diff --git a/manifest.json b/manifest.json
index 9175114a9..cb30fea12 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
     "variables": {
-        "${LATEST}": "3.342.17"
+        "${LATEST}": "3.342.19"
     },
     "endpoints": "https://raw.githubusercontent.com/aws/aws-sdk-php/${LATEST}/src/data/endpoints.json",
     "services": {
diff --git a/src/Service/CodeBuild/CHANGELOG.md b/src/Service/CodeBuild/CHANGELOG.md
index 1a5ea742c..a902a9217 100644
--- a/src/Service/CodeBuild/CHANGELOG.md
+++ b/src/Service/CodeBuild/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## NOT RELEASED
 
+### Added
+
+- AWS api-change: This release adds support for environment type WINDOWS_SERVER_2022_CONTAINER in ProjectEnvironment
+- AWS api-change: Added `us-isob-east-1` region.
+
 ## 2.9.0
 
 ### Added
diff --git a/src/Service/CodeBuild/composer.json b/src/Service/CodeBuild/composer.json
index 418bb1515..2187c09cd 100644
--- a/src/Service/CodeBuild/composer.json
+++ b/src/Service/CodeBuild/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.9-dev"
+            "dev-master": "2.10-dev"
         }
     }
 }
diff --git a/src/Service/CodeBuild/src/CodeBuildClient.php b/src/Service/CodeBuild/src/CodeBuildClient.php
index 8d193ff57..61fcca5eb 100644
--- a/src/Service/CodeBuild/src/CodeBuildClient.php
+++ b/src/Service/CodeBuild/src/CodeBuildClient.php
@@ -224,6 +224,13 @@ protected function getEndpointMetadata(?string $region): array
                     'signService' => 'codebuild',
                     'signVersions' => ['v4'],
                 ];
+            case 'us-isob-east-1':
+                return [
+                    'endpoint' => 'https://codebuild.us-isob-east-1.sc2s.sgov.gov',
+                    'signRegion' => 'us-isob-east-1',
+                    'signService' => 'codebuild',
+                    'signVersions' => ['v4'],
+                ];
         }
 
         return [
diff --git a/src/Service/CodeBuild/src/Enum/EnvironmentType.php b/src/Service/CodeBuild/src/Enum/EnvironmentType.php
index 64b3884fd..f1145ddfa 100644
--- a/src/Service/CodeBuild/src/Enum/EnvironmentType.php
+++ b/src/Service/CodeBuild/src/Enum/EnvironmentType.php
@@ -15,6 +15,7 @@ final class EnvironmentType
     public const WINDOWS_CONTAINER = 'WINDOWS_CONTAINER';
     public const WINDOWS_EC2 = 'WINDOWS_EC2';
     public const WINDOWS_SERVER_2019_CONTAINER = 'WINDOWS_SERVER_2019_CONTAINER';
+    public const WINDOWS_SERVER_2022_CONTAINER = 'WINDOWS_SERVER_2022_CONTAINER';
 
     public static function exists(string $value): bool
     {
@@ -30,6 +31,7 @@ public static function exists(string $value): bool
             self::WINDOWS_CONTAINER => true,
             self::WINDOWS_EC2 => true,
             self::WINDOWS_SERVER_2019_CONTAINER => true,
+            self::WINDOWS_SERVER_2022_CONTAINER => true,
         ][$value]);
     }
 }
diff --git a/src/Service/Ecr/CHANGELOG.md b/src/Service/Ecr/CHANGELOG.md
index 64ef702cb..729bd8aff 100644
--- a/src/Service/Ecr/CHANGELOG.md
+++ b/src/Service/Ecr/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Changed
+
+- AWS enhancement: Documentation updates.
+
 ## 1.9.0
 
 ### Added
diff --git a/src/Service/Ecr/src/Result/GetAuthorizationTokenResponse.php b/src/Service/Ecr/src/Result/GetAuthorizationTokenResponse.php
index 4970994ff..edb093c44 100644
--- a/src/Service/Ecr/src/Result/GetAuthorizationTokenResponse.php
+++ b/src/Service/Ecr/src/Result/GetAuthorizationTokenResponse.php
@@ -11,6 +11,9 @@ class GetAuthorizationTokenResponse extends Result
     /**
      * A list of authorization token data objects that correspond to the `registryIds` values in the request.
      *
+     * > The size of the authorization token returned by Amazon ECR is not fixed. We recommend that you don't make
+     * > assumptions about the maximum size.
+     *
      * @var AuthorizationData[]
      */
     private $authorizationData;