function updateLearnMoreButton(oCarousel) {
		const sActivePageId = oCarousel.getActivePage();
		const aPages = oCarousel.getPages();
		const oLearnMoreBtn = Element.getElementById("sapUiRtaWhatsNewDialog_LearnMore");

		// During initialization of the carousel the ActivePageId is not set yet, so we default to the index of the first page
		const iCurrentIndex = sActivePageId
			? aPages.findIndex(function(oPage) {
				return oPage.getId() === sActivePageId;
			})
			: 0;

		if (this.aUnseenFeatures[iCurrentIndex] && this.aUnseenFeatures[iCurrentIndex].documentationUrls) {
			oLearnMoreBtn.setEnabled(true);
		} else {
			oLearnMoreBtn.setEnabled(false);
		}
	}
@class Constructor for a new sap.ui.rta.util.whatsNew.WhatsNew
@extends sap.ui.base.ManagedObject
@author SAP SE
@version ${version}
@constructor
@since 1.129
@private
@ui5-restricted sap.ui.rta