DependencyInjectionExtensions
Dependenecy injection extensions for FluentValidation
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17 |
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FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
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16 |
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FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
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16 |
FluentValidation 8 is a major release. Please read the upgrade notes at https://fluentvalidation.net/upgrading-to-8
Changes in 8.1:
- Add format support in message placeholders.
- Added support for overriding indexers for collection rules.
- Allow error codes to be used to override localization key in the Language Manager.
- Additional error details are now shown in the ShouldNotHaveValidationErrorFor test extension.
- Conditions defined with root-level When/WhenAsync/Unless/UnlessAsync are now only executed once (instead of once for each rule).
- Support Otherwise method chained from root-level When/WhenAsync/Unless/UnlessAsync.
- Minor wording changes to default English error messages.
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
.NET Framework 4.5
- System.Collections.Concurrent (>= 4.3.0)
- System.ComponentModel.Annotations (>= 4.4.1)
- System.ComponentModel.Primitives (>= 4.3.0)
- System.ValueTuple (>= 4.5.0)
.NET Standard 1.1
- NETStandard.Library (>= 1.6.1)
- System.Collections.Concurrent (>= 4.3.0)
- System.ComponentModel.Primitives (>= 4.3.0)
- System.ValueTuple (>= 4.5.0)
.NET Standard 1.6
- NETStandard.Library (>= 1.6.1)
- System.Collections.Concurrent (>= 4.3.0)
- System.ComponentModel.Annotations (>= 4.4.1)
- System.ComponentModel.Primitives (>= 4.3.0)
- System.ValueTuple (>= 4.5.0)
.NET Standard 2.0
- System.Collections.Concurrent (>= 4.3.0)
- System.ComponentModel.Annotations (>= 4.4.1)
- System.ComponentModel.Primitives (>= 4.3.0)
- System.ValueTuple (>= 4.5.0)
| Version | Downloads | Last updated |
|---|---|---|
| 12.1.1 | 19 | 12/12/2025 |
| 12.1.0 | 15 | 12/14/2025 |
| 12.0.0 | 14 | 12/12/2025 |
| 12.0.0-preview1 | 11 | 12/11/2025 |
| 11.12.0 | 18 | 12/14/2025 |
| 11.11.0 | 14 | 12/15/2025 |
| 11.10.0 | 14 | 12/18/2025 |
| 11.9.2 | 13 | 12/28/2025 |
| 11.9.1 | 14 | 12/11/2025 |
| 11.9.0 | 13 | 12/17/2025 |
| 11.8.1 | 13 | 12/28/2025 |
| 11.8.0 | 14 | 12/12/2025 |
| 11.7.1 | 12 | 12/15/2025 |
| 11.7.0 | 12 | 12/14/2025 |
