diff --git a/clients/client-support/README.md b/clients/client-support/README.md
index 1db21987e03a..227e12831a71 100644
--- a/clients/client-support/README.md
+++ b/clients/client-support/README.md
@@ -45,7 +45,7 @@ severity levels. You use these values when you call the <a>CreateCase</a> operat
 </li>
 </ul>
 <p>You can also use the Amazon Web Services Support API to call the  Trusted Advisor operations. For more
-information, see <a href="https://docs.aws.amazon.com/">Trusted Advisor</a> in the
+information, see <a href="https://docs.aws.amazon.com/awssupport/latest/user/trusted-advisor.html">Trusted Advisor</a> in the
 <i>Amazon Web Services Support User Guide</i>.</p>
 <p>For authentication of requests, Amazon Web Services Support uses <a href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature Version 4 Signing
 Process</a>.</p>
diff --git a/clients/client-support/src/Support.ts b/clients/client-support/src/Support.ts
index e9fe862b539d..c2349bc96af2 100644
--- a/clients/client-support/src/Support.ts
+++ b/clients/client-support/src/Support.ts
@@ -394,7 +394,7 @@ export interface Support {
  *             </li>
  *          </ul>
  *          <p>You can also use the Amazon Web Services Support API to call the  Trusted Advisor operations. For more
- *             information, see <a href="https://docs.aws.amazon.com/">Trusted Advisor</a> in the
+ *             information, see <a href="https://docs.aws.amazon.com/awssupport/latest/user/trusted-advisor.html">Trusted Advisor</a> in the
  *                 <i>Amazon Web Services Support User Guide</i>.</p>
  *          <p>For authentication of requests, Amazon Web Services Support uses <a href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature Version 4 Signing
  *                 Process</a>.</p>
diff --git a/clients/client-support/src/SupportClient.ts b/clients/client-support/src/SupportClient.ts
index e272ec836df5..81187b1878eb 100644
--- a/clients/client-support/src/SupportClient.ts
+++ b/clients/client-support/src/SupportClient.ts
@@ -365,7 +365,7 @@ export interface SupportClientResolvedConfig extends SupportClientResolvedConfig
  *             </li>
  *          </ul>
  *          <p>You can also use the Amazon Web Services Support API to call the  Trusted Advisor operations. For more
- *             information, see <a href="https://docs.aws.amazon.com/">Trusted Advisor</a> in the
+ *             information, see <a href="https://docs.aws.amazon.com/awssupport/latest/user/trusted-advisor.html">Trusted Advisor</a> in the
  *                 <i>Amazon Web Services Support User Guide</i>.</p>
  *          <p>For authentication of requests, Amazon Web Services Support uses <a href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature Version 4 Signing
  *                 Process</a>.</p>
diff --git a/clients/client-support/src/index.ts b/clients/client-support/src/index.ts
index dae78498b1f3..a18ad4318647 100644
--- a/clients/client-support/src/index.ts
+++ b/clients/client-support/src/index.ts
@@ -39,7 +39,7 @@
  *             </li>
  *          </ul>
  *          <p>You can also use the Amazon Web Services Support API to call the  Trusted Advisor operations. For more
- *             information, see <a href="https://docs.aws.amazon.com/">Trusted Advisor</a> in the
+ *             information, see <a href="https://docs.aws.amazon.com/awssupport/latest/user/trusted-advisor.html">Trusted Advisor</a> in the
  *                 <i>Amazon Web Services Support User Guide</i>.</p>
  *          <p>For authentication of requests, Amazon Web Services Support uses <a href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature Version 4 Signing
  *                 Process</a>.</p>
diff --git a/clients/client-support/src/models/models_0.ts b/clients/client-support/src/models/models_0.ts
index b031cd4d4511..41b61e907c3e 100644
--- a/clients/client-support/src/models/models_0.ts
+++ b/clients/client-support/src/models/models_0.ts
@@ -5,7 +5,7 @@ import { SupportServiceException as __BaseException } from "./SupportServiceExce
 
 /**
  * <p>An attachment to a case communication. The attachment consists of the file name and
- *             the content of the file.</p>
+ *             the content of the file. Each attachment file size should not exceed 5 MB. File types that are supported include the following: pdf, jpeg,.doc, .log, .text </p>
  * @public
  */
 export interface Attachment {
@@ -626,6 +626,16 @@ export interface RecentCaseCommunications {
  *                <ul>
  *                   <li>
  *                      <p>
+ *                         <code>all-open</code>
+ *                      </p>
+ *                   </li>
+ *                   <li>
+ *                      <p>
+ *                         <code>customer-action-completed</code>
+ *                      </p>
+ *                   </li>
+ *                   <li>
+ *                      <p>
  *                         <code>opened</code>
  *                      </p>
  *                   </li>
@@ -703,6 +713,16 @@ export interface CaseDetails {
    *          <ul>
    *             <li>
    *                <p>
+   *                   <code>all-open</code>
+   *                </p>
+   *             </li>
+   *             <li>
+   *                <p>
+   *                   <code>customer-action-completed</code>
+   *                </p>
+   *             </li>
+   *             <li>
+   *                <p>
    *                   <code>opened</code>
    *                </p>
    *             </li>
diff --git a/codegen/sdk-codegen/aws-models/support.json b/codegen/sdk-codegen/aws-models/support.json
index 7696c9b4f4c3..5baa91b42a66 100644
--- a/codegen/sdk-codegen/aws-models/support.json
