Critical/Security:

• Updated the Apache Log4j 2 library to version 2.16 to avoid the Log4Shell exploit. For more info see: CVE-2021-45046.

WebHelp Responsive/Security: Fixed an issue to prevent HTML injection in the search field's auto-complete drop-down list. For more info see SYNC-2021-072301

Oxygen PDF Chemistry: Removed a warning that was displayed when printing a topic with IDs inside a table's title.

Publishing Engine/Libraries: Updated the ICU4J third-party library to version 69.1.

Publishing Engine: Fixed an issue where references with an external scope to the HTML documents that contain query strings caused the publishing engine to break.

DITA Publishing: Fixed an issue where the "clean.output" parameter set in a DITA-OT transformation scenario no longer worked properly to clean the output folder before publishing.

WebHelp Responsive: Fixed an issue where the search preloader was no longer being displayed.

WebHelp Responsive: Fixed a security issue to prevent possible XSS attacks when context-sensitive help with an anchor is used.

WebHelp Responsive: Fixed an issue where unwanted strings were attached to the topic titles in the search page.

WebHelp Responsive: Fixed an issue where the config.js file was generated with incorrect file permissions.

Oxygen PDF Chemistry: Fixed an issue where list items that contain centered images led to undesired page breaks.

Oxygen PDF Chemistry: Fixed an issue where the PDF transformation failed because an element with auto margins was contained in a table cell.

Oxygen Publishing Engine: Fixed an issue with section numbering when topics and sections were siblings in the same map. The table of contents numbering was different than the content numbering. Now, this is controlled by the args.css.param.numbering-sections parameter and sections have a different numbering level than their sibling topics.

WebHelp Responsive: Fixed an issue where the WebHelp's current version and build ID were not logged in the transformation output console.

WebHelp Responsive: Fixed an issue where the text inside header HTML elements was not indexed by the search engine.

WebHelp Responsive: Updated all the HTML pages to have the DOCTYPE declaration set to .

WebHelp Responsive: Context sensitive help system now works for local deployments when using an anchor in the "contextId" parameter.