FluentValidation 7.6.0-preview1

Changes in 7.5.2:

• RuleSet method can now take multiple ruleset names by usinga comma-separated string.
• Make setters on ValidationFailure's properties public to allow for easier deserialization.
• Additional overload for OverridePropertyName that takes an expression.
• Add overload of Include that takes a func to lazily create the inner validator.
• Make error code resolution pluggable using ValidatorOptions.ErrorCodeResolver

Changes in 7.5.1:

• Resolved issues with referencing FluentValidation from legacy PCLs.
• Added support for CustomizeValidatorAttribute to the legacy WebApi integration for consistency with MVC5 and AspNetCore. Changes in 7.6:
• Update ASP.NET Core integration to ASP.NET Core 2.1

Changes in 7.5:

• Better handling of clientside messages when using custom overriden language resources
• Added flag in the ValidationContext's RootDataContext when a validator is invoked by the automatic MVC/WebApi integration
• Improvements to some of the validation tester's messages
• Added Transform method to transform property values prior to validation
• Improve support for DisplayAttribute / DisplayNameAttribute when inferring property display name
• New language translations (Slovak/Hebrew/Brazilian Portuguese)
• Cache display names by default
• Ensure ShouldHaveChildValidator test method works with model-level rules
• Removed netstandard1.0 support. Supported platforms are now netstandard1.1, netstandard2.0 and net45.

Changes in 7.4:

• Improved syntax for DependentRules
• ValidationException serialization support when running on full framework
• Added ComparisonProperty placeholder to some validators
• The Test Helper now correctly handles read-only properties
• Add CancellationToken support to ValidateAndThrowAsync and various ValidateAsync overloads
• Improved functionality for custom MessageBuilders
• Updated AspNetCore integration to MVC version 2.0.2
• Update MVC5 AddToModelState extension not to overwrite existing attempted values
• Added SetRulesetForClientsideMessages method for MVC5/AspNetCore as an alternative to using the RulesetForClientSideMessagesAttribute

Changes in 7.3:

• Major changes to AspNetCore integration including better support for collections and implicit validation (opt-in)
• Fix - Updated EnumValidator's Flags support to handle the ~0 value
• Fix - TestHelper checking for child validator would respond with the wrong type
• Fix - Updated translations for some validators
• Fix - Overload of WithName that takes a lambda generated an exception
• Added versions of WhenAsync and UnlessAsync that support CancellationTokens
• Simplify calls to DependentRules
• Add Skip property to CustomizeValidatorAttribute in the ASP.NET Core integration

Changes in 7.2:

• Updated AspNetCore integration to support IValidatableObject
• Updated AspNetCore integration to allow mixing multiple validation strategies in the same model
• Updated AspNetCore integration to support RulesetForClientsideMessagesAttribute
• Fix - Property names were not generated properly for nested types when using AddFailure inside a Custom validator
• Fix - NullReferenceException when using CustomAsync but the validator is invoked synchronously
• Fix - Clientside integration in AspNetCore being resolved from the root-level service provider
• Fix - Allow empty string to be passed to OverridePropertyName

Changes in 7.1.1:

• Fix - Incorrect property name was generated when using RuleForEach combined with SetValidator
• Fix - Nesting async validators inside DependentRules didn't wait for completion

Changes in 7.1:

• New RuleFor().Custom() method as a replacement for the old, deprecated Custom method
• Improved messages in the ShouldHaveChildValidator test extension
• Test helper works with nested properties
• Additional overload of WithState allows access to collection item when used with RuleForEach
• Fix - Wrong values were generated as part of the MVC5 clientside integration for MinLength and MaxLength validators
• Fix - AssemblyScanner now excludes abstract and generic types
• Fix - InvalidCastException when using lazy WithMessage combined with RuleForEach
• WithState enhanced to allow access to the ValidationContext

Changes in 7.0:

7.0 is a major release that contains several breaking changes, especially with Localization. If you use FluentValidation's support for localization please read the updated documentation: https://github.com/JeremySkinner/FluentValidation/wiki/f.-Localization

• Localization rewrite to not require satellite assemblies
• New 'Custom' rule method replaces the root-level Custom method
• Switch to Netstandard based build process
• Assemblies are now signed / strongly named - see https://github.com/JeremySkinner/FluentValidation/wiki/l.-Strong-naming-and-signed-packages
• Fix - Possible NullReferenceException in the AspNetCore clientside integration for length validators
• Fix - Don't clear the ModelValidatorProviders collection by default in the AspNetCore integration (added new ClearValidatorProviders property to control this behaviour)
• Fix - Ensure IValidatorFactory is resolved from request scope in asp.net core integration
• Fix - Property getter that throws an exception causes validation to fail in WebApi integration
• Fix - Issue in AspNetCore integration where we tried to resolve a collection validator in some situations where a class validator should be used
• Fix - Incorrect clientside validation attributes generated for email validator and credit card validator in the asp.net core integration
• Fix - Child model validation now works in webapi integration
• Improve splitting of PascalCased property names to support uppercase character sequences
• ValidationResult.ErrorCode property now always returns the type of the PropertyValidator that generated the message, unless it's been explicitly overriden

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