diff --git a/.changeset/loud-days-breathe.md b/.changeset/loud-days-breathe.md
new file mode 100644
index 0000000000..f8eb561f31
--- /dev/null
+++ b/.changeset/loud-days-breathe.md
@@ -0,0 +1,5 @@
+---
+'@backstage/dev-utils': patch
+---
+
+Add new `addPage` method for use with extensions, as well as an `EntityGridItem` to easily create different test cases for entity overview cards.