SPEC 2026-09-23: breadcrumb invisible = sharepoint.css:328 (.ms-core-listMenu-item white); declarative NavBars via an STS onet.xml (SPF.10) replacing hardcoded XmlDataProvider nav; Scope.GlobalNavigation groups (agent links under an Agency dropdown); user menu (System Account / seat / anonymous) + My Site; /sites directory (permission-trimmed), /my redirect, /search + osssearchresults (untrimmed banner), viewlsts + RecycleBin.aspx aliases; site home placeholders removed + SharePoint relative dates; term LABELS via ITaxonomyService.GetByPath; multi-select TaxonomyPicker.xslt; read-only termstoremanager tree.