Release notes

Please read the upgrade guide if you are moving from 9.x to 10.x

Changes in 10.4.0

• Allow use of "*" with RuleSetForClientSideMessagesAttribute and HttpContext.SetRulesetForClientsideMessages (#1912)
• Fix Azerbaijani language code (#1874)

Changes in 10.3.6

• Fix Azerbaijani language code (#1865)
• Setting DisableAutomaticValidation to true should prevent implicit validation running (#1868)
• Enable package validation (#1860)

Changes in 10.3.5

• Fixed issue with ValidateAndThrow not working in some scenarios where context creation requires type conversion (#1863).

Changes in 10.3.4

• Clientside messages shouldn't be generated for the lazy version of LessThanOrEqual/GreaterThanOrEqual (#1818)
• Remove enumable boxing in Empty/NotEmpty validators (#1823)

Changes in 10.3.3

• Remove class constraint from TestValidate (#1815)

Changes in 10.3.1

• Fix ScalePrecision error message when digits is calculated as negative (#1790)
• Shared conditions shouldn't rely on object hashcode for unique ID (#1810)

Changes in 10.3.0

• Update Russian, Thai, Azerbaijani error message translations (#1761, #1768, #1770)
• Deprecate the old test helper methods in favour of TestValidate.
• Deprecate OnFailure and OnAnyFailure callbacks.

Changes in 10.2.3

• Resolve issue with rulesets not cascading correctly to Inheritance Validators (#1754)

Changes in 10.2.2

• Add backwards compatibility overloads for the changes in 10.2.1 (#1752)

Changes in 10.2.1

• Optional internal type registration should work with AddFluentValidation as well as directly on the service collection (#1748)

Changes in 10.2.0

• Fix display name generation should be consistent between RuleForEach and RuleFor.ForEach (#1231)
• Allow AddFluentValidation to be called directly on IServiceCollection (#1726)
• Throw exception when calling ValidateAndThrow even if PreValidate prevents further validation (#1736)
• ValidationException now includes rule severity (#1733)
• Optionally support internal types when scanning assemblies for validators (#1742)
• Deprecate RunDefaultMvcValidationAfterFluentValidationExecutes in MVC configuration. Use DisableDataAnnotationsValidation instead.

Changes in 10.1.0

• Allow default severity level to be set globally (#1715)
• Extend use of variance into the internal API to resolve invalid cast exceptions in some scenarios (#1711)
• Fix clientside metadata being incorrectly generated for cross-property LessThanOrEqual/GreaterThanOrEqual (#1721)

Changes in 10.0.4

• Resolved an issue where async conditions were run synchronously when applied to synchronous property validators

Changes in 10.0.3

• Fix ArgumentOutOfRangeException when condition returns false for RuleForEach containing multiple components (#1698)

Changes in 10.0.2

• ErrorCode is now exposed on IRuleComponent

Changes in 10.0.1

• Add GetPropertyValue to IValidationRule to support #1688
• Context object is now strongly typed inside IValidationRule<T>.ApplyCondition/ApplyAsyncCondition for users of the internal API

Changes in 10.0.0

• Various performance improvements throughout the library
• Collection rules now only iterate the collection once
• Property validator classes are now generic
• Deprecated non-generic PropertyValidator.
• Changed type of ValidationResult.Errors from IList<ValidationFailure> to List<ValidationFailure>
• The internal API now uses generics.
• Various property validator options have been seperated into RuleComponents.
• Various parts of the internal API are now internal (PropertyRule, CollectionPropertyRule etc).
• ValidatorDescriptor now returns rule components in various places, where PropertyValidators were previously returned
• Default service lifetime in ASP.NET projects is now Scoped rather than Transient.
• Combined IActionContextValidatorInterceptor and IValidatorInterceptor.
• Changes to the ASP.NET Client Validator Adaptor interfaces. These now receive the rule component.
• Removed deprecated IStringSource and its inheritors.
• Removed deprecated FormattedMessageArguments from ValidationFailure.
• Removed other deprecated code.

Downloads

Binaries can be downloaded from nuget:

• FluentValidation - Main package
• FluentValidation.AspNetCore - ASP.NET Core integration