Critical/Security: Author/Developer/Editor: Security improvements were added to avoid XXE vulnerabilities or customization induced vulnerabilities in Oxygen XML suite of products. For more info see SYNC-2019-111401
DITA/Transformations: Fixed a processor detection issue when the css.processor.path.chemistry parameter is not set in the DITA Map PDF - based on HTML5 & CSS transformation scenario.
Editor Variables: Fixed a NullPointerException error that happened when canceling the dialog box triggered by the $ask() editor variable to input the value for a transformation parameter.
macOS/Preferences: Fixed a ClassCastException error that happened when changing colors in the Syntax Highlight options page.
Author/DocBook: Fixed insertion/editing of "olink" elements when the "xreftext" contains XML-invalid characters.
API: Fixed a ClassCastException error that happened when saving arrays of String values using the API, if also using API option listeners.