+++ b/codegen/sdk-codegen/aws-models/support.json
@@ -94,7 +94,7 @@
           "name": "support"
         },
         "aws.protocols#awsJson1_1": {},
-        "smithy.api#documentation": "<fullname>Amazon Web Services Support</fullname>\n         <p>The <i>Amazon Web Services Support API Reference</i> is intended for programmers who need detailed\n            information about the Amazon Web Services Support operations and data types. You can use the API to manage\n            your support cases programmatically. The Amazon Web Services Support API uses HTTP methods that return\n            results in JSON format.</p>\n         <note>\n            <ul>\n               <li>\n                  <p>You must have a Business, Enterprise On-Ramp, or Enterprise Support plan to use the Amazon Web Services Support\n                        API. </p>\n               </li>\n               <li>\n                  <p>If you call the Amazon Web Services Support API from an account that doesn't have a\n                        Business, Enterprise On-Ramp, or Enterprise Support plan, the\n                            <code>SubscriptionRequiredException</code> error message appears. For\n                        information about changing your support plan, see <a href=\"http://aws.amazon.com/premiumsupport/\">Amazon Web Services Support</a>.</p>\n               </li>\n            </ul>\n         </note>\n         <p>You can also use the Amazon Web Services Support API to access features for <a href=\"http://aws.amazon.com/premiumsupport/trustedadvisor/\">Trusted Advisor</a>. You can return a list of\n            checks and their descriptions, get check results, specify checks to refresh, and get the\n            refresh status of checks.</p>\n         <p>You can manage your support cases with the following Amazon Web Services Support API operations:</p>\n         <ul>\n            <li>\n               <p>The <a>CreateCase</a>, <a>DescribeCases</a>, <a>DescribeAttachment</a>, and <a>ResolveCase</a> operations\n                    create Amazon Web Services Support cases, retrieve information about cases, and resolve cases.</p>\n            </li>\n            <li>\n               <p>The <a>DescribeCommunications</a>, <a>AddCommunicationToCase</a>, and <a>AddAttachmentsToSet</a> operations retrieve and add communications and attachments to Amazon Web Services Support\n                    cases.</p>\n            </li>\n            <li>\n               <p>The <a>DescribeServices</a> and <a>DescribeSeverityLevels</a> operations return Amazon Web Service names, service codes, service categories, and problem\n                    severity levels. You use these values when you call the <a>CreateCase</a> operation.</p>\n            </li>\n         </ul>\n         <p>You can also use the Amazon Web Services Support API to call the  Trusted Advisor operations. For more\n            information, see <a href=\"https://docs.aws.amazon.com/\">Trusted Advisor</a> in the\n                <i>Amazon Web Services Support User Guide</i>.</p>\n         <p>For authentication of requests, Amazon Web Services Support uses <a href=\"https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html\">Signature Version 4 Signing\n                Process</a>.</p>\n         <p>For more information about this service and the endpoints to use, see <a href=\"https://docs.aws.amazon.com/awssupport/latest/user/about-support-api.html\">About the\n                Amazon Web Services Support API</a> in the <i>Amazon Web Services Support User Guide</i>.</p>",
+        "smithy.api#documentation": "<fullname>Amazon Web Services Support</fullname>\n         <p>The <i>Amazon Web Services Support API Reference</i> is intended for programmers who need detailed\n            information about the Amazon Web Services Support operations and data types. You can use the API to manage\n            your support cases programmatically. The Amazon Web Services Support API uses HTTP methods that return\n            results in JSON format.</p>\n         <note>\n            <ul>\n               <li>\n                  <p>You must have a Business, Enterprise On-Ramp, or Enterprise Support plan to use the Amazon Web Services Support\n                        API. </p>\n               </li>\n               <li>\n                  <p>If you call the Amazon Web Services Support API from an account that doesn't have a\n                        Business, Enterprise On-Ramp, or Enterprise Support plan, the\n                            <code>SubscriptionRequiredException</code> error message appears. For\n                        information about changing your support plan, see <a href=\"http://aws.amazon.com/premiumsupport/\">Amazon Web Services Support</a>.</p>\n               </li>\n            </ul>\n         </note>\n         <p>You can also use the Amazon Web Services Support API to access features for <a href=\"http://aws.amazon.com/premiumsupport/trustedadvisor/\">Trusted Advisor</a>. You can return a list of\n            checks and their descriptions, get check results, specify checks to refresh, and get the\n            refresh status of checks.</p>\n         <p>You can manage your support cases with the following Amazon Web Services Support API operations:</p>\n         <ul>\n            <li>\n               <p>The <a>CreateCase</a>, <a>DescribeCases</a>, <a>DescribeAttachment</a>, and <a>ResolveCase</a> operations\n                    create Amazon Web Services Support cases, retrieve information about cases, and resolve cases.</p>\n            </li>\n            <li>\n               <p>The <a>DescribeCommunications</a>, <a>AddCommunicationToCase</a>, and <a>AddAttachmentsToSet</a> operations retrieve and add communications and attachments to Amazon Web Services Support\n                    cases.