diff --git a/src/renderer/renderer.rs b/src/renderer/renderer.rs
index 0a15100..93192c9 100644
--- a/src/renderer/renderer.rs
+++ b/src/renderer/renderer.rs
@@ -192,13 +192,12 @@ impl<'a> DustRenderer<'a> {
 
     fn new_breadcrumbs_section<'b>(
         &'b self,
-        maybe_breadcrumbs: &'b Vec<BreadcrumbTreeElement<'b>>,
+        breadcrumbs: &'b Vec<BreadcrumbTreeElement<'b>>,
         index_context: Option<&'b dyn IntoContextElement>,
         injected_context: Option<&'b dyn IntoContextElement>,
         explicit_context: &Option<Path<'b>>,
         new_context_element: Option<&'b dyn ContextElement>,
-    ) {
-        /*
+    ) -> Option<Vec<BreadcrumbTreeElement<'b>>> {
         // If none of the additional contexts are present, return None
         // to signal that the original breadcrumbs should be used
         // rather than incurring a copy here.
@@ -214,34 +213,31 @@ impl<'a> DustRenderer<'a> {
 
         // If there is an explicit context, then drop all the current
         // context
-        let parent = match explicit_context {
-            Some(_) => None,
-            None => maybe_breadcrumbs,
+        let mut new_stack = match explicit_context {
+            Some(_) => Vec::with_capacity(4),
+            None => breadcrumbs.clone(),
         };
-        let mut new_nodes: Vec<BreadcrumbTreeElement> = Vec::new();
 
         explicit_context.as_ref().map(|path| {
-            walk_path(maybe_breadcrumbs, &path.keys)
-                .map(|ice| ice.into_context_element(self, maybe_breadcrumbs))
+            walk_path(breadcrumbs, &path.keys)
+                .map(|ice| ice.into_context_element(self, breadcrumbs))
                 .ok()
                 .flatten()
                 .map(|val| {
                     if val.get_context_element_reference().is_truthy() {
-                        new_nodes.push(std::convert::From::from(val))
+                        new_stack.push(std::convert::From::from(val))
                     }
                 });
         });
-        injected_context.map(|ctx| new_nodes.push(BreadcrumbTreeElement::from_borrowed(ctx)));
+        injected_context.map(|ctx| new_stack.push(BreadcrumbTreeElement::from_borrowed(ctx)));
         new_context_element.map(|ctx| {
-            new_nodes.push(BreadcrumbTreeElement::from_borrowed(
+            new_stack.push(BreadcrumbTreeElement::from_borrowed(
                 ctx.from_context_element(),
             ))
         });
-        index_context.map(|ctx| new_nodes.push(BreadcrumbTreeElement::from_borrowed(ctx)));
+        index_context.map(|ctx| new_stack.push(BreadcrumbTreeElement::from_borrowed(ctx)));
 
-        Some((parent, new_nodes))
-         */
-        todo!()
+        Some(new_stack)
     }
 
     fn new_breadcrumbs_partial<'b>(