R2026a release!

Author: upradhan93

packer/v1/release-config/R2026a.pkrvars.hcl

@@ -31,14 +31,13 @@ BUILD_SCRIPTS = [
   "Initialize-MATLAB.ps1",
   "Initialize-Polyspace.ps1",
   "Optimize-MATLAB.ps1",
-  "Remove-IE.ps1",
   "Disable-Popups.ps1"
 ]
 PRODUCTS                    = "5G_Toolbox AUTOSAR_Blockset Aerospace_Blockset Aerospace_Toolbox Antenna_Toolbox Audio_Toolbox Automated_Driving_Toolbox Bioinformatics_Toolbox Bluetooth_Toolbox C2000_Microcontroller_Blockset Communications_Toolbox Computer_Vision_Toolbox Control_System_Toolbox Curve_Fitting_Toolbox DDS_Blockset DSP_HDL_Toolbox DSP_System_Toolbox Database_Toolbox Datafeed_Toolbox Deep_Learning_HDL_Toolbox Deep_Learning_Toolbox Econometrics_Toolbox Embedded_Coder Financial_Instruments_Toolbox Financial_Toolbox Fixed-Point_Designer Fuzzy_Logic_Toolbox GPU_Coder Global_Optimization_Toolbox HDL_Coder HDL_Verifier Image_Acquisition_Toolbox Image_Processing_Toolbox Industrial_Communication_Toolbox Instrument_Control_Toolbox LTE_Toolbox Lidar_Toolbox MATLAB MATLAB_Coder MATLAB_Compiler MATLAB_Compiler_SDK MATLAB_Parallel_Server MATLAB_Report_Generator MATLAB_Test MATLAB_Web_App_Server Mapping_Toolbox Medical_Imaging_Toolbox Mixed-Signal_Blockset Model_Predictive_Control_Toolbox Motor_Control_Blockset Navigation_Toolbox Optimization_Toolbox Parallel_Computing_Toolbox Partial_Differential_Equation_Toolbox Phased_Array_System_Toolbox Powertrain_Blockset Predictive_Maintenance_Toolbox RF_Blockset RF_PCB_Toolbox RF_Toolbox ROS_Toolbox Radar_Toolbox Reinforcement_Learning_Toolbox Requirements_Toolbox Risk_Management_Toolbox Robotics_System_Toolbox Robust_Control_Toolbox Satellite_Communications_Toolbox Sensor_Fusion_and_Tracking_Toolbox SerDes_Toolbox Signal_Integrity_Toolbox Signal_Processing_Toolbox SimBiology SimEvents Simscape Simscape_Battery Simscape_Driveline Simscape_Electrical Simscape_Fluids Simscape_Multibody Simulink Simulink_3D_Animation Simulink_Check Simulink_Coder Simulink_Compiler Simulink_Control_Design Simulink_Coverage Simulink_Design_Optimization Simulink_Design_Verifier Simulink_Desktop_Real-Time Simulink_Fault_Analyzer Simulink_PLC_Coder Simulink_Real-Time Simulink_Report_Generator Simulink_Test SoC_Blockset Stateflow Statistics_and_Machine_Learning_Toolbox Symbolic_Math_Toolbox System_Composer System_Identification_Toolbox Text_Analytics_Toolbox UAV_Toolbox Vehicle_Dynamics_Blockset Vehicle_Network_Toolbox Vision_HDL_Toolbox WLAN_Toolbox Wavelet_Toolbox Wireless_HDL_Toolbox Wireless_Testbench Wireless_Network_Toolbox Simulink_FMU_Builder Raspberry_Pi_Blockset STM32_Microcontroller_Blockset"
 POLYSPACE_PRODUCTS          = "Polyspace_Bug_Finder Polyspace_Bug_Finder_Server Polyspace_Code_Prover Polyspace_Code_Prover_Server Polyspace_Test"
 SPKGS                       = "Deep_Learning_Toolbox_Model_for_AlexNet_Network Deep_Learning_Toolbox_Model_for_EfficientNet-b0_Network Deep_Learning_Toolbox_Model_for_GoogLeNet_Network Deep_Learning_Toolbox_Model_for_ResNet-101_Network Deep_Learning_Toolbox_Model_for_ResNet-18_Network Deep_Learning_Toolbox_Model_for_ResNet-50_Network Deep_Learning_Toolbox_Model_for_Inception-ResNet-v2_Network Deep_Learning_Toolbox_Model_for_Inception-v3_Network Deep_Learning_Toolbox_Model_for_DenseNet-201_Network Deep_Learning_Toolbox_Model_for_Xception_Network Deep_Learning_Toolbox_Model_for_MobileNet-v2_Network Deep_Learning_Toolbox_Model_for_Places365-GoogLeNet_Network Deep_Learning_Toolbox_Model_for_NASNet-Large_Network Deep_Learning_Toolbox_Model_for_NASNet-Mobile_Network Deep_Learning_Toolbox_Model_for_ShuffleNet_Network Deep_Learning_Toolbox_Model_for_DarkNet-19_Network Deep_Learning_Toolbox_Model_for_DarkNet-53_Network Deep_Learning_Toolbox_Model_for_VGG-16_Network Deep_Learning_Toolbox_Model_for_VGG-19_Network"
 NVIDIA_DRIVER_INSTALLER_URL = "https://us.download.nvidia.com/tesla/591.59/591.59-data-center-tesla-desktop-winserver-2022-2025-dch-international.exe"
-PYTHON_INSTALLER_URL        = "https://www.python.org/ftp/python/3.10.5/python-3.10.5-amd64.exe"
+PYTHON_INSTALLER_URL        = "https://www.python.org/ftp/python/3.14.4/python-3.14.4-amd64.exe"
 IMAGE_PUBLISHER             = "MicrosoftWindowsServer"
 IMAGE_OFFER                 = "WindowsServer"
-IMAGE_SKU                   = "2022-Datacenter"
+IMAGE_SKU                   = "2025-Datacenter"

