v5.9.0

Added

• Add duplicated-entry-in-enum rule to detect duplicated entry in enum #1478
• Improve additionalProperties JSON Schema validation #1433

Changed

• $refs in rulesets linking to json-schema.org are kept unresolved #1519

Fixed

• Empty $refs should not be ignored #1540
• Proper source detection of an error caused by an empty $ref #1515
• Improve file $ref resolving on Windows #1514
• Proxy settings not applied to all outgoing requests #1324
• Pascal/Camel casing do not support single uppercase letters at the end #1500
• Nested extends broken in rulesets Error disabling an extended ruleset in an extended ruleset #1352, #1380
• Missing validation of child parameter child properties #1400