This presentation will explore the JSON features added in Oxygen 20.1 and the new features that will be available in Oxygen 21, including: - Validating JSON documents against a JSON Schema - The new redesigned Outline view for JSON documents - Content completion assistance for JSON, based on the JSON Schema - Defining code Templates for JSON - Associating a JSON Schema directly in JSON documents - Executing XPath expressions over multiple JSON files - Transforming JSON documents using XSLT