Release machinelearningservices microsoft.machine learning services 2025 12 01

[fmabroukmsft]

ARM (Control Plane) API Specification Update Pull Request

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[github-actions]

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• ❌ This PR targets either the main branch of the public specs repo or the RPSaaSMaster branch of the private specs repo. These branches are not intended for iterative development. Therefore, you must acknowledge you understand that after this PR is merged, the APIs are considered shipped to Azure customers. Any further attempts at in-place modifications to the APIs will be subject to Azure's versioning and breaking change policies. Additionally, for control plane APIs, you must acknowledge that you are following all the best practices documented by ARM at aka.ms/armapibestpractices. If you do intend to release the APIs to your customers by merging this PR, add the PublishToCustomers label to your PR in acknowledgement of the above. Otherwise, retarget this PR onto a feature branch, i.e. with prefix release- (see aka.ms/azsdk/api-versions#release--branches).
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[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

Language	API Review for Package
Swagger	Microsoft.MachineLearningServices
Go	sdk/resourcemanager/machinelearning/armmachinelearning
Java	com.azure.resourcemanager:azure-resourcemanager-machinelearning
C#	Azure.ResourceManager.MachineLearning
JavaScript	@azure/arm-machinelearning
Python	azure-mgmt-machinelearningservices

[sandipsh]

@fmabroukmsft please address the Avocado errors or justify why these can't be addressed (and suppress in that case with the said justification).

[sandipsh]

    },

I noticed some of the enum values are removed in lastest version from last preview version, how is back compat maintained for these properties for the customers?

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/machineLearningServices.json:3009 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)

[sandipsh]

    },

I think it's related to resizing

---

In reply to: 3530352905

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/machineLearningServices.json:3009 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)

[sandipsh]

  },

why is it enum if just one value? also how is back compat handled with previous version if AAD and and KeyAndAAD is passed in the payload?

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/mfe.json:22703 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)

[sandipsh]

principalId

why uuid format removed in this version?

[sandipsh]

      },

returning 202 is not recommended pattern anymore. please use 201 or 200 with provisioning state indicating the creation status. please follow this RPC guideline to make the change - https://github.com/Azure/azure-resource-manager-rpc/blob/master/v1.0/async-api-reference.md#asynchronous-operations

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/workspaceRP.json:171 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)

[sandipsh]

      },

please make the change for other APIs in this PR.

---

In reply to: 3530405439

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/workspaceRP.json:171 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)

[sandipsh]

    "x-ms-long-running-operation": true,

please also add
"x-ms-long-running-operation-options": {
"final-state-via": "location"
}

applies for all cases in this file

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/workspaceRP.json:478 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)

[sandipsh]

      ],

add descriptions to all enums in this PR.

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/workspaceRP.json:1900 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)

[sandipsh]

      "description": "Enabling v1_legacy_mode may prevent you from using features provided by the v2 API.",

this is not recommended for public documentation unless this is a special string constant for this property (which doesn't seem to be the case), please remove '_'

---

Refers to: specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2025-12-01/workspaceRP.json:1912 in 9670ec6. [](commit_id = 9670ec6, deletion_comment = False)