diff --git a/release-content/migration-guides/virtual_geometry.md b/release-content/migration-guides/virtual_geometry.md
new file mode 100644
index 0000000000000..bdc873f66edbe
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+++ b/release-content/migration-guides/virtual_geometry.md
@@ -0,0 +1,6 @@
+---
+title: Virtual Geometry
+pull_requests: [21301]
+---
+
+Virtual geometry's asset format has changed. You must regenerate `MeshletMesh` assets.