| 11.6.0 | 15 | 12/13/2025 |
| 11.5.2 | 10 | 12/13/2025 |
| 11.5.1 | 12 | 12/12/2025 |
| 11.5.0 | 13 | 12/28/2025 |
| 11.4.0 | 14 | 12/28/2025 |
| 11.3.0 | 11 | 12/28/2025 |
| 11.2.2 | 11 | 12/13/2025 |
| 11.2.1 | 13 | 12/13/2025 |
| 11.2.0 | 13 | 12/25/2025 |
| 11.1.1 | 11 | 12/28/2025 |
| 11.1.0 | 12 | 12/22/2025 |
| 11.0.3 | 13 | 12/13/2025 |
| 11.0.2 | 13 | 12/14/2025 |
| 11.0.1 | 13 | 12/14/2025 |
| 11.0.0 | 18 | 12/27/2025 |
| 10.4.0 | 14 | 12/28/2025 |
| 10.3.6 | 11 | 12/21/2025 |
| 10.3.5 | 12 | 12/22/2025 |
| 10.3.4 | 14 | 12/18/2025 |
| 10.3.3 | 13 | 12/13/2025 |
| 10.3.1 | 19 | 12/28/2025 |
| 10.3.0 | 13 | 12/12/2025 |
| 10.2.3 | 11 | 12/11/2025 |
| 10.2.2 | 10 | 12/18/2025 |
| 10.2.1 | 15 | 12/11/2025 |
| 10.2.0 | 14 | 12/13/2025 |
| 10.1.0 | 10 | 12/28/2025 |
| 10.0.4 | 11 | 12/28/2025 |
| 9.5.4 | 17 | 12/18/2025 |
| 9.5.3 | 12 | 12/28/2025 |
| 9.5.2 | 10 | 12/09/2025 |
| 9.5.1 | 17 | 12/24/2025 |
| 9.5.0 | 14 | 12/13/2025 |
| 9.4.0 | 12 | 12/28/2025 |
| 9.3.0 | 10 | 12/28/2025 |
| 9.3.0-preview3 | 11 | 12/28/2025 |
| 9.3.0-preview2 | 9 | 12/28/2025 |
| 9.3.0-preview1 | 11 | 12/28/2025 |
| 9.2.2 | 19 | 12/14/2025 |
| 9.2.1 | 13 | 12/28/2025 |
| 9.2.0 | 11 | 12/20/2025 |
| 9.1.3 | 12 | 12/11/2025 |
| 9.1.2 | 14 | 12/13/2025 |
| 9.1.1 | 16 | 12/18/2025 |
| 9.1.0 | 12 | 12/20/2025 |
| 9.0.1 | 13 | 12/13/2025 |
| 9.0.0-preview5 | 14 | 12/23/2025 |
| 9.0.0-preview4 | 14 | 12/14/2025 |
| 9.0.0-preview3 | 12 | 12/18/2025 |
| 9.0.0-preview2 | 12 | 12/28/2025 |
| 9.0.0-preview1 | 8 | 12/28/2025 |
| 8.6.3 | 17 | 12/14/2025 |
| 8.6.2 | 11 | 12/25/2025 |
| 8.6.1 | 15 | 12/20/2025 |
| 8.6.0 | 14 | 12/15/2025 |
| 8.5.1 | 9 | 12/28/2025 |
| 8.5.0 | 17 | 12/14/2025 |
| 8.5.0-preview5 | 11 | 12/23/2025 |
| 8.5.0-preview4 | 12 | 12/13/2025 |
| 8.5.0-preview3 | 12 | 12/24/2025 |
| 8.5.0-preview2 | 12 | 12/18/2025 |
| 8.5.0-preview1 | 15 | 12/15/2025 |
| 8.4.0 | 16 | 12/16/2025 |
| 8.3.0 | 17 | 12/20/2025 |
| 8.2.3 | 13 | 12/20/2025 |
| 8.2.2 | 16 | 12/13/2025 |
| 8.2.1 | 14 | 12/20/2025 |
| 8.2.0 | 10 | 12/28/2025 |
| 8.1.3 | 14 | 12/20/2025 |
| 8.1.2 | 15 | 12/28/2025 |
| 8.1.1 | 15 | 12/28/2025 |
| 8.1.0 | 14 | 12/28/2025 |
| 8.1.0-preview2 | 10 | 12/28/2025 |
| 8.1.0-preview1 | 8 | 12/28/2025 |
| 8.0.101 | 15 | 12/14/2025 |
| 8.0.100 | 9 | 12/28/2025 |
| 8.0.0 | 11 | 12/13/2025 |
| 8.0.0-rc1 | 11 | 12/28/2025 |
| 8.0.0-preview4 | 17 | 12/22/2025 |
| 8.0.0-preview3 | 13 | 12/25/2025 |
| 8.0.0-preview2 | 13 | 12/28/2025 |
