Release History

The following table describes important changes in each release of the AWS CloudFormation User Guide after May 2018. For notification about updates to this documentation, you can subscribe to an RSS feed.

Change	Description	Date
Updated resource	The following resource was updated: AWS::CloudWatch::InsightRule. AWS::CloudWatch::InsightRule The AWS::CloudWatch::InsightRule resource now supports tags. Use the AWS::CloudWatch::InsightRule resource to create Contributor Insights rules. For more information, see Using Contributor Insights to Analyze High-Cardinality Data.	April 2, 2020
Updated resource	The following resource was updated: AWS::FSx::FileSystem AWS::FSx::FileSystem Use the StorageType property to specify the type of storage for the file system, either solid state drive, SSD or hard disk drive, HDD. In the WindowsConfiguration property type, use the DeploymentType property to specify a new Amazon FSx for Windows File Server file system deployment type, SINGLE_AZ_2, the latest generation of Single-AZ file systems.	April 2, 2020
Updated resource	The following resource was updated: AWS::ServiceCatalog::LaunchRoleConstraint. AWS::ServiceCatalog::LaunchRoleConstraint Use the LocalRoleName property to specify an IAM role to use when an account uses a launch constraint.	April 2, 2020
Updated resource	The following resource was updated: AWS::ApiGatewayV2::Integration. AWS::ApiGatewayV2::Integration Use the AWS::ApiGatewayV2::Integration resource to create a private integration for an HTTP API.	March 26, 2020
Updated resource	The following resource was updated: AWS::AutoScaling::AutoScalingGroup AWS::AutoScaling::AutoScalingGroup Use the MaxInstanceLifetime property to specify the maximum amount of time, in seconds, that an instance can be in service.	March 26, 2020
Updated resource	The following resource was updated: AWS::EC2::Volume AWS::EC2::Volume Use the MultiAttachEnabled property to indicate whether Amazon EBS Multi-Attach is enabled.	March 26, 2020
Updated resource	The following resource was updated: AWS::IoT::TopicRule AWS::IoT::TopicRule In the Action property type: Use the Http property to send data to an HTTPS endpoint. Use the IotEvents property to send an input to an AWS IoT Events detector. Use the IotSiteWise property to send data from the MQTT message that triggered the rule to AWS IoT SiteWise asset properties. In the RepublishAction property type, use the Qos property to specify the Quality of Service (QoS) level to use when republishing messages.	March 26, 2020
Updated resource	The following resource was updated: AWS::RDS::DBInstance AWS::RDS::DBInstance The AWS::RDS::DBInstance resource now supports Read Replica across multiple Availability Zone deployments.	March 26, 2020
New resources	The following resources were added: AWS::Detective::Graph and AWS::Detective::MemberInvitation AWS::Detective::Graph Use the AWS::Detective::Graph resource to specify a Detective behavior graph. AWS::Detective::MemberInvitation Use the AWS::Detective::MemberInvitation resource to send an invitation to join a Detective behavior graph.	March 26, 2020
Updated resource	The following resource was updated: AWS::DMS::Endpoint AWS::DMS::Endpoint Use the KafkaSettings property to indicate how to configure the connection to the Apache Kafka cluster specified for your Kafka target endpoint.	March 23, 2020
Updated resource	The following resource was updated: AWS::EC2::ClientVpnEndpoint. AWS::EC2::ClientVpnEndpoint Use the VpcId and SecurityGroupIds properties to assign security groups to your Client VPN endpoint.	March 19, 2020
New resources	The following resources were added: AWS::NetworkManager::CustomerGatewayAssociation, AWS::NetworkManager::Device, AWS::NetworkManager::GlobalNetwork, AWS::NetworkManager::Link, AWS::NetworkManager::LinkAssociation, AWS::NetworkManager::Site, and AWS::NetworkManager::TransitGatewayRegistration AWS::NetworkManager::CustomerGatewayAssociation Use the AWS::NetworkManager::CustomerGatewayAssociation resource to specify an association between a customer gateway, device, and link. AWS::NetworkManager::Device Use the AWS::NetworkManager::Device resource to specify a device in a global network. AWS::NetworkManager::GlobalNetwork Use the AWS::NetworkManager::GlobalNetwork resource to specify a global network. AWS::NetworkManager::Link Use the AWS::NetworkManager::Link resource to specify a link for a site. AWS::NetworkManager::LinkAssociation Use the AWS::NetworkManager::LinkAssociation resource to specify an association between a device and a link. AWS::NetworkManager::Site Use the AWS::NetworkManager::Site resource to specify a site in a global network. AWS::NetworkManager::TransitGatewayRegistration Use the AWS::NetworkManager::TransitGatewayRegistration resource to specify the registration of a transit gateway in a global network.	March 19, 2020
New resource	The following resource was added: AWS::CodeGuruProfiler::ProfilingGroup. AWS::CodeGuruProfiler::ProfilingGroup Use the AWS::CodeGuruProfiler::ProfilingGroup resource to create a profiling group.	March 19, 2020
New resource	The following resource was added: AWS::ResourceGroups::Group AWS::ResourceGroups::Group Use the AWS::ResourceGroups::Group resource to create a resource group with the specified name, description, and resource query.	March 19, 2020
New resources	The following resources were added: AWS::Cassandra::Keyspace and AWS::Cassandra::Table. AWS::Cassandra::Keyspace Use the AWS::Cassandra::Keyspace resource to create a new keyspace in Amazon Managed Apache Cassandra Service. AWS::Cassandra::Table Use the AWS::Cassandra::Table resource to create a new table in Amazon Managed Apache Cassandra Service.	March 16, 2020
Updated resource	The following resources were updated: AWS::AppMesh::VirtualNode, AWS::AppMesh::VirtualRouter, AWS::AppMesh::VirtualService, and AWS::AppMesh::Route AWS::AppMesh::VirtualNode Use the MeshOwner property to specify the account ID that owns a shared mesh. AWS::AppMesh::Route Use the MeshOwner property to specify the account ID that owns a shared mesh. AWS::AppMesh::VirtualRouter Use the MeshOwner property to specify the account ID that owns a shared mesh. AWS::AppMesh::VirtualService Use the MeshOwner property to specify the account ID that owns a shared mesh.	March 12, 2020
Updated resource	The following resource was udpated: AWS::MSK::Cluster AWS::MSK::Cluster Use the LoggingInfo to stream broker logs to one or more of the following destination types: Amazon CloudWatch Logs, Amazon S3, Amazon Kinesis Data Firehose.	March 12, 2020
New and updated resources	The following resources were added or updated: AWS::ApiGatewayV2::ApiGatewayManagedOverrides, AWS::ApiGatewayV2::Integration, and AWS::ApiGatewayV2::VpcLink. AWS::ApiGatewayV2::ApiGatewayManagedOverrides Use the AWS::ApiGatewayV2::ApiGatewayManagedOverrides resource to override the default properties of API Gateway managed resources. AWS::ApiGatewayV2::Integration Use the AWS::ApiGatewayV2::Integration resource to create a private integration for an HTTP API. AWS::ApiGatewayV2::VpcLink Use the AWS::ApiGatewayV2::VpcLink resource to create a VPC link for an HTTP API.	March 12, 2020
Updated resources	The following resources were updated: AWS::Greengrass::ResourceDefinition and AWS::Greengrass::ResourceDefinitionVersion AWS::Greengrass::ResourceDefinition In the S3MachineLearningModelResourceData property type that defines a resource instance, use the OwnerSetting property to specify the Linux OS group owner and permissions for the downloaded machine learning resource. In the SageMakerMachineLearningModelResourceData property type that defines a resource instance, use the OwnerSetting property to specify the Linux OS group owner and permissions for the downloaded machine learning resource. AWS::Greengrass::ResourceDefinitionVersion In the S3MachineLearningModelResourceData property type that defines a resource instance, use the OwnerSetting property to specify the Linux OS group owner and permissions for the downloaded machine learning resource. In the SageMakerMachineLearningModelResourceData property type that defines a resource instance, use the OwnerSetting property to specify the Linux OS group owner and permissions for the downloaded machine learning resource.	March 9, 2020
Updated resource	The following resource was updated: AWS::CloudFront::Distribution. AWS::CloudFront::Distribution In the DistributionConfig property type, use the OriginGroups property to specify information about origin groups for this distribution.	March 5, 2020
