diff --git a/template_content/.algokit/generators/create_contract/smart_contracts/{% raw %}{{ contract_name }}{% endraw %}/contract.py.j2 b/template_content/.algokit/generators/create_contract/smart_contracts/{% raw %}{{ contract_name }}{% endraw %}/contract.py.j2
index 83b938b..ab5ac39 100644
--- a/template_content/.algokit/generators/create_contract/smart_contracts/{% raw %}{{ contract_name }}{% endraw %}/contract.py.j2	
+++ b/template_content/.algokit/generators/create_contract/smart_contracts/{% raw %}{{ contract_name }}{% endraw %}/contract.py.j2	
@@ -5,4 +5,4 @@ from puyapy.arc4 import String, abimethod
 class {{ contract_name.split('_')|map('capitalize')|join }}(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/template_content/smart_contracts/{{ contract_name }}/contract.py.jinja b/template_content/smart_contracts/{{ contract_name }}/contract.py.jinja
index 83b938b..ab5ac39 100644
--- a/template_content/smart_contracts/{{ contract_name }}/contract.py.jinja	
+++ b/template_content/smart_contracts/{{ contract_name }}/contract.py.jinja	
@@ -5,4 +5,4 @@ from puyapy.arc4 import String, abimethod
 class {{ contract_name.split('_')|map('capitalize')|join }}(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/template_content/{% if use_typescript_jest %}tests{% endif %}/{% if use_typescript_jest %}{% include pathjoin('includes', 'contract_name_kebab.jinja') %}.spec.ts{% endif %}.jinja b/template_content/{% if use_typescript_jest %}tests{% endif %}/{% if use_typescript_jest %}{% include pathjoin('includes', 'contract_name_kebab.jinja') %}.spec.ts{% endif %}.jinja
index 76a0630..25c4aa5 100644
--- a/template_content/{% if use_typescript_jest %}tests{% endif %}/{% if use_typescript_jest %}{% include pathjoin('includes', 'contract_name_kebab.jinja') %}.spec.ts{% endif %}.jinja	
+++ b/template_content/{% if use_typescript_jest %}tests{% endif %}/{% if use_typescript_jest %}{% include pathjoin('includes', 'contract_name_kebab.jinja') %}.spec.ts{% endif %}.jinja	
@@ -24,10 +24,8 @@ describe('{{ contract_name.split('_')|join(' ') }} contract', () => {
       algod,
     )
     await client.deploy({
-      allowDelete: true,
-      allowUpdate: true,
-      onSchemaBreak: 'replace',
-      onUpdate: 'update',
+      onSchemaBreak: 'append',
+      onUpdate: 'append',
     })
     return { client }
   }
diff --git a/tests_generated/test_smart_contract_generator_default_production_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2 b/tests_generated/test_smart_contract_generator_default_production_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2
index 83b938b..ab5ac39 100644
--- a/tests_generated/test_smart_contract_generator_default_production_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
+++ b/tests_generated/test_smart_contract_generator_default_production_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
@@ -5,4 +5,4 @@ from puyapy.arc4 import String, abimethod
 class {{ contract_name.split('_')|map('capitalize')|join }}(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/cool_contract/contract.py b/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/cool_contract/contract.py
index 76d1be4..8d74892 100644
--- a/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/cool_contract/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/cool_contract/contract.py
@@ -5,4 +5,4 @@
 class CoolContract(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/hello_world/contract.py b/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/hello_world/contract.py
index 1b8fddb..586abbd 100644
--- a/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/hello_world/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_production_preset_python/smart_contracts/hello_world/contract.py
@@ -5,4 +5,4 @@
 class HelloWorld(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2 b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2
index 83b938b..ab5ac39 100644
--- a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
+++ b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
@@ -5,4 +5,4 @@ from puyapy.arc4 import String, abimethod
 class {{ contract_name.split('_')|map('capitalize')|join }}(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/cool_contract/contract.py b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/cool_contract/contract.py
index 76d1be4..8d74892 100644
--- a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/cool_contract/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/cool_contract/contract.py
@@ -5,4 +5,4 @@
 class CoolContract(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/hello_world/contract.py b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/hello_world/contract.py
