diff --git a/.changes/next-release/api-change-ec2-5543.json b/.changes/next-release/api-change-ec2-5543.json
new file mode 100644
index 000000000000..dcb7ae606ac6
--- /dev/null
+++ b/.changes/next-release/api-change-ec2-5543.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``ec2``",
+  "description": "Documentation updates for Amazon EC2."
+}
diff --git a/.changes/next-release/api-change-iotdata-25172.json b/.changes/next-release/api-change-iotdata-25172.json
new file mode 100644
index 000000000000..5726d8b68bcf
--- /dev/null
+++ b/.changes/next-release/api-change-iotdata-25172.json
@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``iot-data``",
+  "description": "Add v2 smoke tests and smithy smokeTests trait for SDK testing."
+}