Updated resource	The following resource was updated: AWS::EKS::Cluster AWS::EKS::Cluster EncryptionConfig Use the AWS::EKS::Cluster EncryptionConfig property to specify the encryption configuration for a Amazon EKS cluster. AWS::EKS::Cluster Provider Use the AWS::EKS::Cluster Provider property to specify the AWS Key Management Service (AWS KMS) customer master key (CMK) used to encrypt the secrets for a Amazon EKS cluster.	March 5, 2020
New resource	The following resource was added: Workgroups AWS::Athena::WorkGroup Use the WorkGroup resource to separate users, teams, applications, or workloads, set limits on the amount of data the workgroup or its queries can process, and track costs.	March 5, 2020
New resource	The following resource was added: AWS::Chatbot::SlackChannelConfiguration AWS::Chatbot::SlackChannelConfiguration Use the AWS::Chatbot::SlackChannelConfiguration resource to configure a Slack channel with AWS Chatbot.	March 5, 2020
New resource	The following resource was added: AWS::CodeStarConnections::Connection AWS::CodeStarConnections::Connection Use the AWS::CodeStarConnections::Connection resource to connect external source providers with services such as AWS CodePipeline.	March 5, 2020
New resource	The following resource was added: AWS::CloudWatch::CompositeAlarm. AWS::CloudWatch::CompositeAlarm Use the AWS::CloudWatch::CompositeAlarm property to create a composite alarm. Composite alarms evaluate their alarm state based on the alarm states of other CloudWatch rules.	March 2, 2020
Updated resource	The following resource was updated: AWS::AppMesh::VirtualNode AWS::AppMesh::VirtualNode Use the BackendDefaults property to specify a client policy for a backend. Use the ClientPolicy property to specify a client policy. Use the ClientPolicyTls property to specify a Transport Layer Security (TLS) client policy. Use the ListenerTls property to specify a TLS listener. Use the ListenerTlsCertificate property to specify the type of certificate to use for a client policy. Use the ListenerTlsAcmCertificate property to specify an AWS Certificate Manager certificate. Use the ListenerTlsFileCertificate property to specify properties of a local file certificate. Use the TlsValidationContext property to specify a TLS validation context trust. Use the TlsValidationContextAcmTrust property to specify a context trust for an AWS Certificate Manager certificate. Use the TlsValidationContextFileTrust property to specify a file that contains the certificate trust chain for a local file certificate. Use the TlsValidationContextTrust property to specify a TLS validation context trust. Use the VirtualNodeSpec property to specify BackendDefaults. Use the Listener property to specify a ListenerTls.	February 27, 2020
Updated resource	The following resource was updated: AWS::FSx::FileSystem AWS::FSx::FileSystem In the LustreConfiguration property type: Use the DeploymentType property to specify the Amazon FSx for Lustre file system deployment type, either PERSISTENT_1, SCRATCH_2, or SCRATCH_1. Use the PerUnitStorageThroughput property to specify the throughput in MB/s/TiB for a PERSISTENT_1 Amazon FSx for Lustre file system deployment type.	February 27, 2020
New resources	The following resources were added: AWS::GroundStation::Config, AWS::GroundStation::DataflowEndpointGroup, and AWS::GroundStation::MissionProfile AWS::GroundStation::Config Use the AWS::GroundStation::Config resource to specify a Config with the specified parameters. AWS::GroundStation::DataflowEndpointGroup Use the AWS::GroundStation::DataflowEndpointGroup resource to specify a Dataflow Endpoint Group request. AWS::GroundStation::MissionProfile Use the AWS::GroundStation::MissionProfile resource to specify parameters and provide references to config objects to define how Ground Station lists and executes contacts.	February 27, 2020
Updated resource	The following resources was updated: AWS::CodeBuild::Project AWS::CodeBuild::Project Use the ProjectFileSystemLocation property to specify a file system that your AWS CodeBuild build project mounts. You use Amazon Elastic File System (EFS) to create the file system. For more information, see Amazon Elastic File System Sample for CodeBuild.	February 20, 2020
Updated resource	The following resource was updated: AWS::Neptune::DBCluster AWS::Neptune::DBCluster Use the DeletionProtection property to help prevent inadvertent deletion of your DB cluster. Use the EngineVersion property to specify the engine version that your new DB cluster will use.	February 18, 2020
New resources	The following resources were added: AWS::EC2::LocalGatewayRoute and AWS::EC2::LocalGatewayRouteTableVPCAssociation. AWS::EC2::LocalGatewayRoute Use the LocalGatewayRoute resource to associate the specified VPC with the specified local gateway route table. AWS::EC2::LocalGatewayRouteTableVPCAssociation Use the LocalGatewayRouteTableVPCAssociation resource to associate the specified VPC with the specified local gateway route table.	February 14, 2020
Updated resources	The following resource were updated: AWS::ElasticLoadBalancingV2::Listener and AWS::ElasticLoadBalancingV2::ListenerRule AWS::ElasticLoadBalancingV2::Listener In the Action property type, use the ForwardConfig property to specify an action that distributes requests among one or more target groups. AWS::ElasticLoadBalancingV2::ListenerRule In the Action property type, use the ForwardConfig property to specify an action that distributes requests among one or more target groups.	February 13, 2020
Updated resources	The following resources were updated: AWS::Transfer::Server and AWS::Transfer::User. AWS::Transfer::Server In the EndpointDetails property type, use the AddressAllocationIds property to add a list of address allocation IDs that are required to attach an Elastic IP address to your SFTP server's endpoint. In the EndpointDetails property type, use the SubnetIds property to add a list of subnet IDs that are required to host your SFTP server endpoint in your virtual private cloud (VPC). In the EndpointDetails property type, use the VpcId property to add the VPC ID in which the SFTP server's endpoint will be hosted. AWS::Transfer::User Use theHomeDirectoryMappings property to set the logical directory mappings that specify what S3 paths and keys should be visible to your user and how to want to make them visible. Use the HomeDirectoryType property to set the type of landing directory (folder) you want your users' home directory to be when they log into the SFTP server.	February 13, 2020
New resource	The following resources was added: AWS::Config::ConformancePack AWS::Config::ConformancePack Use the AWS::Config::ConformancePack resource to create a Conformance Pack that is a collection of AWS Config rules that can be easily deployed in an account and a region and across AWS Organization.	February 13, 2020
New resource	The following resources was added: AWS::Config::OrganizationConformancePack AWS::Config::OrganizationConformancePack Use the AWS::Config::OrganizationConformancePack resource to create an OrganizationConformancePack that has information about conformance packs that AWS Config creates in the member accounts.	February 13, 2020
New resource	The following resources were added: AWS::FMS::NotificationChannel and AWS::FMS::Policy AWS::FMS::NotificationChannel Use the AWS::FMS::NotificationChannel resource to designate the IAM role and Amazon Simple Notification Service (SNS) topic that AWS Firewall Manager uses to record SNS logs. AWS::FMS::Policy Use the AWS::FMS::Policy resource to specify an AWS Firewall Manager policy.	February 13, 2020
AWS CloudFormation StackSets integrates with AWS Organizations	Use StackSets to centrally manage deployments to all the accounts in your organization or specific organizational units (OUs) in AWS Organizations. You can enable automatic deployments to any new accounts added to your organization or OUs. The permissions needed to deploy across accounts will automatically be handled by StackSets. For more information, see Working with AWS CloudFormation StackSets.	February 11, 2020
