+ <%# Navigation scoped to the current messageboard if any. %>
+ <%# yield :thredded_breadcrumbs %>
+ <%= render 'thredded/search/form', messageboard: messageboard_or_nil %>
+
+
+ <%= render 'thredded/shared/nav/unread_topics', messageboard: messageboard_or_nil %>
+
+
+ <% end %>
+