diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2021-03-01-preview/mfe.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2021-03-01-preview/mfe.json
index 89c78128492e..3dee2ab5151e 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2021-03-01-preview/mfe.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2021-03-01-preview/mfe.json
@@ -1782,182 +1782,6 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.MachineLearningServices/workspaces/{workspaceName}/labelingJobs/{id}/exportLabels/{exportId}": {
-      "get": {
-        "tags": [
-          "ExportSummary"
-        ],
-        "summary": "Get export summary from a labeling job.",
-        "operationId": "ExportSummaries_Get",
-        "produces": [
-          "application/json"
-        ],
-        "parameters": [
-          {
-            "in": "path",
-            "name": "id",
-            "description": "The name and identifier for the LabelingJob.",
-            "required": true,
-            "type": "string"
-          },
-          {
-            "in": "path",
-            "name": "exportId",
-            "description": "The unique identifier of Export Labels operation.",
-            "required": true,
-            "type": "string",
-            "format": "uuid"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/APIVersionParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/SubscriptionIdParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/ResourceGroupNameParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/WorkspaceNameParameter"
-          }
-        ],
-        "responses": {
-          "default": {
-            "description": "Error",
-            "schema": {
-              "$ref": "machineLearningServices.json#/definitions/MachineLearningServiceError"
-            }
-          },
-          "200": {
-            "description": "Success",
-            "schema": {
-              "$ref": "#/definitions/ExportSummaryResource"
-            }
-          }
-        },
-        "x-ms-examples": {
-          "Get ExportSummary.": {
-            "$ref": "./examples/ExportSummary/get.json"
-          }
-        }
-      }
-    },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.MachineLearningServices/workspaces/{workspaceName}/labelingJobs/{id}/exportLabels": {
-      "get": {
-        "tags": [
-          "ExportSummary"
-        ],
-        "summary": "List export summaries for a labeling job.",
-        "operationId": "ExportSummaries_List",
-        "produces": [
-          "application/json"
-        ],
-        "parameters": [
-          {
-            "in": "path",
-            "name": "id",
-            "description": "The name and identifier for the LabelingJob.",
-            "required": true,
-            "type": "string"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/APIVersionParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/PaginationParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/SubscriptionIdParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/ResourceGroupNameParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/WorkspaceNameParameter"
-          }
-        ],
-        "responses": {
-          "default": {
-            "description": "Error",
-            "schema": {
-              "$ref": "machineLearningServices.json#/definitions/MachineLearningServiceError"
-            }
-          },
-          "200": {
-            "description": "Success",
-            "schema": {
-              "$ref": "#/definitions/ExportSummaryResourceArmPaginatedResult"
-            }
-          }
-        },
-        "x-ms-examples": {
-          "List ExportSummaries.": {
-            "$ref": "./examples/ExportSummary/list.json"
-          }
-        },
-        "x-ms-pageable": {
-          "nextLinkName": "nextLink"
-        }
-      },
-      "post": {
-        "tags": [
-          "LabelingJob"
-        ],
-        "summary": "Export labels from a labeling job.",
-        "operationId": "LabelingJobs_ExportLabels",
-        "consumes": [
-          "application/json"
-        ],
-        "produces": [
-          "application/json"
-        ],
-        "parameters": [
-          {
-            "in": "path",
-            "name": "id",
-            "description": "The name and identifier for the LabelingJob.",
-            "required": true,
-            "type": "string"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/APIVersionParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/SubscriptionIdParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/ResourceGroupNameParameter"
-          },
-          {
-            "$ref": "machineLearningServices.json#/parameters/WorkspaceNameParameter"
-          },
-          {
-            "in": "body",
-            "name": "body",
-            "description": "The export summary.",
-            "schema": {
-              "$ref": "#/definitions/ExportSummary"
-            }
-          }
-        ],
-        "responses": {
-          "default": {
-            "description": "Error",
-            "schema": {
-              "$ref": "machineLearningServices.json#/definitions/MachineLearningServiceError"
-            }
-          },
-          "202": {
-            "description": "Success"
-          }
-        },
-        "x-ms-examples": {
-          "ExportLabels Labeling Job.": {
-            "$ref": "./examples/LabelingJob/exportLabels.json"
-          }
-        }
-      }
-    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.MachineLearningServices/workspaces/{workspaceName}/jobs/{id}": {
       "put": {
         "tags": [
@@ -4612,212 +4436,6 @@
       },
       "additionalProperties": false
     },
-    "ExportSummary": {
-      "required": [
-        "format"
-      ],
-      "type": "object",
-      "properties": {