Updated resources	The following resources were updated: AWS::EC2::LaunchTemplate and AWS::EC2::ClientVpnEndpoint AWS::EC2::LaunchTemplate Use the MetadataOptions property to configure the Instance Metadata Service (IMDS) for the instance. Use the HostResourceGroupArn property to specify the ARN of the host resource group in which to launch the instances. Use the PartitionNumber property to specify a target partition in a partition placement group. Use the LaunchTemplateElasticInferenceAccelerator property to specify the number of elastic inference accelerators to attach to the instance. AWS::EC2::ClientVpnEndpoint Use the VpnPort property to assign a port number for TCP and UDP traffic.	February 6, 2020
Updated resource	The following resource was updated: AWS::AppSync::GraphQLApi. AWS::AppSync::GraphQLApi When the property xrayEnabled is set to TRUE, X-Ray tracing is enabled for this GraphqlApi.	February 6, 2020
Updated resource	The following resource was updated: AWS::Cognito::UserPool AWS::Cognito::UserPool Added AccountRecoverySetting parameter to define which verified available method a user can use to recover their password.	February 6, 2020
Updated resource	The following resource was updated: AWS::OpsWorksCM::Server AWS::OpsWorksCM::Server Use the Tags property to add tag keys and values to an AWS OpsWorks for Chef Automate or AWS OpsWorks for Puppet Enterprise server.	February 6, 2020
New resource	The following resource was added: AWS::WAFv2::WebACLAssociation. AWS WAFv2 Use the web ACL association to define an association between a Web ACL and a regional application resource, to protect the resource. A regional application can be an Application Load Balancer (ALB) or an API Gateway stage. For CloudFront distributions, you use AWS::CloudFront::Distribution to manage the association.	February 6, 2020
Updated resources	The following resources were updated: AWS::Pinpoint::EmailTemplate, AWS::Pinpoint::PushTemplate, and AWS::Pinpoint::SmsTemplate AWS::Pinpoint::EmailTemplate Use the DefaultSubstitutions property to specify the default values to use for message variables in a message template. Use the TemplateDescription property to specify a custom description of a message template. AWS::Pinpoint::PushTemplate Use the DefaultSubstitutions property to specify the default values to use for message variables in a message template. Use the TemplateDescription property to specify a custom description of a message template. AWS::Pinpoint::SmsTemplate Use the DefaultSubstitutions property to specify the default values to use for message variables in a message template. Use the TemplateDescription property to specify a custom description of a message template.	January 23, 2020
New resources	The following resources were added: AWS::ACMPCA::Certificate, AWS::ACMPCA::CertificateAuthority, and AWS::ACMPCA::CertificateAuthorityActivation. AWS::ACMPCA::Certificate The AWS::ACMPCA::Certificate resource is used to issue a certificate using your private certificate authority. AWS::ACMPCA::CertificateAuthority Use the AWS::ACMPCA::CertificateAuthority resource to create a private CA. AWS::ACMPCA::CertificateAuthorityActivation The AWS::ACMPCA::CertificateAuthorityActivation resource creates and installs a CA certificate on a CA.	January 23, 2020
New resource	The following resource was added: AWS::AppConfig::Application AWS::AppConfig::Application The AWS::AppConfig::Application resource creates an application, which is a logical unit of code that provides capabilities for your customers.	January 23, 2020
New resource	The following resource was added: AWS::AppConfig::ConfigurationProfile AWS::AppConfig::ConfigurationProfile The AWS::AppConfig::ConfigurationProfile resource creates a configuration profile that enables AppConfig to access the configuration source. Valid configuration sources include Systems Manager (SSM) documents and SSM Parameter Store parameters.	January 23, 2020
New resource	The following resource was added: AWS::AppConfig::Deployment AWS::AppConfig::Deployment The AWS::AppConfig::Deployment resource starts a deployment. Starting a deployment in AWS AppConfig calls the StartDeployment API action. This call includes the IDs of the AppConfig application, the environment, the configuration profile, and (optionally) the configuration data version to deploy. The call also includes the ID of the deployment strategy to use, which determines how the configuration data is deployed.	January 23, 2020
New resource	The following resource was added: AWS::AppConfig::Environment AWS::AppConfig::Environment The AWS::AppConfig::Environment resource creates an environment, which is a logical deployment group of AppConfig targets, such as applications in a Beta or Production environment. You define one or more environments for each AppConfig application. You can also define environments for application subcomponents such as the Web, Mobile and Back-end components for your application. You can configure Amazon CloudWatch alarms for each environment. The system monitors alarms during a configuration deployment. If an alarm is triggered, the system rolls back the configuration.	January 23, 2020
New resource	The following resource was added: AWS::AppConfig::DeploymentStrategy AWS::AppConfig::DeploymentStrategy The AWS::AppConfig::DeploymentStrategy resource creates an AppConfig deployment strategy. A deployment strategy defines important criteria for rolling out your configuration to the designated targets. A deployment strategy includes: the overall duration required, a percentage of targets to receive the deployment during each interval, an algorithm that defines how percentage grows, and bake time.	January 23, 2020
Updated resources	The following resource was updated: AWS::Lambda::Function. AWS::Lambda::Function In the Code property type, ZipFile supports nodejs12.x for RunTime.	January 16, 2020
Updated resource	The following resource was updated: AWS::AutoScaling::AutoScalingGroup. AWS::AutoScaling::AutoScalingGroup Use the WeightedCapacity property to specify the number of capacity units, which gives the instance type a proportional weight to other instance types.	January 16, 2020
Updated resource	The following resource was updated: AWS::EC2::Instance. AWS::EC2::Instance Use the HibernationOptions property to indicate whether the instance is enabled for hibernation. Use the HostResourceGroupArn property to specify the ARN of the host resource group in which to launch the instances.	January 16, 2020
Updated resource	The following resource was updated: AWS::LakeFormation::Permissions AWS::LakeFormation::Permissions Use the DataLocationResource property to specify a structure for a data location object where permissions are granted or revoked. Use the TableWithColumnsResource property to specify a structure for a table with columns object. This object is only used when granting a SELECT permission.	January 16, 2020
Updated resource	The following resource was updated: AWS::RDS::DBInstance. AWS::RDS::DBInstance Use the CACertificateIdentifier property to specify the identifier of the CA certificate for this DB instance.	January 16, 2020
Updated resource	The following resource was updated: AWS::SSM::ResourceDataSync AWS::SSM::ResourceDataSync Use the SyncType property with SyncFromSource to synchronize Systems Manager Explorer OpsItems and OpsData from AWS Organizations or from multiple AWS Regions.	January 16, 2020
Updated resources	The following resources were updated: AWS::MSK::Cluster, AWS::RDS::DBInstance, and AWS::SSM::Document AWS::MSK::Cluster Use the OpenMonitoring property to enable monitoring with Prometheus, an open-source monitoring system for time-series metric data. You can also use tools that are compatible with Prometheus-formatted metrics or tools that integrate with Amazon MSK Open Monitoring. AWS::SSM::Document Use the Name property to specify a name for the Systems Manager document. AWS::RDS::DBInstance Use the MaxAllocatedStorage property to specify the upper limit to which Amazon RDS can automatically scale the storage of the DB instance.	December 20, 2019
New resource	The following resource was added: AWS::CodeBuild::ReportGroup AWS::CodeBuild::ReportGroup Use the AWS::CodeBuild::ReportGroup resource to specify information about a report group. When you specify a report group in a CodeBuild project, a build of the project creates reports in the report group that contain results from running test cases.	December 20, 2019
New resource	The following resource was added: AWS::EC2::GatewayRouteTableAssociation. AWS::EC2::GatewayRouteTableAssociation Use the AWS::EC2::GatewayRouteTableAssociation property to associate a virtual private gateway or internet gateway with a route table.	December 20, 2019
