diff --git a/table-topic-solutions/playground/append-scenario/justfile b/table-topic-solutions/playground/append-scenario/justfile
index f28a7f5..315ab75 100644
--- a/table-topic-solutions/playground/append-scenario/justfile
+++ b/table-topic-solutions/playground/append-scenario/justfile
@@ -25,15 +25,26 @@ create-topic topic='orders':
       --config automq.table.topic.transform.value.type=flatten \
       --config automq.table.topic.namespace=default || true
 
-send-auto topic='orders' count='10':
+send-auto topic='orders' count='2':
     @echo "Producing {{count}} Avro messages (auto-register) to {{topic}}"
     SCHEMA_REGISTRY_URL={{SCHEMA_REGISTRY_URL}} bash append-scenario/scripts/produce-avro-auto.sh {{topic}} {{count}}
 
-send-auto-v2 topic='orders' count='10':
+send-auto-v2 topic='orders' count='2':
     @echo "Producing {{count}} Avro messages (OrderV2 aggregated evolution) to {{topic}}"
     SCHEMA_REGISTRY_URL={{SCHEMA_REGISTRY_URL}} SCHEMA_FILE=append-scenario/schemas/OrderV2.avsc \
       bash append-scenario/scripts/produce-avro-auto.sh {{topic}} {{count}}
 
+send-auto-v3 topic='orders' count='2':
+    @echo "Producing {{count}} Avro messages (OrderV3 aggregated evolution) to {{topic}}"
+    SCHEMA_REGISTRY_URL={{SCHEMA_REGISTRY_URL}} SCHEMA_FILE=append-scenario/schemas/OrderV3.avsc \
+      bash append-scenario/scripts/produce-avro-auto.sh {{topic}} {{count}}
+
+send-auto-v4 topic='orders' count='2':
+    @echo "Producing {{count}} Avro messages (OrderV4 aggregated evolution) to {{topic}}"
+    SCHEMA_REGISTRY_URL={{SCHEMA_REGISTRY_URL}} SCHEMA_FILE=append-scenario/schemas/OrderV4.avsc \
+      bash append-scenario/scripts/produce-avro-auto.sh {{topic}} {{count}}
+
+
 query table='orders':
     @just trino-sql "SELECT * FROM iceberg.default.\"{{table}}\" LIMIT 20"
 
diff --git a/table-topic-solutions/playground/append-scenario/schemas/OrderV2.avsc b/table-topic-solutions/playground/append-scenario/schemas/OrderV2.avsc
index c6496e0..7a5d0f7 100644
--- a/table-topic-solutions/playground/append-scenario/schemas/OrderV2.avsc
+++ b/table-topic-solutions/playground/append-scenario/schemas/OrderV2.avsc
@@ -6,7 +6,6 @@
     {"name": "order_id", "type": "long"},
     {"name": "product_name", "type": "string"},
     {"name": "order_description", "type": ["null", "string"], "default": null},
-    {"name": "price", "type": "double", "default": 0.0},
-    {"name": "quantity", "type": "long", "default": 0}
+    {"name": "f_v2", "type": ["null", "string"], "default": null}
   ]
 }
diff --git a/table-topic-solutions/playground/append-scenario/schemas/OrderV3.avsc b/table-topic-solutions/playground/append-scenario/schemas/OrderV3.avsc
new file mode 100644
index 0000000..bf2ea08
--- /dev/null
+++ b/table-topic-solutions/playground/append-scenario/schemas/OrderV3.avsc
@@ -0,0 +1,11 @@
+{
+  "type": "record",
+  "name": "Order",
+  "namespace": "demo.append",
+  "fields": [
+    {"name": "order_id", "type": "long"},
+    {"name": "product_name", "type": "string"},
+    {"name": "order_description", "type": ["null", "string"], "default": null},
+    {"name": "f_v3", "type": ["null", "string"], "default": null}
+  ]
+}
diff --git a/table-topic-solutions/playground/append-scenario/schemas/OrderV4.avsc b/table-topic-solutions/playground/append-scenario/schemas/OrderV4.avsc
new file mode 100644
index 0000000..5a3e330
--- /dev/null
+++ b/table-topic-solutions/playground/append-scenario/schemas/OrderV4.avsc
@@ -0,0 +1,12 @@
+{
+  "type": "record",
+  "name": "Order",
+  "namespace": "demo.append",
+  "fields": [
+    {"name": "order_id", "type": "long"},
+    {"name": "product_name", "type": "string"},
+    {"name": "order_description", "type": ["null", "string"], "default": null},
+    {"name": "f_v2", "type": ["null", "string"], "default": null},
+    {"name": "f_v3", "type": ["null", "string"], "default": null}
+  ]
+}