packer/v1/runtime/mwplatforminterfaces/mwplatforminterfaces/os_interface.py

@@ -144,10 +144,19 @@ def stop_workers_on_nodes(self, nodes_hostnames: Set[str]) -> Set[str]:
         Returns:
             nodes_stopped (Set[str]): Hostname of nodes that were stoppped.
         """
+        if not nodes_hostnames:
+            return set()
+        
         hostnames = list(nodes_hostnames)
-        tasks = [self._stop_workers_on_node(host) for host in hostnames]
+        
+        async def _run():
+            # async function to be wrapped under asyncio.run(). asyncio.gather()
+            # needs a requires a running event loop to schedule the coroutines.
+            # Using this wrapper with run() ensures that the loop is created first
+            tasks = [self._stop_workers_on_node(host) for host in hostnames]
+            return await asyncio.gather(*tasks, return_exceptions=True)
 
-        results = asyncio.get_event_loop().run_until_complete(asyncio.gather(*tasks))
+        results = asyncio.run(_run())
 
         # Make sure the workers actually stopped.
         current_hosts = self.get_worker_nodes()
@@ -157,6 +166,7 @@ def stop_workers_on_nodes(self, nodes_hostnames: Set[str]) -> Set[str]:
             for host, status in zip(hostnames, results)
             if status and (host not in current_hosts)
         }
+
         return nodes_stopped
 
     def is_mjs_running(self) -> bool:
@@ -334,10 +344,20 @@ def _get_workergroups_statuses(self, nodes_hostnames: Set[str]) -> Dict[str, str
             workergroup_status (Dict[str, str]): Mapping between hostname
             and status.
         """
+        # Return early if no hostnames provided
+        if not nodes_hostnames:
+            return {}
+        
         hostnames = list(nodes_hostnames)
-        tasks = [self._get_workergroup_status(host) for host in hostnames]
 
-        results = asyncio.get_event_loop().run_until_complete(asyncio.gather(*tasks))
+        async def _run():
+            # async function to be wrapped under asyncio.run(). asyncio.gather()
+            # needs a requires a running event loop to schedule the coroutines.
+            # Using this wrapper with run() ensures that the loop is created first
+            tasks = [self._get_workergroup_status(host) for host in hostnames]
+            return await asyncio.gather(*tasks, return_exceptions=True)
+
+        results = asyncio.run(_run())
 
         statuses = {host: status for host, status in zip(hostnames, results)}
 

releases/R2026a/README.md

@@ -6,7 +6,7 @@ Click the **Deploy to Azure** button below to deploy the cloud resources on Azur
 
 <a href="https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fmathworks-ref-arch%2Fmatlab-parallel-server-on-azure%2Fmaster%2Freleases%2FR2026a%2Fazuredeploy-R2026a.json" target="_blank"><img src="https://aka.ms/deploytoazurebutton"/></a>
 
-> Cluster Platform: Windows Server 2022
+> Cluster Platform: Windows Server 2025 (MATLAB R2026a), Windows Server 2022 (MATLAB R2025b and earlier)
 
 > MATLAB&reg; Release: R2026a
 

releases/R2026a/azuredeploy-R2026a.json

@@ -295,10 +295,6 @@
     "startPort": 27350,
     "finalPort": "[add(variables('startPort'), variables('totalPorts'))]",
     "storageAccountName": "[concat('mwstorage', variables('resourceGroupUniqueString'))]",
-    "storageAccountSku": {
-      "name": "Premium_LRS",
-      "tier": "Premium"
-    },
     "userDataScript": [
       "# Copyright 2023-2026 The MathWorks, Inc.",
       "",
@@ -419,37 +415,18 @@
       }
     },
     {
-      "type": "Microsoft.Storage/storageAccounts",
-      "apiVersion": "2025-06-01",
-      "name": "[variables('storageAccountName')]",
-      "location": "[resourceGroup().location]",
-      "tags": "[variables('tagsForAll')]",
-      "sku": "[variables('storageAccountSku')]",
-      "kind": "FileStorage",
-      "properties": {
-        "dnsEndpointType": "Standard",
-        "defaultToOAuthAuthentication": false,
-        "publicNetworkAccess": "Enabled",
-        "allowCrossTenantReplication": false,
-        "minimumTlsVersion": "TLS1_2",
-        "allowBlobPublicAccess": false,
-        "allowSharedKeyAccess": true,
-        "largeFileSharesState": "Enabled",
-        "networkAcls": {
-          "bypass": "AzureServices",
-          "defaultAction": "Allow"
-        },
-        "supportsHttpsTrafficOnly": false,
-        "encryption": {
-          "requireInfrastructureEncryption": false,
-          "services": {
-            "file": {
-              "keyType": "Account",
-              "enabled": true
-            }
-          },
-          "keySource": "Microsoft.Storage"
-        }
+    "type": "Microsoft.Storage/storageAccounts",
+    "apiVersion": "2025-06-01",
+    "name": "[variables('storageAccountName')]",
+    "location": "[resourceGroup().location]",
+    "sku": {
+        "name": "Standard_LRS"
+    },
+    "kind": "StorageV2",
+    "properties": {
+          "minimumTlsVersion": "TLS1_2",
+          "allowBlobPublicAccess": false,
+          "supportsHttpsTrafficOnly": true
       }
     },
     {