Updated resources	The following resource was updated: AWS::RDS::DBInstance. AWS::RDS::DBInstance Use the MaxAllocatedStorage property to specify the upper limit to which Amazon RDS can automatically scale the storage of the DB instance.	December 19, 2019
Updated resource	The following resource was updated: AWS::FSx::FileSystem AWS::FSx::FileSystem In the WindowsConfiguration property type: Use the DeploymentType property to specify the Amazon FSx Windows file system deployment type. Use the PreferredSubnetId property to specify the subnet in which you want the preferred file server to be located for a MULTI_AZ_1 Amazon FSx for Windows file system deployment type.	December 19, 2019
Updated resource	The following resource was updated: AWS::FSx::FileSystem AWS::FSx::FileSystem In the WindowsConfiguration property type: Use the DeploymentType property to specify the file system deployment type. Use the PreferredSubnetId property to specify the subnet in which you want the preferred file server to be located.	December 19, 2019
New resource	The following resource was added: AWS::EC2::GatewayRouteTableAssociation. AWS::EC2::GatewayRouteTableAssociation Use the AWS::EC2::GatewayRouteTableAssociation property to associate a virtual private gateway or internet gateway with a route table.	December 19, 2019
Updated resource	The following resource was updated: AWS::EC2::Instance. AWS::EC2::Instance In the ElasticInferenceAccelerator property type, use the Count property to specify the number of elastic inference accelerators to attach to the instance.	December 12, 2019
New resource	The following resource was added: AWS::CodeBuild::ReportGroup AWS::CodeBuild::ReportGroup Use the AWS::CodeBuild::ReportGroup resource to specify information about a report group. When you specify a report group in a CodeBuild project, a build of the project creates reports in the report group that contain results from running test cases.	December 12, 2019
Updated resources	The following resources were updated: AWS::ApiGatewayV2::Api, AWS::ApiGatewayV2::Authorizer, AWS::ApiGatewayV2::Integration, AWS::ApiGatewayV2::Stage. AWS::ApiGatewayV2::Api Use the AWS::ApiGatewayV2::Api resource to create an HTTP API (beta). AWS::ApiGatewayV2::Authorizer Use the AWS::ApiGatewayV2::Authorizer resource to create a JWT authorizer for an HTTP API (beta). AWS::ApiGatewayV2::Integration Use the AWS::ApiGatewayV2::Integration resource to create an integration for an HTTP API (beta). AWS::ApiGatewayV2::Stage Use the AWS::ApiGatewayV2::Stage resource to create a stage for an HTTP API (beta).	December 4, 2019
Updated resources	The following resources were updated: AWS::Lambda::Alias and AWS::Lambda::Version. AWS::Lambda::Alias Use the ProvisionedConcurrencyConfiguration property to specify a provisioned concurrency configuration for a function's alias. AWS::Lambda::Version Use the ProvisionedConcurrencyConfiguration property to specify a provisioned concurrency configuration for a function's version.	December 3, 2019
Updated resource	The following resource was updated: AWS::StepFunctions::StateMachine. AWS::StepFunctions::StateMachine The AWS::StepFunctions::StateMachine now supports Express workflows using the new StateMachineType parameter. you can also configure CloudWatch Logging information for Express workflows using LoggingConfiguration, LogDestination, and CloudWatchLogsLogGroup.	December 3, 2019
New resource	The following resource was added: AWS::S3::AccessPoint Access Points Use the AWS::S3::AccessPoint resource to specify an S3 access point.	December 3, 2019
New resource	The following resource was added: AWS::AccessAnalyzer::Analyzer AWS::AccessAnalyzer::Analyzer Use the AWS::AccessAnalyzer::Analyzer resource to create an analyzer for IAM Access Analyzer.	December 2, 2019
New resource	The following resources were added: AWS::EventSchemas::Discoverer, AWS::EventSchemas::Registry, and AWS::EventSchemas::Schema. AWS::EventSchemas::Discoverer Use the AWS::EventSchemas::Discoverer resource to specify a discoverer that is associated with an event bus. A discoverer allows the Amazon EventBridge Schema Registry to automatically generate schemas based on events on an event bus. AWS::EventSchemas::Registry Use the AWS::EventSchemas::Registry to specify a schema registry. Schema registries are containers for Schemas. Registries collect and organize schemas so that your schemas are in logical groups. AWS::EventSchemas::Schema Use the AWS::EventSchemas::Schema resource to specify an event schema.	December 1, 2019
New resource	The following resource was added: AWS::Lambda::EventInvokeConfig AWS::Lambda::EventInvokeConfig Use the EventInvokeConfig resource to configure destinations and error handling for asynchronous invocation.	November 26, 2019
Updated resource	The following resource was updated: AWS::CloudWatch::Alarm. AWS::CloudWatch::Alarm In the MetricDataQuery property type, use the Period property to specify the granularity, in seconds, of the returned data points.	November 25, 2019
Updated resource	The following resource was updated: AWS::CodePipeline::Pipeline. AWS::CodePipeline::Pipeline In the ActionDeclaration property type, use the Namespace property to specify the variable namespace associated with the action. All variables produced as output by this action fall under this namespace.	November 25, 2019
Updated resource	The following resource was updated: AWS::Lambda::EventSourceMapping. AWS::Lambda::EventSourceMapping For stream sources (DynamoDB and Kinesis), use the BisectBatchOnFunctionError property to split the batch in two and retry if the function returns an error. For stream sources (DynamoDB and Kinesis), use the DestinationConfig property to specify an Amazon SQS queue or Amazon SNS topic destination for discarded records. For stream sources (DynamoDB and Kinesis), use the MaximumRecordAgeInSeconds property to specify the maximum age of a record that Lambda sends to a function for processing. For stream sources (DynamoDB and Kinesis), use the MaximumRetryAttempts property to specify the maximum number of times to retry when the function returns an error. For stream sources (DynamoDB and Kinesis), use the ParallelizationFactor property to specify the number of batches to process from each shard concurrently.	November 25, 2019
Updated resource	The following resource was updated: AWS::CloudWatch::Alarm. AWS::CloudWatch::Alarm In the MetricDataQuery property type, use the Period property to specify the granularity, in seconds, of the returned data points.	November 25, 2019
New resources	The following resources were added: AWS::ECS::PrimaryTaskSet, AWS::ECS::TaskSet. AWS::ECS::PrimaryTaskSet Use the AWS::ECS::PrimaryTaskSet resource to specify which task set in a service is the primary task set. Any parameters that are updated on the primary task set in a service will transition to the service. This is used when a service uses the EXTERNAL deployment controller type. AWS::ECS::TaskSet Use the AWS::ECS::TaskSet resource to create a task set in the specified cluster and service. This is used when a service uses the EXTERNAL deployment controller type.	November 25, 2019
New resource	The following resource was added: AWS::CloudWatch::InsightRule. AWS::CloudWatch::InsightRule Use the AWS::CloudWatch::InsightRule property to create a Contributor Insights rule. Rules evaluate log events in a CloudWatch Logs log group, enabling you to find contributor data for the log events in that log group.	November 25, 2019
New resource	The following resource was added: AWS WAFv2 AWS WAFv2 This is the latest version of AWS WAF, a web application firewall that lets you monitor HTTP(S) requests that are forwarded to an Amazon API Gateway API, Amazon CloudFront, or an Application Load Balancer. AWS WAF also lets you control access to your content.	November 25, 2019
Updated resources	The following resource were updated: AWS::AppSync::Resolver, AWS::AppSync::DataSource. AWS::AppSync::Resolver Use the CachingConfig property to specify the caching behavior of your AWS AppSync resolver. AWS::AppSync::Resolver Use the SyncConfig property to specify the conflict detection and resolution strategy of your AWS AppSync resolver. AWS::AppSync::Resolver Use the LambdaConflictHandlerConfig property to specify the ARN of the lambda that is used for handling conflicts in your AWS AppSync resolver. AWS::AppSync::DataSource Use the DeltaSyncConfig property to specify the delta sync configurations for your versioned AWS AppSync data source.	November 21, 2019
