diff --git a/.changeset/breezy-gorillas-accept.md b/.changeset/breezy-gorillas-accept.md
new file mode 100644
index 00000000..2179e425
--- /dev/null
+++ b/.changeset/breezy-gorillas-accept.md
@@ -0,0 +1,7 @@
+---
+'@xyflow/react': minor
+'@xyflow/svelte': minor
+'@xyflow/system': minor
+---
+
+Add `zIndexMode` to control how z-index is calculated for nodes and edges