SOS-2387 Site Directory appears in the dockbar for non SO users if you resize browser to mobile view
LPS-14559 Solr highlighting: setHighlightRequireFieldMatch=true
LPS-49392
LRDCOM-10310: Notifications Metadata update to latest hash
LRDCOM-10310: SO Metadata update to latest hash
LPS-49395 continue when element has no attributes

The diffs may contain comments, for which `element.getAttributes()` will
return `null` instead of an empty attribute collection.