Major version of Yii Validator were tagged.

• Add the Each::PARAMETER_EACH_KEY validation context parameter that available during Each rule handling and containing the current key
• Include attribute name in error messages when it's present
• Add PHP attribute that sets property label for usage in error messages
• Add InEnum rule
• Change "attribute" to "property" in class/trait/method/variable/placeholder names
• Change type of $escape argument in Error::getValuePath() from bool|string|null to string|null
• List translated attributes in error message for OneOf and AtLeast rules
• Fix meaning of error message in OneOf rule
• Improve meaning and use pluralization in error message for OneOf and AtLeast rules
• Disallow $min greater than amount of $attributes in AtLeast configuration
• Move getName() method from RuleInterface to RuleWithOptionsInterface
• Rename RuleWithOptionsInterface to DumpedRuleInterface
• Use FQCN as a name for built-in rules during export with RulesDumper
• Use FQCN as a name for rules not implementing DumpedRuleInterface during export with RulesDumper
• Change type of $skipOnEmpty argument in rules' constructors from mixed to bool|callable|null
• Change type of $rule argument in RuleHandlerInterface::validate() from object to RuleInterface
• Rename AtLeast rule to FilledAtLeast and OneOf rule to FilledOnlyOneOf
• Add type to error messages related with incorrect input
• Use json_validate() built-in PHP function in JsonHandler if code is run with PHP 8.3
• Improve psalm annotations in Result class
• Add German translation
• Simplify validation of JSON in JsonHandler using built-in PHP functions for PHP versions below 8.3
• Raise the minimum version of PHP to 8.1
• Refactor Result::add(): took array_merge() out of the foreach
• Make parameter $rules in RulesNormalizer::normalize() optional
• Make Json::$message a bit more clear
• Fix property name usage in error messages of rules in Nested rule
• Rules provided by data object PHP attributes were not used in RulesNormalizer::normalize()
• Fix wrong value for type parameter for Each::$incorrectInputKeyMessage

See upgrading instructions with notes about upgrading package in your application to this major version.