Version 2.4.0

 Type: AWS::AmazonMQ::Broker Properties:   SecurityGroups:     - String   EngineVersion: String   Configuration:     Revision: Integer     Id: String   MaintenanceWindowStartTime:     DayOfWeek: String     TimeOfDay: String     TimeZone: String   DeploymentMode: String   HostInstanceType: String   EngineType: String   AutoMinorVersionUpgrade: Boolean   Users:     - Username: String       Groups:         - String       ConsoleAccess: Boolean       Password: String   PubliclyAccessible: Boolean   SubnetIds:     - String   BrokerName: String Fn::GetAtt:   BrokerId: String

 Type: AWS::AmazonMQ::Configuration Properties:   EngineVersion: String   Description: String   EngineType: String   Data: String   Name: String Fn::GetAtt:   Revision: Integer   Id: String   Arn: String

 Type: AWS::CodePipeline::Webhook Properties:   AuthenticationConfiguration:     AllowedIPRange: String     SecretToken: String   Filters:     - JsonPath: String       MatchEquals: String   Authentication: String   TargetPipeline: String   TargetAction: String   Name: String   TargetPipelineVersion: Integer   RegisterWithThirdParty: Boolean Fn::GetAtt:   Url: String

 Type: AWS::EC2::VPCEndpointConnectionNotification Properties:   ConnectionEvents:     - String   VPCEndpointId: String   ServiceId: String   ConnectionNotificationArn: String

 Type: AWS::EKS::Cluster Properties:   Version: String   RoleArn: String   ResourcesVpcConfig:     SecurityGroupIds:       - String     SubnetIds:       - String   Name: String Fn::GetAtt:   Endpoint: String   Arn: String   CertificateAuthorityData: String

 Type: AWS::Neptune::DBCluster Properties:   StorageEncrypted: Boolean   KmsKeyId: String   AvailabilityZones:     - String   SnapshotIdentifier: String   Port: Integer   DBClusterIdentifier: String   PreferredMaintenanceWindow: String   IamAuthEnabled: Boolean   DBSubnetGroupName: String   PreferredBackupWindow: String   VpcSecurityGroupIds:     - String   DBClusterParameterGroupName: String   BackupRetentionPeriod: Integer   Tags:     - Key: String       Value: String Fn::GetAtt:   ClusterResourceId: String   Endpoint: String   Port: String   ReadEndpoint: String

 Type: AWS::Neptune::DBClusterParameterGroup Properties:   Description: String   Parameters: Json   Family: String   Tags:     - Key: String       Value: String   Name: String

 Type: AWS::Neptune::DBInstance Properties:   DBParameterGroupName: String   DBInstanceClass: String   AllowMajorVersionUpgrade: Boolean   DBClusterIdentifier: String   AvailabilityZone: String   PreferredMaintenanceWindow: String   AutoMinorVersionUpgrade: Boolean   DBSubnetGroupName: String   DBInstanceIdentifier: String   DBSnapshotIdentifier: String   Tags:     - Key: String       Value: String Fn::GetAtt:   Endpoint: String   Port: String

 Type: AWS::Neptune::DBParameterGroup Properties:   Description: String   Parameters: Json   Family: String   Tags:     - Key: String       Value: String   Name: String

 Type: AWS::Neptune::DBSubnetGroup Properties:   DBSubnetGroupName: String   DBSubnetGroupDescription: String   SubnetIds:     - String   Tags:     - Key: String       Value: String

 Type: AWS::SageMaker::Endpoint Properties:   EndpointName: String   EndpointConfigName: String   Tags:     - Key: String       Value: String Fn::GetAtt:   EndpointName: String

 Type: AWS::SageMaker::EndpointConfig Properties:   ProductionVariants:     - ModelName: String       VariantName: String       InitialInstanceCount: Integer       InstanceType: String       InitialVariantWeight: Double   KmsKeyId: String   EndpointConfigName: String   Tags:     - Key: String       Value: String Fn::GetAtt:   EndpointConfigName: String

 Type: AWS::SageMaker::Model Properties:   ExecutionRoleArn: String   PrimaryContainer:     ContainerHostname: String     Environment: Json     ModelDataUrl: String     Image: String   ModelName: String   VpcConfig:     Subnets:       - String     SecurityGroupIds:       - String   Tags:     - Key: String       Value: String Fn::GetAtt:   ModelName: String

 Type: AWS::SageMaker::NotebookInstance Properties:   KmsKeyId: String   DirectInternetAccess: String   SubnetId: String   NotebookInstanceName: String   InstanceType: String   LifecycleConfigName: String   SecurityGroupIds:     - String   RoleArn: String   Tags:     - Key: String       Value: String Fn::GetAtt:   NotebookInstanceName: String

 Type: AWS::SageMaker::NotebookInstanceLifecycleConfig Properties:   OnStart:     - Content: String   NotebookInstanceLifecycleConfigName: String   OnCreate:  # NotebookInstanceLifecycleHook: see above Fn::GetAtt:   NotebookInstanceLifecycleConfigName: String

 Type: AWS::SSM::ResourceDataSync Properties:   KMSKeyArn: String   BucketName: String   BucketRegion: String   SyncFormat: String   SyncName: String   BucketPrefix: String

 Type: AWS::AppSync::DataSource Properties:+added:   HttpConfig:+added:     Endpoint: String

 Type: AWS::Athena::NamedQuery Properties:   # Update requires: No interruption → Replacement~modified:   Database: String   # Update requires: No interruption → Replacement~modified:   Description: String   # Update requires: No interruption → Replacement~modified:   QueryString: String

 Type: AWS::CodeBuild::Project Properties:   Environment:+added:     Certificate: String   Source:+added:     ReportBuildStatus: Boolean

 Type: AWS::EC2::VPCEndpoint Properties:+added:   IsPrivateDnsEnabled: Boolean   # Duplicates allowed: No → Not specified~modified:   RouteTableIds:     - String+added:   SecurityGroupIds:+added:     - String+added:   SubnetIds:+added:     - String+added:   VPCEndpointType: String

 Type: AWS::GuardDuty::Master Properties:   # Required: Yes → No~modified:   InvitationId: String

 Type: AWS::ServiceDiscovery::Service Properties:   DnsConfig:+added:     RoutingPolicy: String+added:   HealthCheckCustomConfig:+added:     FailureThreshold: Double