Updated resources	The following resources were updated: AWS::ECS::Cluster, AWS::ECS::Service, and AWS::ECS::TaskDefinition. AWS::ECS::Cluster Use the ClusterSettings property to specify the setting to use when creating a cluster. This parameter is used to enable CloudWatch Container Insights for a cluster. AWS::ECS::Service Use the DeploymentController property to specify the deployment controller to use for the service. AWS::ECS::TaskDefinition In the ContainerDefinition property type, use the FirelensConfiguration property to specify the FireLens configuration for the container. This is used to specify and configure a log router for container logs. In the LinuxParameters property type: use the MaxSwap property to specify the total amount of swap memory (in MiB) a container can use. use the Swappiness property to tune a container's memory swappiness behavior. A swappiness value of 0 will cause swapping to not happen unless absolutely necessary. A swappiness value of 100 will cause pages to be swapped very aggressively.	November 21, 2019
Updated resources	The following resources were updated: AWS::RDS::DBCluster and AWS::RDS::DBInstance. AWS::RDS::DBCluster Use the EnableHttpEndpoint property to indicate whether to enable the HTTP endpoint for an Aurora Serverless DB cluster. By default, the HTTP endpoint is disabled. When enabled, the HTTP endpoint provides a connectionless web service API for running SQL queries on the Aurora Serverless DB cluster. You can also query your database from inside the RDS console with the query editor. AWS::RDS::DBInstance For Oracle DB instances, Amazon RDS can use Kerberos Authentication to authenticate users that connect to the DB instance.	November 21, 2019
Updated resource	The following resource was updated: AWS::ApiGateway::RestApi. AWS::ApiGateway::RestApi Use the VpcEndpointIds property to specify VPC endpoint IDs of an API (AWS::ApiGateway::RestApi) against which to create Route53 ALIASes. It is only supported for PRIVATE endpoint type.	November 21, 2019
Updated resource	The following resource was updated: AWS::CertificateManager::Certificate AWS::CertificateManager::Certificate Use the CertificateTransparencyLoggingPreference property to enable or disable certificate transparency logging. Use the PrivateCertificateAuthorityArn property to specify an ACM Private CA as certificate issuer. Use the GetAtt function to retrieve the CertificateARN of the AWS::CertificateManager::Certificate resource. Use the GetAtt function to retrieve the CertificateStatus of the AWS::CertificateManager::Certificate resource. In the DomainValidationOption property type, use the HostedZoneId property to validate a domain with a Route 53 hosted zone ID.	November 21, 2019
Updated resource	The following resources were updated: AWS::Cognito::UserPool AWS::Cognito::UserPool Added ConfigurationSet and From properties to the EmailConfiguration parameter. AWS::Cognito::UserPoolClient Added PreventUserExistenceErrors parameter to help manage errors and responses when a user does not exist in the user pool. AWS::Cognito::UserPoolUser Use the ClientMetadata parameter to provide input to the AWS Lambda function that is invoked by the pre sign-up trigger.	November 21, 2019
Updated resource	The following resource was updated: AWS::EC2::EIP. AWS::EC2::EIP Use the Tags property to specify any tags for the Elastic IP address.	November 21, 2019
Updated resource	The following resource was updated: AWS::Elasticsearch::Domain. AWS::Elasticsearch::Domain Use the CognitoOptions property to configure Amazon ES to use Amazon Cognito authentication for Kibana. Use the UpgradeElasticsearchVersion update policy to update the ElasticsearchVersion property without replacing the AWS::Elasticsearch::Domain resource.	November 21, 2019
Updated resource	The following resource was updated: AWS::Glue::MLTransform AWS::Glue::MLTransform Use the GlueVersion property to specify which version of AWS Glue this machine learning transform is compatible with.	November 21, 2019
Updated resource	The following resource was updated: AWS::IAM::User. AWS::IAM::User Use the Tags property to specify a list of tags that you want to attach to the newly created user.	November 21, 2019
Updated resource	The following resource was updated: AWS::OpsWorksCM::Server AWS::OpsWorksCM::Server Use the CustomDomain property to specify a custom domain on an OpsWorks for Chef Automate Server running Chef Automate 2.0. Use the CustomCertificate property to specify a PEM-formatted HTTPS certificate for a server with a custom domain. Use the CustomPrivateKey property to specify a private key in PEM format for connecting to a server that uses a custom domain.	November 21, 2019
Updated resource	The following resource was updated: AWS::S3::Bucket. AWS::S3::Bucket In the Transition property type, the StorageClass property supports DEEP_ARCHIVE.	November 21, 2019
Updated resource	The following resource was updated: AWS::Lambda::Function. AWS::Lambda::Function In the Code property type, ZipFile supports nodejs10.x for RunTime.	November 21, 2019
New resource	The following resource was added: AWS::AppSync::ApiCache. AWS::AppSync::ApiCache Use the AWS::AppSync::ApiCache resource to enable resolver caching with AWS AppSync.	November 21, 2019
Drift Detection for Stack Sets	You can now run drift detection on a stack set and all the stack instances it includes. When CloudFormation performs drift detection on a stack set, it performs drift detection on the stack associated with each stack instance in the stack set. For more details, see Detecting Unmanaged Configuration Changes in Stack Sets.	November 19, 2019
Updated resource	The following resource was updated to support Amazon EKS managed node groups: AWS::EKS::Cluster AWS::EKS::Cluster Use the AWS::EKS::Cluster resource to create a new Amazon EKS cluster.	November 18, 2019
New resource	The following resource was added: AWS::EKS::Nodegroup AWS::EKS::Nodegroup Use the AWS::EKS::Nodegroup resource to create a new Amazon EKS managed node group.	November 18, 2019
CloudFormation registry now available	Use the CloudFormation registry to view private and public resources that are available for use in your CloudFormation account. For more information, see Using the CloudFormation Registry	November 18, 2019
CloudFormation registry API actions	The following API actions for managing types in the CloudFormation registry are now available. For more information about the CloudFormation registry, see Using the CloudFormation Registry DeregisterType Removes a type or type version from active use in the CloudFormation registry. DescribeType Returns detailed information about a registered type. DescribeTypeRegistration Returns information about a type's registration, including its current status and type and version identifiers. ListTypeRegistrations Returns a list of registration request identifiers for the specified type. ListTypes Returns summary information about types that have been registered with CloudFormation. ListTypeVersions Returns summary information about the versions of a type. RegisterType Registers a type with the CloudFormation service. Registering a type makes it available for use in CloudFormation templates in your AWS account. SetTypeDefaultVersion Specify the default version of a type. The default version of a type will be used in CloudFormation operations.	November 18, 2019
Updated resources	The following resources were updated: AWS::GameLift::Build, AWS::GameLift::Fleet. AWS::GameLift::Build Use the OperatingSystem property to specify the operating system that the build files run on. AWS::GameLift::Fleet Use the CertificateConfiguration property to generate a TLS/SSL certificate for the new fleet. Use the FleetType property to specify use of On-Demand or Spot instances in the fleet. Use the InstanceRoleArn property to manage access to your non-GameLift AWS resources from GameLift fleet instances. Use the MetricGroups property to add fleet metrics to a CoudWatch metric group. Use the NewGameSessionProtectionPolicy property to prevent the fleet's active game sessions from being terminated during a scaledown event. Use the PeerVpcAwsAccountId property when setting up VPC peering for the fleet. Use the PeerVpcId property when setting up VPC peering for the fleet. Use the ResourceCreationLimitPolicy property to limit an individual player's ability to use the fleet's available hosting resources. Use the RuntimeConfiguration property to configure what processes are run on each instance in the fleet. Use the ScriptId property to create a Realtime Servers fleet and configure it with a Realtime script.	November 14, 2019
