2.2.3

Fixes:

• withValidation return type typings. #2008
• Mark non-required fields as valid instead of undetermined. #2011
• Prevent premature unwatching for the directive when the component is updated. #1993
• Handle validating falsy values with the ValidationProvider validate method. #1992

Enhancements:

• Handle array of objects in validateAll which allows validating specific scopes and fields base on multiple matchers. (#2006) by @richie3366