</p>\n            </li>\n            <li>\n               <p>The <a>DescribeServices</a> and <a>DescribeSeverityLevels</a> operations return Amazon Web Service names, service codes, service categories, and problem\n                    severity levels. You use these values when you call the <a>CreateCase</a> operation.</p>\n            </li>\n         </ul>\n         <p>You can also use the Amazon Web Services Support API to call the  Trusted Advisor operations. For more\n            information, see <a href=\"https://docs.aws.amazon.com/awssupport/latest/user/trusted-advisor.html\">Trusted Advisor</a> in the\n                <i>Amazon Web Services Support User Guide</i>.</p>\n         <p>For authentication of requests, Amazon Web Services Support uses <a href=\"https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html\">Signature Version 4 Signing\n                Process</a>.</p>\n         <p>For more information about this service and the endpoints to use, see <a href=\"https://docs.aws.amazon.com/awssupport/latest/user/about-support-api.html\">About the\n                Amazon Web Services Support API</a> in the <i>Amazon Web Services Support User Guide</i>.</p>",
         "smithy.api#title": "AWS Support",
         "smithy.api#xmlNamespace": {
           "uri": "http://support.amazonaws.com/doc/2013-04-15/"
@@ -1387,7 +1387,7 @@
         }
       },
       "traits": {
-        "smithy.api#documentation": "<p>An attachment to a case communication. The attachment consists of the file name and\n            the content of the file.</p>"
+        "smithy.api#documentation": "<p>An attachment to a case communication. The attachment consists of the file name and\n            the content of the file. Each attachment file size should not exceed 5 MB. File types that are supported include the following: pdf, jpeg,.doc, .log, .text </p>"
       }
     },
     "com.amazonaws.support#AttachmentDetails": {
@@ -1554,7 +1554,7 @@
         "status": {
           "target": "com.amazonaws.support#Status",
           "traits": {
-            "smithy.api#documentation": "<p>The status of the case.</p>\n         <p>Valid values:</p>\n         <ul>\n            <li>\n               <p>\n                  <code>opened</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>pending-customer-action</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>reopened</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>resolved</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>unassigned</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>work-in-progress</code>\n               </p>\n            </li>\n         </ul>"
+            "smithy.api#documentation": "<p>The status of the case.</p>\n         <p>Valid values:</p>\n         <ul>\n            <li>\n               <p>\n                  <code>all-open</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>customer-action-completed</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>opened</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>pending-customer-action</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>reopened</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>resolved</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>unassigned</code>\n               </p>\n            </li>\n            <li>\n               <p>\n                  <code>work-in-progress</code>\n               </p>\n            </li>\n         </ul>"
           }
         },
         "serviceCode": {
@@ -1607,7 +1607,7 @@
         }
       },
       "traits": {
-        "smithy.api#documentation": "<p>A JSON-formatted object that contains the metadata for a support case. It is contained\n            in the response from a <a>DescribeCases</a> request. <b>CaseDetails</b> contains the following fields:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>caseId</b> - The support case ID requested\n                    or returned in the call. The case ID is an alphanumeric string formatted as\n                    shown in this example:\n                        case-<i>12345678910-2013-c4c1d2bf33c5cf47</i>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>categoryCode</b> - The category of problem\n                    for the support case. Corresponds to the <code>CategoryCode</code> values\n                    returned by a call to <a>DescribeServices</a>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>displayId</b> - The identifier for the case\n                    on pages in the Amazon Web Services Support Center.</p>\n            </li>\n            <li>\n               <p>\n                  <b>language</b> - The language in which Amazon Web Services Support handles the case. Amazon Web Services Support\ncurrently supports Chinese (“zh”), English (\"en\"), Japanese (\"ja\") and Korean (“ko”). You must specify the ISO 639-1\ncode for the <code>language</code> parameter if you want support in that language.</p>\n            </li>\n            <li>\n               <p>\n                  <b>nextToken</b> - A resumption point for\n                    pagination.