diff --git a/.changeset/add-modal-cross-reference-validation.md b/.changeset/add-modal-cross-reference-validation.md
new file mode 100644
index 0000000000..bf45b774bc
--- /dev/null
+++ b/.changeset/add-modal-cross-reference-validation.md
@@ -0,0 +1,5 @@
+---
+"@objectstack/spec": patch
+---
+
+Add modal cross-reference validation, action handler examples, and action.mdx doc sync