New resources	The following resources were added: AWS::GameLift::Script, AWS::GameLift::GameSessionQueue, AWS::GameLift::MatchmakingConfiguration, AWS::GameLift::MatchmakingRuleSet. AWS::GameLift::Script Use the Script resource to upload a configuration script for a Realtime Servers fleet. AWS::GameLift::GameSessionQueue Use the GameSessionQueue resource to create a game session queue that processes player requests for new game sessions. AWS::GameLift::MatchmakingConfiguration Use the MatchmakingConfiguration resource to create a matchmaker that processes player requests for new matched game sessions. AWS::GameLift::MatchmakingRuleSet Use the MatchmakingRuleSet resource to create rules that specify how to form matches and evaluate players for inclusion in a match.	November 14, 2019
Resource import added	If you created an AWS resource outside of AWS CloudFormation management, you can bring this existing resource into CloudFormation management using resource import. For more information, see Bringing Existing Resources Into CloudFormation Management.	November 11, 2019
Updated resource	The following resources were updated: AWS::AppStream::ImageBuilder, AWS::AppStream::Stack AWS::AppStream::ImageBuilder In the AccessEndpoint property type: Use the EndpointType property to specify the type of interface VPC endpoint (interface endpoint). Use the VpceId property to specify the identifier (ID) of the VPC in which the interface endpoint is used. AWS::AppStream::Stack In the AccessEndpoint property type: Use the EndpointType property to specify the type of interface VPC endpoint (interface endpoint). Use the VpceId property to specify the identifier (ID) of the VPC in which the interface endpoint is used. Use the EmbedHostDomains property to specify the domains where AppStream 2.0 streaming sessions can be embedded in an iframe.	November 7, 2019
New resource	The following resource was added: AWS::CodeStarNotifications::NotificationRule AWS::CodeStarNotifications::NotificationRule Use the AWS::CodeStarNotifications::NotificationRule resource to create notification rules for resources in AWS CodeBuild, AWS CodeCommit, AWS CodeDeploy, and AWS CodePipeline.	November 7, 2019
New resource	The following resources were added: AWS::MediaConvert::JobTemplate, AWS::MediaConvert::Preset, AWS::MediaConvert::Queue AWS::MediaConvert::JobTemplate Use the AWS::MediaConvert::JobTemplate resource to specify a job template for transcoding jobs. AWS::MediaConvert::Preset Use the AWS::MediaConvert::Preset resource to specify an output preset as part of a transcoding job. AWS::MediaConvert::Queue Use the AWS::MediaConvert::Queue resource to specify an on-demand transcoding queue.	November 6, 2019
Updated resource	The following resource was updated: AWS::Glue::Crawler AWS::Glue::Crawler Use the DynamoDBTargets property to specify a list of Amazon DynamoDB taragets. Use the CatalogTargets property to specify a list of AWS Glue Data Catalog targets.	November 4, 2019
Updated resources	The following resources were updated: AWS::ApiGateway::ApiKey, AWS::ApiGateway::ClientCertificate, AWS::ApiGateway::DomainName, AWS::ApiGateway::RestApi, and AWS::ApiGateway::UsagePlan. AWS::ApiGateway::ApiKey Use the Tags property to specify an array of arbitrary tags (key-value pairs) to associate with the API key. AWS::ApiGateway::ClientCertificate Use the Tags property to specify an array of arbitrary tags (key-value pairs) to associate with the client certificate. AWS::ApiGateway::DomainName Use the SecurityPolicy property to the Transport Layer Security (TLS) version + cipher suite for this domain name. Use the Tags property to specify an array of arbitrary tags (key-value pairs) to associate with the domain name. AWS::ApiGateway::RestApi Use the Tags property to specify an array of arbitrary tags (key-value pairs) to associate with the API. AWS::ApiGateway::UsagePlan Use the Tags property to specify an array of arbitrary tags (key-value pairs) to associate with the usage plan.	October 31, 2019
Updated resources	The following resources were updated: AWS::CodePipeline::CustomActionType, AWS::CodePipeline::Pipeline. AWS::CodePipeline::CustomActionType Use the Tags property to specify the tags for the custom action. AWS::CodePipeline::Pipeline Use the Tags property to specify the tags for the pipeline.	October 31, 2019
Updated resource	The following resource was updated: AWS::Amplify::App AWS::Amplify::App Use the EnablePullRequestPreview property to specify whether pull request previews are enabled for each branch that Amplify Console automatically creates for your app. Use the PullRequestEnvironmentName property to specify a dedicated backend environment for your pull request previews.	October 31, 2019
Updated resource	The following resource was updated: AWS::Events::Rule. AWS::Events::Rule In the Target property type, use the BatchParameters property to specify the job definition, job name, and other parameters, if the event target is an AWS Batch job.	October 31, 2019
Updated resource	The following resource was updated: AWS::ECS::TaskDefinition. AWS::ECS::TaskDefinition Use the InferenceAccelerator property to specify the Elastic Inference accelerators to use for the containers in the task.	October 31, 2019
Updated resource	The following resource was updated: AWS::Elasticsearch::Domain. AWS::Elasticsearch::Domain Use the LogPublishingOptions property to configure slow log publishing.	October 31, 2019
New resources	The following resources were added: AWS::Pinpoint::EmailTemplate, AWS::Pinpoint::PushTemplate, and AWS::Pinpoint::SmsTemplate AWS::Pinpoint::EmailTemplate Use the AWS::Pinpoint::EmailTemplate resource to create a message template that you can use in messages that are sent through the email channel. AWS::Pinpoint::PushTemplate Use the AWS::Pinpoint::PushTemplate resource to create a message template that you can use in messages that are sent through a push notification channel. AWS::Pinpoint::SmsTemplate Use the AWS::Pinpoint::SmsTemplate resource to create a message template that you can use in messages that are sent through the SMS channel.	October 31, 2019
Updated resource	The following resource was updated: AWS::Amplify::Branch AWS::Amplify::Branch Use the EnablePullRequestPreview property to specify whether Amplify Console creates a preview for each pull request that is made for the branch. Use the PullRequestEnvironmentName property to specify a dedicated backend environment for your pull request previews.	October 24, 2019
Updated resource	The following resource was updated: AWS::Cognito::UserPool AWS::Cognito::UserPool Use the Schema parameter to add or update schema attributes. AWS::Cognito::UserPool Use the AliasAttributes parameter to add or update an alias for the user pool. AWS::Cognito::UserPool Use the UsernameAttributes parameter to determine if email addresses or phone numbers can be used as user names when a user signs up.	October 24, 2019
Updated resources	The following resource was updated: AWS::MSK::Cluster. AWS::MSK::Cluster Use the NumberOfBrokerNodes property to submit an update to change the number of broker nodes in the cluster.	October 17, 2019
Updated resource	The following resource was updated: AWS::Cognito::IdentityPoolRoleAttachment AWS::Cognito::IdentityPoolRoleAttachment Use the IdentityProvider parameter to specify the identity provider for which the role is mapped.	October 17, 2019
Updated resource	The following resource was updated: AWS::FSx::FileSystem AWS::FSx::FileSystem In the WindowsConfiguration property type, use the SelfManagedActiveDirectoryConfiguration property to join an Amazon FSx Windows File Server instance to your self-managed (including on-premises) Microsoft Active Directory (AD) directory.	October 17, 2019
Updated Resource	The following resource was updated: AWS::Batch::ComputeEnvironment ComputeResources In the ComputeResources property type, use the AllocationStrategy property to specify the strategy to use to select instance types.	October 17, 2019
