diff --git a/clients/client-codepipeline/src/commands/GetPipelineStateCommand.ts b/clients/client-codepipeline/src/commands/GetPipelineStateCommand.ts
index f238ce8e93374..578a3f43437c1 100644
--- a/clients/client-codepipeline/src/commands/GetPipelineStateCommand.ts
+++ b/clients/client-codepipeline/src/commands/GetPipelineStateCommand.ts
@@ -92,6 +92,7 @@ export interface GetPipelineStateCommandOutput extends GetPipelineStateOutput, _
  * //               code: "STRING_VALUE",
  * //               message: "STRING_VALUE",
  * //             },
+ * //             logStreamARN: "STRING_VALUE",
  * //           },
  * //           entityUrl: "STRING_VALUE",
  * //           revisionUrl: "STRING_VALUE",
diff --git a/clients/client-codepipeline/src/commands/ListActionExecutionsCommand.ts b/clients/client-codepipeline/src/commands/ListActionExecutionsCommand.ts
index 1c2c615f5e34b..7589bb8d0ebab 100644
--- a/clients/client-codepipeline/src/commands/ListActionExecutionsCommand.ts
+++ b/clients/client-codepipeline/src/commands/ListActionExecutionsCommand.ts
@@ -105,6 +105,7 @@ export interface ListActionExecutionsCommandOutput extends ListActionExecutionsO
  * //             code: "STRING_VALUE",
  * //             message: "STRING_VALUE",
  * //           },
+ * //           logStreamARN: "STRING_VALUE",
  * //         },
  * //         outputVariables: { // OutputVariablesMap
  * //           "<keys>": "STRING_VALUE",
diff --git a/clients/client-codepipeline/src/models/models_0.ts b/clients/client-codepipeline/src/models/models_0.ts
index 48ee81adca745..2057935f3cba3 100644
--- a/clients/client-codepipeline/src/models/models_0.ts
+++ b/clients/client-codepipeline/src/models/models_0.ts
@@ -629,6 +629,12 @@ export interface ActionExecution {
    * @public
    */
   errorDetails?: ErrorDetails | undefined;
+
+  /**
+   * <p>The Amazon Resource Name (ARN) of the log stream for the action compute.</p>
+   * @public
+   */
+  logStreamARN?: string | undefined;
 }
 
 /**
@@ -748,6 +754,12 @@ export interface ActionExecutionResult {
    * @public
    */
   errorDetails?: ErrorDetails | undefined;
+
+  /**
+   * <p>The Amazon Resource Name (ARN) of the log stream for the action compute.</p>
+   * @public
+   */
+  logStreamARN?: string | undefined;
 }
 
 /**
@@ -5771,6 +5783,12 @@ export interface PutApprovalResultInput {
    * <p>The system-generated token used to identify a unique approval request. The token
    *             for each open approval request can be obtained using the <a>GetPipelineState</a> action. It is used to validate that the approval
    *             request corresponding to this token is still valid.</p>
+   *          <important>
+   *             <p>For a pipeline where the execution mode is set to PARALLEL, the token required to
+   *                 approve/reject approval request as detailed above is not available. Instead, use the
+   *                     <code>externalExecutionId</code> from the <code>GetPipelineState</code> action
+   *                 as the token in the approval request.</p>
+   *          </important>
    * @public
    */
   token: string | undefined;
diff --git a/clients/client-codepipeline/src/protocols/Aws_json1_1.ts b/clients/client-codepipeline/src/protocols/Aws_json1_1.ts
index 6fff6ecb2d131..97bf64ab904b7 100644
--- a/clients/client-codepipeline/src/protocols/Aws_json1_1.ts
+++ b/clients/client-codepipeline/src/protocols/Aws_json1_1.ts
@@ -2820,6 +2820,7 @@ const de_ActionExecution = (output: any, context: __SerdeContext): ActionExecuti
     externalExecutionUrl: __expectString,
     lastStatusChange: (_: any) => __expectNonNull(__parseEpochTimestamp(__expectNumber(_))),
     lastUpdatedBy: __expectString,
+    logStreamARN: __expectString,
     percentComplete: __expectInt32,
     status: __expectString,
     summary: __expectString,
diff --git a/codegen/sdk-codegen/aws-models/codepipeline.json b/codegen/sdk-codegen/aws-models/codepipeline.json
index 4619f1fbab849..485088bb11a7f 100644
--- a/codegen/sdk-codegen/aws-models/codepipeline.json
+++ b/codegen/sdk-codegen/aws-models/codepipeline.json
@@ -567,6 +567,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The details of an error returned by a URL external to Amazon Web Services.</p>"
           }
+        },
+        "logStreamARN": {
+          "target": "com.amazonaws.codepipeline#LogStreamARN",
+          "traits": {
+            "smithy.api#documentation": "<p>The Amazon Resource Name (ARN) of the log stream for the action compute.</p>"
+          }
         }
       },
       "traits": {
@@ -772,6 +778,12 @@
         },
         "errorDetails": {
           "target": "com.amazonaws.codepipeline#ErrorDetails"
+        },
+        "logStreamARN": {
+          "target": "com.amazonaws.codepipeline#LogStreamARN",
+          "traits": {
+            "smithy.api#documentation": "<p>The Amazon Resource Name (ARN) of the log stream for the action compute.</p>"
+          }
         }
       },
       "traits": {
@@ -5834,6 +5846,15 @@
         "smithy.api#output": {}
       }
     },
+    "com.amazonaws.codepipeline#LogStreamARN": {
+      "type": "string",
+      "traits": {
+        "smithy.api#length": {
+          "min": 1,
+          "max": 250
+        }
+      }
+    },
     "com.amazonaws.codepipeline#MatchEquals": {
       "type": "string",
       "traits": {
@@ -7130,7 +7151,7 @@
         "token": {
           "target": "com.amazonaws.codepipeline#ApprovalToken",
           "traits": {
-            "smithy.api#documentation": "<p>The system-generated token used to identify a unique approval request. The token\n            for each open approval request can be obtained using the <a>GetPipelineState</a> action. It is used to validate that the approval\n            request corresponding to this token is still valid.</p>",
+            "smithy.api#documentation": "<p>The system-generated token used to identify a unique approval request. The token\n            for each open approval request can be obtained using the <a>GetPipelineState</a> action. It is used to validate that the approval\n            request corresponding to this token is still valid.</p>\n         <important>\n            <p>For a pipeline where the execution mode is set to PARALLEL, the token required to\n                approve/reject approval request as detailed above is not available. Instead, use the\n                    <code>externalExecutionId</code> from the <code>GetPipelineState</code> action\n                as the token in the approval request.</p>\n         </important>",
             "smithy.api#required": {}
           }
         }