</p>\n            </li>\n            <li>\n               <p>\n                  <b>recentCommunications</b> - One or more <a>Communication</a> objects. Fields of these objects are\n                        <code>attachments</code>, <code>body</code>, <code>caseId</code>,\n                        <code>submittedBy</code>, and <code>timeCreated</code>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>serviceCode</b> - The identifier for the\n                    Amazon Web Services service that corresponds to the service code defined in the call to <a>DescribeServices</a>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>severityCode</b> - The severity code\n                    assigned to the case. Contains one of the values returned by the call to <a>DescribeSeverityLevels</a>. The possible values are:\n                        <code>low</code>, <code>normal</code>, <code>high</code>,\n                        <code>urgent</code>, and <code>critical</code>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>status</b> - The status of the case in the\n                    Amazon Web Services Support Center. Valid values:</p>\n               <ul>\n                  <li>\n                     <p>\n                        <code>opened</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>pending-customer-action</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>reopened</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>resolved</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>unassigned</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>work-in-progress</code>\n                     </p>\n                  </li>\n               </ul>\n            </li>\n            <li>\n               <p>\n                  <b>subject</b> - The subject line of the\n                    case.</p>\n            </li>\n            <li>\n               <p>\n                  <b>submittedBy</b> - The email address of the\n                    account that submitted the case.</p>\n            </li>\n            <li>\n               <p>\n                  <b>timeCreated</b> - The time the case was\n                    created, in ISO-8601 format.</p>\n            </li>\n         </ul>"
+        "smithy.api#documentation": "<p>A JSON-formatted object that contains the metadata for a support case. It is contained\n            in the response from a <a>DescribeCases</a> request. <b>CaseDetails</b> contains the following fields:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>caseId</b> - The support case ID requested\n                    or returned in the call. The case ID is an alphanumeric string formatted as\n                    shown in this example:\n                        case-<i>12345678910-2013-c4c1d2bf33c5cf47</i>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>categoryCode</b> - The category of problem\n                    for the support case. Corresponds to the <code>CategoryCode</code> values\n                    returned by a call to <a>DescribeServices</a>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>displayId</b> - The identifier for the case\n                    on pages in the Amazon Web Services Support Center.</p>\n            </li>\n            <li>\n               <p>\n                  <b>language</b> - The language in which Amazon Web Services Support handles the case. Amazon Web Services Support\ncurrently supports Chinese (“zh”), English (\"en\"), Japanese (\"ja\") and Korean (“ko”). You must specify the ISO 639-1\ncode for the <code>language</code> parameter if you want support in that language.</p>\n            </li>\n            <li>\n               <p>\n                  <b>nextToken</b> - A resumption point for\n                    pagination.</p>\n            </li>\n            <li>\n               <p>\n                  <b>recentCommunications</b> - One or more <a>Communication</a> objects. Fields of these objects are\n                        <code>attachments</code>, <code>body</code>, <code>caseId</code>,\n                        <code>submittedBy</code>, and <code>timeCreated</code>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>serviceCode</b> - The identifier for the\n                    Amazon Web Services service that corresponds to the service code defined in the call to <a>DescribeServices</a>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>severityCode</b> - The severity code\n                    assigned to the case. Contains one of the values returned by the call to <a>DescribeSeverityLevels</a>. The possible values are:\n                        <code>low</code>, <code>normal</code>, <code>high</code>,\n                        <code>urgent</code>, and <code>critical</code>.</p>\n            </li>\n            <li>\n               <p>\n                  <b>status</b> - The status of the case in the\n                    Amazon Web Services Support Center. Valid values:</p>\n               <ul>\n                  <li>\n                     <p>\n                        <code>all-open</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>customer-action-completed</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>opened</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>pending-customer-action</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>reopened</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>resolved</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>unassigned</code>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <code>work-in-progress</code>\n                     </p>\n                  </li>\n               </ul>\n            </li>\n            <li>\n               <p>\n                  <b>subject</b> - The subject line of the\n                    case.</p>\n            </li>\n            <li>\n               <p>\n                  <b>submittedBy</b> - The email address of the\n                    account that submitted the case.</p>\n            </li>\n            <li>\n               <p>\n                  <b>timeCreated</b> - The time the case was\n                    created, in ISO-8601 format.</p>\n            </li>\n         </ul>"
       }
     },
     "com.amazonaws.support#CaseId": {