During March 2025, Bogdan Dumitru developed a new extensibility feature for the oxygenxml/userguide repository, focusing on front-end development with JavaScript and XML. He enabled the addition of custom actions to the DITA Map side-view toolbar, allowing users to tailor workflows to their specific needs. By implementing a concrete example—a Refresh action—he demonstrated how core methods could be overridden and a custom view installed, providing a clear path for further client-specific extensions. The work was delivered as a focused, reviewable commit, enhancing the platform’s flexibility and productivity without introducing bug fixes, and reflecting a targeted, well-scoped engineering effort.