-        "format": {
-          "description": "The format of exported labels, also as the discriminator.",
-          "enum": [
-            "Dataset",
-            "Coco",
-            "CSV"
-          ],
-          "type": "string",
-          "x-ms-enum": {
-            "name": "ExportFormatType",
-            "modelAsString": true
-          },
-          "x-ms-mutability": [
-            "create",
-            "read"
-          ]
-        },
-        "exportId": {
-          "format": "uuid",
-          "description": "The unique identifier of completed Export Labels operation.",
-          "type": "string",
-          "readOnly": true,
-          "x-ms-mutability": [
-            "read"
-          ]
-        },
-        "labelingJobId": {
-          "description": "Name and identifier of the job containing exported labels.",
-          "type": "string",
-          "readOnly": true,
-          "x-ms-mutability": [
-            "read"
-          ]
-        },
-        "exportedRowCount": {
-          "format": "int64",
-          "description": "The total number of labeled datapoints exported.",
-          "type": "integer",
-          "readOnly": true,
-          "x-ms-mutability": [
-            "read"
-          ]
-        },
-        "startTimeUtc": {
-          "format": "date-time",
-          "description": "The time when the export was requested.",
-          "type": "string",
-          "readOnly": true,
-          "x-ms-mutability": [
-            "read"
-          ]
-        },
-        "endTimeUtc": {
-          "format": "date-time",
-          "description": "The time when the export was completed.",
-          "type": "string",
-          "readOnly": true,
-          "x-ms-mutability": [
-            "read"
-          ]
-        },
-        "state": {
-          "description": "The state of the Export Labels operation.",
-          "enum": [
-            "Requested",
-            "Running",
-            "Failed",
-            "Completed"
-          ],
-          "type": "string",
-          "readOnly": true,
-          "x-ms-enum": {
-            "name": "LabelExportState",
-            "modelAsString": true
-          },
-          "x-ms-mutability": [
-            "read"
-          ]
-        }
-      },
-      "discriminator": "format",
-      "additionalProperties": false
-    },
-    "CocoExportSummary": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/ExportSummary"
-        },
-        {
-          "type": "object",
-          "properties": {
-            "snapshotPath": {
-              "description": "The output path where the labels will be exported.",
-              "type": "string"
-            },
-            "containerName": {
-              "description": "The container name to which the labels will be exported.",
-              "type": "string"
-            }
-          }
-        }
-      ],
-      "x-ms-discriminator-value": "Coco",
-      "additionalProperties": false
-    },
-    "CsvExportSummary": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/ExportSummary"
-        },
-        {
-          "type": "object",
-          "properties": {
-            "snapshotPath": {
-              "description": "The output path where the labels will be exported.",
-              "type": "string"
-            },
-            "containerName": {
-              "description": "The container name to which the labels will be exported.",
-              "type": "string"
-            }
-          }
-        }
-      ],
-      "x-ms-discriminator-value": "CSV",
-      "additionalProperties": false
-    },
-    "DatasetExportSummary": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/ExportSummary"
-        },
-        {
-          "type": "object",
-          "properties": {
-            "labeledAssetName": {
-              "description": "The unique name of the labeled data asset.",
-              "type": "string"
-            }
-          }
-        }
-      ],
-      "x-ms-discriminator-value": "Dataset",
-      "additionalProperties": false
-    },
-    "ExportSummaryResource": {
-      "description": "Azure Resource Manager resource envelope.",
-      "required": [
-        "properties"
-      ],
-      "type": "object",
-      "properties": {
-        "id": {
-          "description": "The resource URL of the entity (not URL encoded).",
-          "type": "string",
-          "readOnly": true
-        },
-        "name": {
-          "description": "The name of the resource entity.",
-          "type": "string",
-          "readOnly": true
-        },
-        "type": {
-          "description": "The resource provider and type.",
-          "type": "string",
-          "readOnly": true
-        },
-        "properties": {
-          "$ref": "#/definitions/ExportSummary"
-        },
-        "systemData": {
-          "description": "System data associated with resource provider",
-          "allOf": [
-            {
-              "$ref": "../../../../../common-types/resource-management/v2/types.json#/definitions/systemData"
-            }
-          ],
-          "readOnly": true
-        }
-      },
-      "x-ms-azure-resource": true,
-      "additionalProperties": false
-    },
-    "ExportSummaryResourceArmPaginatedResult": {
-      "description": "A paginated list of ExportSummary entities.",
-      "type": "object",
-      "properties": {
-        "value": {
-          "description": "An array of objects of type ExportSummary.",
-          "type": "array",
-          "items": {
-            "$ref": "#/definitions/ExportSummaryResource"
-          }
-        },
-        "nextLink": {
-          "type": "string"
-        }
-      },
-      "additionalProperties": false
-    },
     "CodeConfiguration": {
       "required": [
         "command"
