chore: add changeset

.changeset/serious-turkeys-reflect.md

@@ -0,0 +1,10 @@
+---
+'@vue-flow/core': patch
+---
+
+fix handle connectable checking for matching handle id if none exists
+
+# Bugfixes
+
+- Passing `single` option breaks `connectable` check when no handle ids are set
+- Pass `connectable` to correct handle prop in default node types