diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-12-12/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-12-12/blob.json
index 03c0f26474cf..299115f3272e 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-12-12/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2019-12-12/blob.json
@@ -3144,6 +3144,11 @@
                 "type": "string",
                 "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
               },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
@@ -3383,6 +3388,16 @@
                 "type": "string",
                 "description": "Indicates the version of the Blob service used to execute the request. This header is returned for requests made against version 2009-09-19 and above."
               },
+              "x-ms-version-id": {
+                "x-ms-client-name": "VersionId",
+                "type": "string",
+                "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
+              },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
@@ -5959,7 +5974,7 @@
             "$ref": "#/parameters/SourceIfNoneMatch"
           },
           {
-            "$ref": "#/parameters/SourceIfTags"	
+            "$ref": "#/parameters/SourceIfTags"
           },
           {
             "$ref": "#/parameters/IfModifiedSince"
@@ -10553,7 +10568,7 @@
           "$ref": "#/definitions/QuerySerialization",
           "xml": {
             "name": "InputSerialization"
-          }      
+          }
         },
         "OutputSerialization": {
           "$ref": "#/definitions/QuerySerialization",
diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-02-10/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-02-10/blob.json
index d0169ee6af85..da3c87709516 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-02-10/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-02-10/blob.json
@@ -3144,6 +3144,11 @@
                 "type": "string",
                 "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
               },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
@@ -3389,6 +3394,16 @@
                 "type": "string",
                 "description": "Indicates the version of the Blob service used to execute the request. This header is returned for requests made against version 2009-09-19 and above."
               },
+              "x-ms-version-id": {
+                "x-ms-client-name": "VersionId",
+                "type": "string",
+                "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
+              },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
@@ -5977,7 +5992,7 @@
             "$ref": "#/parameters/SourceIfNoneMatch"
           },
           {
-            "$ref": "#/parameters/SourceIfTags"	
+            "$ref": "#/parameters/SourceIfTags"
           },
           {
             "$ref": "#/parameters/IfModifiedSince"
@@ -10622,7 +10637,7 @@
           "$ref": "#/definitions/QuerySerialization",
           "xml": {
             "name": "InputSerialization"
-          }      
+          }
         },
         "OutputSerialization": {
           "$ref": "#/definitions/QuerySerialization",
diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json
index c7f908e086d5..c9d45b1d1dad 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json
@@ -3144,6 +3144,11 @@
                 "type": "string",
                 "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
               },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
@@ -3389,6 +3394,16 @@
                 "type": "string",
                 "description": "Indicates the version of the Blob service used to execute the request. This header is returned for requests made against version 2009-09-19 and above."
               },
+              "x-ms-version-id": {
+                "x-ms-client-name": "VersionId",
+                "type": "string",
+                "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
+              },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-06-12/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-06-12/blob.json
index 089878a74c3f..06bd1862d5e7 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-06-12/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-06-12/blob.json
@@ -3144,6 +3144,11 @@
                 "type": "string",
                 "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
               },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
@@ -3389,6 +3394,16 @@
                 "type": "string",
                 "description": "Indicates the version of the Blob service used to execute the request. This header is returned for requests made against version 2009-09-19 and above."
               },
+              "x-ms-version-id": {
+                "x-ms-client-name": "VersionId",
+                "type": "string",
+                "description": "A DateTime value returned by the service that uniquely identifies the blob. The value of this header indicates the blob version, and may be used in subsequent requests to access this version of the blob."
+              },
+              "x-ms-is-current-version": {
+                "x-ms-client-name": "IsCurrentVersion",
+                "type": "boolean",
+                "description": "The value of this header indicates whether version of this blob is a current version, see also x-ms-version-id header."
+              },
               "Accept-Ranges": {
                 "type": "string",
                 "description": "Indicates that the service supports requests for partial blob content."
@@ -6182,7 +6197,7 @@
             "$ref": "#/parameters/SourceIfNoneMatch"
           },
           {
-            "$ref": "#/parameters/SourceIfTags"	
+            "$ref": "#/parameters/SourceIfTags"
           },
           {
             "$ref": "#/parameters/IfModifiedSince"
@@ -10833,7 +10848,7 @@
           "$ref": "#/definitions/QuerySerialization",
           "xml": {
             "name": "InputSerialization"
-          }      
+          }
         },
         "OutputSerialization": {
           "$ref": "#/definitions/QuerySerialization",