index 1b8fddb..586abbd 100644
--- a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/hello_world/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/smart_contracts/hello_world/contract.py
@@ -5,4 +5,4 @@
 class HelloWorld(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/tests/hello-world.spec.ts b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/tests/hello-world.spec.ts
index 81e62fa..b5ad81a 100644
--- a/tests_generated/test_smart_contract_generator_default_production_preset_typescript/tests/hello-world.spec.ts
+++ b/tests_generated/test_smart_contract_generator_default_production_preset_typescript/tests/hello-world.spec.ts
@@ -24,10 +24,8 @@ describe('hello world contract', () => {
       algod,
     )
     await client.deploy({
-      allowDelete: true,
-      allowUpdate: true,
-      onSchemaBreak: 'replace',
-      onUpdate: 'update',
+      onSchemaBreak: 'append',
+      onUpdate: 'append',
     })
     return { client }
   }
diff --git a/tests_generated/test_smart_contract_generator_default_starter_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2 b/tests_generated/test_smart_contract_generator_default_starter_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2
index 83b938b..ab5ac39 100644
--- a/tests_generated/test_smart_contract_generator_default_starter_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
+++ b/tests_generated/test_smart_contract_generator_default_starter_preset_python/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
@@ -5,4 +5,4 @@ from puyapy.arc4 import String, abimethod
 class {{ contract_name.split('_')|map('capitalize')|join }}(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/cool_contract/contract.py b/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/cool_contract/contract.py
index 76d1be4..8d74892 100644
--- a/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/cool_contract/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/cool_contract/contract.py
@@ -5,4 +5,4 @@
 class CoolContract(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/hello_world/contract.py b/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/hello_world/contract.py
index 1b8fddb..586abbd 100644
--- a/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/hello_world/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_starter_preset_python/smart_contracts/hello_world/contract.py
@@ -5,4 +5,4 @@
 class HelloWorld(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2 b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2
index 83b938b..ab5ac39 100644
--- a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
+++ b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/.algokit/generators/create_contract/smart_contracts/{{ contract_name }}/contract.py.j2	
@@ -5,4 +5,4 @@ from puyapy.arc4 import String, abimethod
 class {{ contract_name.split('_')|map('capitalize')|join }}(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/cool_contract/contract.py b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/cool_contract/contract.py
index 76d1be4..8d74892 100644
--- a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/cool_contract/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/cool_contract/contract.py
@@ -5,4 +5,4 @@
 class CoolContract(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/hello_world/contract.py b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/hello_world/contract.py
index 1b8fddb..586abbd 100644
--- a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/hello_world/contract.py
+++ b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/smart_contracts/hello_world/contract.py
@@ -5,4 +5,4 @@
 class HelloWorld(ARC4Contract):
     @abimethod()
     def hello(self, name: String) -> String:
-        return String.encode(Bytes(b"Hello ") + name.decode())
+        return String.encode(Bytes(b"Hello, ") + name.decode())
diff --git a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/tests/hello-world.spec.ts b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/tests/hello-world.spec.ts
index 81e62fa..b5ad81a 100644
--- a/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/tests/hello-world.spec.ts
+++ b/tests_generated/test_smart_contract_generator_default_starter_preset_typescript/tests/hello-world.spec.ts
@@ -24,10 +24,8 @@ describe('hello world contract', () => {
       algod,
     )
     await client.deploy({
-      allowDelete: true,
-      allowUpdate: true,
-      onSchemaBreak: 'replace',
-      onUpdate: 'update',
+      onSchemaBreak: 'append',
+      onUpdate: 'append',
     })
     return { client }
   }