Updated resources	The following resource were updated: AWS::Events::EventBusPolicy, AWS::Events::Rule AWS::Events::EventBusPolicy Use the EventBusName property to specify the name of the event bus to associate with this policy. AWS::Events::Rule Use the EventBusName property to specify the name of the event bus to associate with this rule.	October 3, 2019
Updated resources	The following resources were updated: AWS::Pinpoint::App, AWS::Pinpoint::Campaign, and AWS::Pinpoint::Segment AWS::Pinpoint::App The ARN attribute returns the Amazon Resource Name (ARN) of the application. Use the Tags property to specify a string-to-string map of key-value pairs that defines the tags to associate with the application. AWS::Pinpoint::Campaign The ARN attribute returns the Amazon Resource Name (ARN) of the campaign. Use the Tags property to specify a string-to-string map of key-value pairs that defines the tags to associate with the campaign. AWS::Pinpoint::Segment The ARN attribute returns the Amazon Resource Name (ARN) of the segment. Use the Tags property to specify a string-to-string map of key-value pairs that defines the tags to associate with the segment.	October 3, 2019
Updated resource	The following resource was updated: AWS::Budgets::Budget AWS::Budgets::Budget In the BudgetData property type, use the PlannedBudgetLimits property to specify a map containing multiple budget limits, including current or future limits.	October 3, 2019
Updated resource	The following resource was updated: AWS::Cognito::UserPool AWS::Cognito::UserPool Use the EnabledMfas parameter to enable MFA on a specified user pool.	October 3, 2019
New resources	The following resources were added: AWS::Cognito::UserPoolDomain, AWS::Cognito::UserPoolResourceServer, AWS::Cognito::UserPoolIdentityProvider, AWS::Cognito::RiskConfigurationAttachment, AWS::Cognito::UICustomizationAttachment. AWS::Cognito::UserPoolDomain Use the AWS::Cognito::UserPoolDomain resource to create a new domain for a user pool. AWS::Cognito::UserPoolResourceServer Use the AWS::Cognito::UserPoolResourceServer resource to create a new OAuth2.0 resource server and define custom scopes in it. AWS::Cognito::UserPoolIdentityProvider Use the AWS::Cognito::UserPoolIdentityProvider resource to create an identity provider for a user pool. AWS::Cognito::UserPoolRiskConfigurationAttachment Use the AWS::Cognito::UserPoolRiskConfigurationAttachment resource to set the risk configuration that is used for Amazon Cognito advanced security features. AWS::Cognito::UserPoolUICustomizationAttachment Use the AWS::Cognito::UserPoolUICustomizationAttachment resource to set the UI customization information for a user pool's built-in app UI.	October 3, 2019
New resources	The following resource were added: AWS::EC2::TrafficMirrorFilter, AWS::EC2::TrafficMirrorFilterRule, AWS::EC2::TrafficMirrorSession, and AWS::EC2::TrafficMirrorTarget AWS::EC2::TrafficMirrorFilter Use the AWS::EC2::TrafficMirrorFilter resource to specify a traffic mirror filter. AWS::EC2::TrafficMirrorFilterRule Use the AWS::EC2::TrafficMirrorFilterRule resource to manage traffic mirror filter rules. AWS::EC2::TrafficMirrorSession Use the AWS::EC2::TrafficMirrorSession resource to specify a traffic mirror session. AWS::EC2::TrafficMirrorTarget Use the AWS::EC2::TrafficMirrorTarget resource to specify a traffic mirror target.	October 3, 2019
New resource	The following resource was added: AWS::Events::EventBus AWS::Events::EventBus Use the EventBus resource to create or update a custom event bus or a partner event bus.	October 3, 2019
Updated resource	The following resource was updated: AWS::Glue::DevEndpoint AWS::Glue::DevEndpoint Use the WorkerType property to specify a type of predefined worked allocated to the development endpoint. Use the NumberOfWorkers property to specify the number of workers of a defined workerType that are allocated to the development endpoint. Use the GlueVersion property to specify the versions of Apache Spark and Python that AWS Glue supports for the development endpoint. Use the Arguments property to specify a map of arguments used to configure the DevEndpoint.	September 27, 2019
Updated resource	The following resource was updated: AWS::Glue::Job AWS::Glue::Job Use the Timeout property to specify the job timeout in minutes. Use the NotificationProperty property to specify the configuration properties of a notification. Use the NotifyDelayAfter property to specify the number of minutes to wait before sending a job run delay notification after a job run starts.	September 26, 2019
Updated resource	The following resource was updated: AWS::Glue::Trigger AWS::Glue::Trigger Use the StartOnCreation property to specify starting SCHEDULED and CONDITIONAL triggers when created. Use the WorkflowName property to specify the name of the workflow associated with the trigger.	September 26, 2019
Updated resource	The following resource was updated: AWS::DocDB::DBCluster. AWS::DocDB::DBCluster Use the EnableCloudwatchLogsExports property to specify the list of log types that need to be enabled for exporting to CloudWatch Logs.	September 26, 2019
New resource	The following resource was added: AWS::Glue::Workflow AWS::Glue::Workflow Use the AWS::Glue::Workflow resource to manage AWS Glue workflows.	September 26, 2019
Updated resource	The following resource was updated: AWS::Config::RemediationConfiguration. AWS::Config::RemediationConfiguration Use the ExecutionControls property to specify an ExecutionControls object.	September 12, 2019
New resource	The following resource was added: AWS::QLDB::Ledger AWS::QLDB::Ledger Use the AWS::QLDB::Ledger resource to create a new Amazon Quantum Ledger Database (Amazon QLDB) ledger.	September 10, 2019
Updated resources	The following resources were updated: AWS::ApplicationAutoScaling::ScalableTarget, AWS::DynamoDB::Table, AWS::EC2::Instance, AWS::ECS::TaskDefinition, AWS::ElastiCache::ReplicationGroup, AWS::Events::Rule, AWS::IAM::Role, and AWS::Lambda::EventSourceMapping. AWS::ApplicationAutoScaling::ScalableTarget Use the SuspendedState property to suspend and resume automatic scaling. Setting the value of an attribute to true suspends the specified scaling activities. Setting it to false (default) resumes the specified scaling activities. AWS::DynamoDB::Table In the SSESpecification property type, use the SSEType property to specify server-side encryption type. AWS::EC2::Instance Use the CpuOptions property to specify the CPU options for the instance. In the Ebs property type, use the KmsKeyId property to specify an identifier (key ID, key alias, ID ARN, or alias ARN) for a customer managed CMK under which the EBS volume is encrypted. AWS::ECS::TaskDefinition Use the IpcMode property to specify the IPC resource namespace to use for the containers in the task. The valid values are host, task, or none. Use the PidMode property to specify the process namespace to use for the containers in the task. The valid values are host or task. In the ContainerDefinition property type: When the Interactive property is set to true, this allows you to deploy containerized applications that require stdin or a tty to be allocated. When the PseudoTerminal proprety is set to true, a TTY is allocated. Use the SystemControls property to specify a list of namespaced kernel parameters to set in the container. In the LogConfiguration property type, use the SecretOptions property to specify the secrets to pass to the log configuration. AWS::ElastiCache::ReplicationGroup Use the KmsKeyId property to specify the ID of the KMS key used to encrypt the disk on the cluster. AWS::Events::Rule In the EcsParameters property type: Use the Group property to specify an ECS task group for the task. Use the LaunchType property to specify the launch type on which your task is running. If the ECS task uses the awsvpc network mode, use the NetworkConfiguration property to specify the VPC subnets and security groups associated with the task and whether a public IP address is to be used. Use the PlatformVersion property to specify the platform version for the task. AWS::IAM::Role Use the Description property to provide a description for the role. Use the Tags property to specify a list of tags that are attached to the specified role. AWS::Lambda::EventSourceMapping Use the MaximumBatchingWindowInSeconds property to specify the maximum amount of time to gather records before invoking the function, in seconds.	August 29, 2019