@@ -4912,6 +4530,66 @@
       "discriminator": "distributionType",
       "additionalProperties": false
     },
+    "TensorFlow": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DistributionConfiguration"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "workerCount": {
+              "format": "int32",
+              "description": "Number of workers. Overwrites the node count in compute binding.",
+              "type": "integer"
+            },
+            "parameterServerCount": {
+              "format": "int32",
+              "type": "integer"
+            }
+          }
+        }
+      ],
+      "x-ms-discriminator-value": "TensorFlow",
+      "additionalProperties": false
+    },
+    "Mpi": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DistributionConfiguration"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "processCountPerInstance": {
+              "format": "int32",
+              "type": "integer"
+            }
+          }
+        }
+      ],
+      "x-ms-discriminator-value": "Mpi",
+      "additionalProperties": false
+    },
+    "PyTorch": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/DistributionConfiguration"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "processCount": {
+              "format": "int32",
+              "description": "Total process count for the distributed job.",
+              "type": "integer"
+            }
+          }
+        }
+      ],
+      "x-ms-discriminator-value": "PyTorch",
+      "additionalProperties": false
+    },
     "ComputeBinding": {
       "description": "Compute binding definition.",
       "type": "object",
@@ -5180,78 +4858,6 @@
       "x-ms-discriminator-value": "Command",
       "additionalProperties": false
     },
-    "PipelineJob": {
-      "description": "Pipeline Job definition",
-      "required": [
-        "computeBinding"
-      ],
-      "allOf": [
-        {
-          "$ref": "#/definitions/ComputeJobBase"
-        },
-        {
-          "type": "object",
-          "properties": {
-            "jobType": {
-              "enum": [
-                "Command",
-                "Sweep",
-                "Labeling",
-                "Pipeline",
-                "Data",
-                "AutoML"
-              ],
-              "type": "string",
-              "readOnly": true,
-              "x-ms-enum": {
-                "name": "JobType",
-                "modelAsString": true
-              }
-            },
-            "status": {
-              "description": "Status of the job.",
-              "enum": [
-                "NotStarted",
-                "Starting",
-                "Provisioning",
-                "Preparing",
-                "Queued",
-                "Running",
-                "Finalizing",
-                "CancelRequested",
-                "Completed",
-                "Failed",
-                "Canceled",
-                "NotResponding",
-                "Paused"
-              ],
-              "type": "string",
-              "x-ms-enum": {
-                "name": "JobStatus",
-                "modelAsString": true
-              }
-            },
-            "definition": {
-              "description": "PipelineJob json",
-              "type": "string"
-            },
-            "type": {
-              "description": "Type of PipelineJob",
-              "enum": [
-                "AzureML"
-              ],
-              "type": "string",
-              "x-ms-enum": {
-                "name": "PipelineType",
-                "modelAsString": true
-              }
-            }
-          }
-        }
-      ],
-      "x-ms-discriminator-value": "Pipeline",
-      "additionalProperties": false
-    },
     "ParameterSamplingConfiguration": {
       "description": "class for all hyperparameter sampling algorithms",
       "required": [
@@ -5312,6 +4918,64 @@
       "discriminator": "policyType",
       "additionalProperties": false
     },
+    "BanditPolicyConfiguration": {
+      "description": "Defines an early termination policy based on slack criteria, and a frequency and delay interval for evaluation",
+      "allOf": [
+        {
+          "$ref": "#/definitions/EarlyTerminationPolicyConfiguration"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "slackFactor": {
+              "format": "float",
+              "type": "number"
+            },
+            "slackAmount": {
+              "format": "float",
+              "type": "number"
+            }
+          }
+        }
+      ],
+      "x-ms-discriminator-value": "Bandit",
+      "additionalProperties": false
+    },
+    "MedianStoppingPolicyConfiguration": {
+      "description": "Defines an early termination policy based on running averages of the primary metric of all runs",
+      "allOf": [
+        {
+          "$ref": "#/definitions/EarlyTerminationPolicyConfiguration"
+        },
+        {
+          "type": "object"
+        }
+      ],
+      "x-ms-discriminator-value": "MedianStopping",
+      "additionalProperties": false
+    },
+    "TruncationSelectionPolicyConfiguration": {
+      "description": "Defines an early termination policy that cancels a given percentage of runs at each evaluation interval.",
+      "allOf": [
+        {
+          "$ref": "#/definitions/EarlyTerminationPolicyConfiguration"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "truncationPercentage": {
+              "format": "int32",
+              "type": "integer"
+            },
+            "excludeFinishedJobs": {
+              "type": "boolean"
+            }
+          }
+        }
+      ],
+      "x-ms-discriminator-value": "TruncationSelection",
+      "additionalProperties": false
+    },
     "TerminationConfiguration": {
       "type": "object",
       "properties": {