| 7.6.105 | 16 | 12/21/2025 |
| 7.6.104 | 20 | 12/24/2025 |
| 7.6.103 | 15 | 12/18/2025 |
| 7.6.102 | 15 | 12/15/2025 |
| 7.6.101 | 14 | 12/28/2025 |
| 7.6.100 | 15 | 12/13/2025 |
| 7.6.0 | 10 | 12/21/2025 |
| 7.6.0-preview1 | 12 | 12/14/2025 |
| 7.5.2 | 18 | 12/13/2025 |
| 7.5.1 | 10 | 12/20/2025 |
| 7.5.0 | 12 | 12/25/2025 |
| 7.4.0 | 13 | 01/03/2026 |
| 7.3.4 | 15 | 12/18/2025 |
| 7.3.3 | 14 | 12/28/2025 |
| 7.3.2 | 16 | 12/14/2025 |
| 7.3.1 | 12 | 12/15/2025 |
| 7.3.0 | 10 | 12/28/2025 |
| 7.3.0-beta3 | 12 | 12/28/2025 |
| 7.3.0-beta2 | 18 | 12/21/2025 |
| 7.3.0-beta1 | 12 | 12/28/2025 |
| 7.2.1 | 14 | 12/20/2025 |
| 7.2.0 | 13 | 12/28/2025 |
| 7.2.0-beta3 | 13 | 12/28/2025 |
| 7.2.0-beta2 | 14 | 12/28/2025 |
| 7.2.0-beta1 | 15 | 12/28/2025 |
| 7.1.1 | 14 | 12/15/2025 |
| 7.1.0 | 11 | 12/28/2025 |
| 7.1.0-beta1 | 15 | 12/18/2025 |
| 7.0.3 | 13 | 12/28/2025 |
| 7.0.2 | 11 | 12/28/2025 |
| 7.0.1 | 13 | 12/12/2025 |
| 7.0.0 | 15 | 12/14/2025 |
| 7.0.0-beta3 | 14 | 12/17/2025 |
| 7.0.0-beta2 | 19 | 12/24/2025 |
| 7.0.0-beta1 | 17 | 12/15/2025 |
| 6.4.1 | 14 | 12/20/2025 |
| 6.4.1-beta1 | 12 | 12/28/2025 |
| 6.4.0 | 11 | 12/18/2025 |
| 6.4.0-rc4 | 18 | 12/28/2025 |
| 6.4.0-rc3 | 11 | 12/28/2025 |
| 6.4.0-rc2 | 11 | 12/28/2025 |
| 6.4.0-rc1 | 16 | 12/28/2025 |
| 6.4.0-beta9 | 13 | 12/18/2025 |
| 6.4.0-beta8 | 13 | 12/28/2025 |
| 6.4.0-beta7 | 20 | 12/13/2025 |
| 6.4.0-beta6 | 17 | 12/13/2025 |
| 6.4.0-beta5 | 12 | 12/28/2025 |
| 6.4.0-beta4 | 14 | 12/28/2025 |
| 6.4.0-beta3 | 14 | 12/27/2025 |
| 6.4.0-beta2 | 11 | 12/28/2025 |
| 6.4.0-beta10 | 17 | 12/28/2025 |
| 6.4.0-beta1 | 15 | 12/13/2025 |
| 6.3.4-alpha | 15 | 12/28/2025 |
| 6.3.3-alpha | 16 | 12/23/2025 |
| 6.2.1 | 16 | 12/14/2025 |
| 6.2.1-beta1 | 12 | 12/28/2025 |
| 6.2.0 | 11 | 12/13/2025 |
| 6.2.0-beta1 | 10 | 12/28/2025 |
| 6.1.0 | 11 | 01/08/2026 |
| 6.0.2 | 13 | 12/14/2025 |
| 6.0.1 | 15 | 12/09/2025 |
| 6.0.0 | 16 | 12/14/2025 |
| 5.6.2 | 15 | 01/05/2026 |
| 5.6.1 | 11 | 12/14/2025 |
| 5.5.0 | 16 | 12/14/2025 |
| 5.4.0 | 12 | 01/12/2026 |
| 5.3.0 | 10 | 01/13/2026 |
| 5.2.0 | 20 | 12/14/2025 |
| 5.1.0 | 17 | 12/11/2025 |
| 5.0.0.1 | 10 | 12/28/2025 |
| 4.0.0.1 | 10 | 12/28/2025 |
| 4.0.0 | 14 | 12/10/2025 |
| 3.4.6 | 12 | 12/14/2025 |
| 3.4.0 | 20 | 12/14/2025 |
| 3.3.1 | 12 | 12/14/2025 |
| 3.2.0 | 19 | 12/14/2025 |
| 3.1.0 | 15 | 12/12/2025 |
| 3.0.0.1 | 16 | 12/12/2025 |
| 3.0.0 | 14 | 12/20/2025 |
| 2.0.0 | 13 | 12/29/2025 |
| 1.3.0 | 18 | 12/13/2025 |