diff --git a/sdk/containerservice/azure-mgmt-containerservicefleet/CHANGELOG.md b/sdk/containerservice/azure-mgmt-containerservicefleet/CHANGELOG.md
index b87a35e09481..f04689e99212 100644
--- a/sdk/containerservice/azure-mgmt-containerservicefleet/CHANGELOG.md
+++ b/sdk/containerservice/azure-mgmt-containerservicefleet/CHANGELOG.md
@@ -2,6 +2,35 @@
 
 ## 3.1.0 (2025-04-10)
 
+### Features Added
+
+  - Client `ContainerServiceFleetMgmtClient` added operation group `auto_upgrade_profiles`
+  - Client `ContainerServiceFleetMgmtClient` added operation group `auto_upgrade_profile_operations`
+  - Model `APIServerAccessProfile` added property `enable_vnet_integration`
+  - Model `APIServerAccessProfile` added property `subnet_id`
+  - Model `Fleet` added property `status`
+  - Model `FleetMember` added property `status`
+  - Model `NodeImageSelection` added property `custom_node_image_versions`
+  - Enum `NodeImageSelectionType` added member `CUSTOM`
+  - Model `UpdateRun` added property `auto_upgrade_profile_id`
+  - Added enum `AutoUpgradeLastTriggerStatus`
+  - Added model `AutoUpgradeNodeImageSelection`
+  - Added enum `AutoUpgradeNodeImageSelectionType`
+  - Added model `AutoUpgradeProfile`
+  - Added model `AutoUpgradeProfileListResult`
+  - Added enum `AutoUpgradeProfileProvisioningState`
+  - Added model `AutoUpgradeProfileStatus`
+  - Added model `FleetMemberStatus`
+  - Added model `FleetStatus`
+  - Added model `GenerateResponse`
+  - Added enum `UpgradeChannel`
+  - Added model `AutoUpgradeProfileOperationsOperations`
+  - Added model `AutoUpgradeProfilesOperations`
+  - Method `AutoUpgradeProfilesOperations.begin_create_or_update` has a new overload `def begin_create_or_update(self: None, resource_group_name: str, fleet_name: str, auto_upgrade_profile_name: str, resource: AutoUpgradeProfile, if_match: Optional[str], if_none_match: Optional[str], content_type: str)`
+  - Method `AutoUpgradeProfilesOperations.begin_create_or_update` has a new overload `def begin_create_or_update(self: None, resource_group_name: str, fleet_name: str, auto_upgrade_profile_name: str, resource: IO[bytes], if_match: Optional[str], if_none_match: Optional[str], content_type: str)`
+
+## 3.1.0 (2025-04-10)
+
 ### Features Added
 
   - Client `ContainerServiceFleetMgmtClient` added operation group `auto_upgrade_profiles`
diff --git a/sdk/containerservice/azure-mgmt-containerservicefleet/_meta.json b/sdk/containerservice/azure-mgmt-containerservicefleet/_meta.json
index b83194771aec..e15c2ef42589 100644
--- a/sdk/containerservice/azure-mgmt-containerservicefleet/_meta.json
+++ b/sdk/containerservice/azure-mgmt-containerservicefleet/_meta.json
@@ -1,11 +1,11 @@
 {
-  "commit": "b228f178ed852d198497e797789da6ac05af09c0",
+  "commit": "88ad03595e8e35c4422e55fb93f7e822fee6e1ce",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
   "autorest": "3.10.2",
   "use": [
     "@autorest/python@6.27.4",
     "@autorest/modelerfour@4.27.0"
   ],
-  "autorest_command": "autorest specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/readme.md --generate-sample=True --generate-test=True --include-x-ms-examples-original-file=True --python --python-sdks-folder=/mnt/vss/_work/1/azure-sdk-for-python/sdk --use=@autorest/python@6.27.4 --use=@autorest/modelerfour@4.27.0 --version=3.10.2 --version-tolerant=False",
+  "autorest_command": "autorest specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/readme.md --generate-sample=True --generate-test=True --include-x-ms-examples-original-file=True --python --python-sdks-folder=/mnt/vss/_work/1/s/azure-sdk-for-python/sdk --use=@autorest/python@6.27.4 --use=@autorest/modelerfour@4.27.0 --version=3.10.2 --version-tolerant=False",
   "readme": "specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/readme.md"
 }
\ No newline at end of file
diff --git a/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/aio/operations/_auto_upgrade_profile_operations_operations.py b/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/aio/operations/_auto_upgrade_profile_operations_operations.py
index 5b90ededf383..997dd18bb8e7 100644
--- a/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/aio/operations/_auto_upgrade_profile_operations_operations.py
+++ b/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/aio/operations/_auto_upgrade_profile_operations_operations.py
@@ -120,7 +120,7 @@ async def _generate_update_run_initial(
     async def begin_generate_update_run(
         self, resource_group_name: str, fleet_name: str, auto_upgrade_profile_name: str, **kwargs: Any
     ) -> AsyncLROPoller[_models.GenerateResponse]:
-        """A long-running resource action.
+        """Generates an update run for a given auto upgrade profile.
 
         :param resource_group_name: The name of the resource group. The name is case insensitive.
          Required.
diff --git a/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/operations/_auto_upgrade_profile_operations_operations.py b/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/operations/_auto_upgrade_profile_operations_operations.py
index bb6628a2b810..21283397ff49 100644
--- a/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/operations/_auto_upgrade_profile_operations_operations.py
+++ b/sdk/containerservice/azure-mgmt-containerservicefleet/azure/mgmt/containerservicefleet/operations/_auto_upgrade_profile_operations_operations.py
@@ -166,7 +166,7 @@ def _generate_update_run_initial(
     def begin_generate_update_run(
         self, resource_group_name: str, fleet_name: str, auto_upgrade_profile_name: str, **kwargs: Any
     ) -> LROPoller[_models.GenerateResponse]:
-        """A long-running resource action.
+        """Generates an update run for a given auto upgrade profile.
 
         :param resource_group_name: The name of the resource group. The name is case insensitive.
          Required.