diff --git a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/disk.json b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/disk.json
index 78a3c52e3636..58f1f4af33e1 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/disk.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/disk.json
@@ -720,6 +720,12 @@
           "type": "string",
           "description": "ARM id of the DiskAccess resource for using private endpoints on disks."
         },
+        "burstingEnabledTime": {
+          "type": "string",
+          "readOnly": true,
+          "format": "date-time",
+          "description": "Latest time when bursting was last enabled on a disk."
+        },
         "tier": {
           "type": "string",
           "description": "Performance tier of the disk (e.g, P4, S10) as described here: https://azure.microsoft.com/en-us/pricing/details/managed-disks/. Does not apply to Ultra disks."
diff --git a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/diskRPCommon.json b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/diskRPCommon.json
index 38d10e999c4c..f32670fd8eb5 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/diskRPCommon.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/diskRPCommon.json
@@ -360,6 +360,10 @@
         "securityDataUri": {
           "type": "string",
           "description": "If createOption is ImportSecure, this is the URI of a blob to be imported into VM guest state."
+        },
+        "performancePlus": {
+          "type": "boolean",
+          "description": "Set this flag to true to get a boost on the performance target of the disk deployed, see here on the respective performance target. This flag can only be set on disk creation time and cannot be disabled after enabled."
         }
       },
       "required": [
diff --git a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/diskExamples/Disk_Create_PerformancePlus.json b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/diskExamples/Disk_Create_PerformancePlus.json
new file mode 100644
index 000000000000..151859864195
--- /dev/null
+++ b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/diskExamples/Disk_Create_PerformancePlus.json
@@ -0,0 +1,45 @@
+{
+  "parameters": {
+    "subscriptionId": "{subscription-id}",
+    "resourceGroupName": "myResourceGroup",
+    "api-version": "2022-07-02",
+    "diskName": "myDisk",
+    "disk": {
+      "location": "West US",
+      "properties": {
+        "creationData": {
+          "createOption": "Upload",
+          "performancePlus": true
+        }
+      }
+    }
+  },
+  "responses": {
+    "202": {
+      "body": {
+        "properties": {
+          "creationData": {
+            "createOption": "Upload",
+            "performancePlus": true
+          },
+          "provisioningState": "Updating"
+        },
+        "location": "West US",
+        "name": "myDisk"
+      }
+    },
+    "200": {
+      "body": {
+        "properties": {
+          "creationData": {
+            "createOption": "Upload",
+            "performancePlus": true
+          },
+          "provisioningState": "Updating"
+        },
+        "location": "West US",
+        "name": "myDisk"
+      }
+    }
+  }
+}
diff --git a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/diskExamples/Disk_Create_WithUltraSSD_ReadOnly.json b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/diskExamples/Disk_Create_WithUltraSSD_ReadOnly.json
new file mode 100644
index 000000000000..dc9120d28235
--- /dev/null
+++ b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/diskExamples/Disk_Create_WithUltraSSD_ReadOnly.json
@@ -0,0 +1,68 @@
+{
+  "parameters": {
+    "subscriptionId": "{subscription-id}",
+    "resourceGroupName": "myResourceGroup",
+    "api-version": "2022-07-02",
+    "diskName": "myUltraReadOnlyDisk",
+    "disk": {
+      "location": "West US",
+      "sku": {
+        "name": "UltraSSD_LRS"
+      },
+      "properties": {
+        "creationData": {
+          "createOption": "Empty",
+          "logicalSectorSize": 4096
+        },
+        "diskSizeGB": 200,
+        "diskIOPSReadWrite": 125,
+        "diskMBpsReadWrite": 3000,
+        "readOnly": true,
+        "encryption": {
+          "type": "EncryptionAtRestWithPlatformKey"
+        }
+      }
+    }
+  },
+  "responses": {
+    "202": {
+      "body": {
+        "properties": {
+          "creationData": {
+            "createOption": "Empty"
+          },
+          "diskSizeGB": 200,
+          "provisioningState": "Updating"
+        },
+        "readOnly": true,
+        "location": "West US",
+        "name": "myUltraReadOnlyDisk",
+        "sku": {
+          "name": "UltraSSD_LRS",
+          "tier": "Ultra"
+        }
+      }
