Add additional changeset

.changeset/lucky-bulldogs-march.md

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+---
+'xstate': major
+---
+
+The `internal` property will no longer have effect for transitions on atomic (leaf-node) state nodes. In SCXML, `internal` only applies to complex (compound and parallel) state nodes:
+
+> Determines whether the source state is exited in transitions whose target state is a descendant of the source state. [See 3.13 Selecting and Executing Transitions for details.](https://www.w3.org/TR/scxml/#SelectingTransitions)
+
+```diff
+// ...
+green: {
+  on: {
+    NOTHING: {
+-     target: 'green',
+-     internal: true,
+      actions: doSomething
+    }
+  }
+}
+```