+    },
+    "200": {
+      "body": {
+        "properties": {
+          "creationData": {
+            "createOption": "Empty"
+          },
+          "diskSizeGB": 200,
+          "provisioningState": "Updating"
+        },
+        "encryption": {
+          "type": "EncryptionAtRestWithPlatformKey"
+        },
+        "readOnly": true,
+        "location": "West US",
+        "name": "myUltraReadOnlyDisk",
+        "sku": {
+          "name": "UltraSSD_LRS",
+          "tier": "Ultra"
+        }
+      }
+    }
+  }
+}
diff --git a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/snapshotExamples/Snapshot_GetIncrementalSnapshot.json b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/snapshotExamples/Snapshot_GetIncrementalSnapshot.json
new file mode 100644
index 000000000000..bcb7212a9408
--- /dev/null
+++ b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/examples/snapshotExamples/Snapshot_GetIncrementalSnapshot.json
@@ -0,0 +1,71 @@
+{
+  "parameters": {
+    "subscriptionId": "{subscription-id}",
+    "resourceGroupName": "myResourceGroup",
+    "api-version": "2022-07-02",
+    "snapshotName": "myIncrementalSnapshot"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "properties": {
+          "osType": "Windows",
+          "hyperVGeneration": "V1",
+          "purchasePlan": {
+            "name": "test_sku",
+            "publisher": "test_test_pmc2pc1",
+            "product": "marketplace_vm_test"
+          },
+          "supportedCapabilities": {
+            "acceleratedNetwork": true
+          },
+          "supportsHibernation": true,
+          "creationData": {
+            "createOption": "Copy",
+            "sourceResourceId": "/subscriptions/{subscription-id}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/disks/myDisk",
+            "sourceUniqueId": "d633885d-d102-4481-901e-5b2413d1a7be"
+          },
+          "diskSizeGB": 100,
+          "encryptionSettingsCollection": {
+            "enabled": true,
+            "encryptionSettings": [
+              {
+                "diskEncryptionKey": {
+                  "sourceVault": {
+                    "id": "/subscriptions/{subscriptionId}/resourceGroups/myResourceGroup/providers/Microsoft.KeyVault/vaults/myVMVault"
+                  },
+                  "secretUrl": "https://myvmvault.vault-int.azure-int.net/secrets/{secret}"
+                },
+                "keyEncryptionKey": {
+                  "sourceVault": {
+                    "id": "/subscriptions/{subscriptionId}/resourceGroups/myResourceGroup/providers/Microsoft.KeyVault/vaults/myVMVault"
+                  },
+                  "keyUrl": "https://myvmvault.vault-int.azure-int.net/keys/{key}"
+                }
+              }
+            ]
+          },
+          "encryption": {
+            "type": "EncryptionAtRestWithPlatformKey"
+          },
+          "incremental": true,
+          "networkAccessPolicy": 0,
+          "diskState": 0,
+          "diskSizeBytes": 10737418240,
+          "uniqueId": "a395e9c1-fb9e-446e-a9ba-7b2fa0bcd305",
+          "incrementalSnapshotFamilyId": "d1a341d5-1ea7-4a85-b304-944ad8021639",
+          "timeCreated": "2016-12-28T04:41:35.079872+00:00",
+          "provisioningState": "Succeeded"
+        },
+        "type": "Microsoft.Compute/snapshots",
+        "location": "westus",
+        "tags": {
+          "department": "Development",
+          "project": "Snapshots"
+        },
+        "id": "/subscriptions/{subscriptionId}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/snapshots/myIncrementalSnapshot",
+        "name": "myIncrementalSnapshot"
+      }
+    }
+  }
+}
diff --git a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/snapshot.json b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/snapshot.json
index 813299b78b8a..81d5973af885 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/snapshot.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2022-07-02/snapshot.json
@@ -561,6 +561,11 @@
           "type": "boolean",
           "description": "Whether a snapshot is incremental. Incremental snapshots on the same disk occupy less space than full snapshots and can be diffed."
         },
+        "incrementalSnapshotFamilyId": {
+          "type": "string",
+          "readOnly": true,
+          "description": "Incremental snapshots for a disk share an incremental snapshot family id. The Get Page Range Diff API can only be called on incremental snapshots with the same family id."
+        },
         "encryption": {
           "$ref": "./diskRPCommon.json#/definitions/Encryption",
           "description": "Encryption property can be used to encrypt data at rest with customer managed keys or platform managed keys."