Updated resources	The following resources were updated: AWS::RDS::DBCluster and AWS::RDS::DBInstance AWS::RDS::DBCluster Use the AssociatedRoles property to specify the AWS Identity and Access Management (IAM) roles associated with the DB instance. Use the RestoreType property to specify the type of restore to be performed. Use the SourceDBClusterIdentifier property to specify the identifier of the source DB cluster from which to restore. Use the UseLatestRestorableTime property to specify whether to restore the DB cluster to the latest restorable backup time. AWS::RDS::DBInstance Use the AssociatedRoles property to specify the AWS Identity and Access Management (IAM) roles associated with the DB instance.	August 29, 2019
Updated resource	The following resource was updated: AWS::CloudWatch::Alarm AWS::CloudWatch::Alarm Use the ThresholdMetricId property to specify the ID of the ANOMALY_DETECTION_BAND function used as the threshold for the alarm.	August 29, 2019
Updated resource	The following resource was updated: AWS::Elasticsearch::Domain. AWS::Elasticsearch::Domain In the ElasticsearchClusterConfig property type, use the ZoneAwarenessConfig property to specify zone awareness configuration options.	August 29, 2019
New resource	The following resource was added: AWS::Config::OrganizationConfigRule AWS::Config::OrganizationConfigRule Use the AWS::Config::OrganizationConfigRule resource to create an OrganizationConfigRule that has information about config rules that AWS Config creates in the member accounts.	August 29, 2019
Updated resource	The following resource was updated: AWS::Neptune::DBCluster. AWS::Neptune::DBCluster Use the EnableCloudwatchLogsExports property to specify a list of log types that are enabled for export to CloudWatch Logs.	August 22, 2019
Updated resource	The following resource was updated: AWS::DMS::ReplicationTask AWS::DMS::ReplicationTask Use the CdcStartPosition property to indicate when you want a change data capture (CDC) operation to start. Use the CdcStopPosition property to indicate when you want a change data capture (CDC) operation to stop.	August 16, 2019
Updated resources	The following resources were updated: AWS::EC2::ClientVpnEndpoint, AWS::Greengrass::Group, AWS::Greengrass::ConnectorDefinition, AWS::Greengrass::CoreDefinition, AWS::Greengrass::DeviceDefinition, AWS::Greengrass::FunctionDefinition, AWS::Greengrass::LoggerDefinition, AWS::Greengrass::ResourceDefinition, and AWS::Greengrass::SubscriptionDefinition. AWS::EC2::ClientVpnEndpoint Use the SplitTunnel parameter to specify whether split-tunnel is enabled on the AWS Client VPN endpoint. AWS::Greengrass::ConnectorDefinition Use the Tags property to attach metadata to the AWS::Greengrass::ConnectorDefinition resource. AWS::Greengrass::CoreDefinition Use the Tags property to attach metadata to the AWS::Greengrass::CoreDefinition resource. AWS::Greengrass::DeviceDefinition Use the Tags property to attach metadata to the AWS::Greengrass::DeviceDefinition resource. AWS::Greengrass::FunctionDefinition Use the Tags property to attach metadata to the AWS::Greengrass::FunctionDefinition resource. AWS::Greengrass::Group Use the Tags property to attach metadata to the AWS::Greengrass::Group resource. AWS::Greengrass::LoggerDefinition Use the Tags property to attach metadata to the AWS::Greengrass::LoggerDefinition resource. AWS::Greengrass::ResourceDefinition Use the Tags property to attach metadata to the AWS::Greengrass::ResourceDefinition resource. AWS::Greengrass::SubscriptionDefinition Use the Tags property to attach metadata to the AWS::Greengrass::SubscriptionDefinition resource.	August 8, 2019
Updated resource	The following resource was updated: AWS::AppSync::GraphQLApi. AWS::AppSync::GraphQLApi In the LogConfig property type, when set to TRUE, the excludeVerboseContent property excludes sections that contain information such as headers, context, and evaluated mapping templates, regardless of logging level.	August 8, 2019
New resources	The following resources were added: AWS::ManagedBlockchain::Member and AWS::ManagedBlockchain::Node. AWS::ManagedBlockchain::Member Use the Member resource to create the first member or an additional member of an Amazon Managed Blockchain network. AWS::ManagedBlockchain::Node Use the Node resource to create a peer node in a member of an Amazon Managed Blockchain network.	August 8, 2019
New resource	The following resource was added: AWS::Glue::MLTransform AWS::Glue::MLTransform Use the AWS::Glue::MLTransform resource to manage machine learning transforms.	August 8, 2019
New resource	The following resource was added: AWS::LakeFormation::DataLakeSettings AWS::LakeFormation::DataLakeSettings Use the AWS::LakeFormation::DataLakeSettings resource to manage data lake settings.	August 8, 2019
New resource	The following resource was added: AWS::LakeFormation::Permissions AWS::LakeFormation::Permissions Use the AWS::LakeFormation:Permissions resource to grant or revoke AWS Lake Formation permissions.	August 8, 2019
New resource	The following resource was added: AWS::LakeFormation::Resource AWS::LakeFormation::Resource Use the AWS::LakeFormation::Resource resource to define the resources to which permissions are to be granted.	August 8, 2019
New resource	The following resource was added: AWS::CodeBuild::SourceCredential AWS::CodeBuild::SourceCredential Use the AWS::CodeBuild::SourceCredential resource to specify information about the credentials for a GitHub, GitHub Enterprise, or Bitbucket repository used in an AWS CodeBuild build project.	August 7, 2019
Updated resources	The following resources were updated: AWS::Batch::JobDefinition, AWS::Cognito::UserPool, AWS::Cognito::UserPoolClient, and AWS::Glue::Job. AWS::Batch::JobDefinition In the ContainerProperties property type, use the LinuxParameters property to specify Linux-specific modifications that are applied to the container, such as details for device mappings. AWS::Cognito::UserPool Use the UserPoolAddOns property to enable advanced security risk detection. Use the VerificationMessageTemplate property to define the template for verification messages. AWS::Cognito::UserPoolClient Use the AnalyticsConfiguration property to define the Amazon Pinpoint analytics configuration for collecting metrics for this user pool. AWS::Glue::Job Use the GlueVersion property to determine the versions of Apache Spark and Python that AWS Glue supports. The Python version indicates the version supported for jobs of type Spark. Use the MaxCapacity property to specify the number of AWS Glue data processing units (DPUs) that can be allocated when this job runs. A DPU is a relative measure of processing power that consists of 4 vCPUs of compute capacity and 16 GB of memory. For the NumberofWorkers property, when you specify a Python shell job (JobCommand.Name="pythonshell"), you can allocate either 0.0625 or 1 DPU. The default is 0.0625 DPU. When you specify an Apache Spark ETL job (JobCommand.Name="glueetl"), you can allocate from 2 to 100 DPUs. The default is 10 DPUs. This job type cannot have a fractional DPU allocation. Use the WorkerType property to specify the type of predefined worker that is allocated when a job runs. In the JobCommand property type, use the PythonVersion property to specify the Python version being used to execute a Python shell job.	August 2, 2019
Stack set limit increases	You can now create a maximum of 100 stack sets in your administrator account, create a maximum of 2000 stack instances per stack set, and run a maximum of 3500 stack instance operations in each region at the same time, per administrator account. For more details, see AWS CloudFormation Limits.	August 2, 2019
New resource	The following resource was added: AWS::CodeStar::GitHubRepository. AWS::CodeStar::GitHubRepository Use the AWS::CodeStar::GitHubRepository resource to create a GitHub repository where you can store source code for use with AWS workflows. If provided, your source code is uploaded to the repository after it is created.	August 2, 2019
Updated resource	You can now add tags to a CodeCommit repository in your AWS CloudFormation template. AWS::CodeCommit::Repository Use the Tags property to provide information about one or more tag key-value pairs to use when tagging a repository.	July 25, 2019
Updated resources	The following resource was updated: AWS::AmazonMQ::Broker. AWS::AmazonMQ::Broker Use the encryptionOptions property to specify an AWS-owned CMK or a customer-managed CMK.	July 22, 2019
Updated resources	The following resources were updated: AWS::Amplify::App and AWS::Amplify::Branch. AWS::Amplify::App Use the AutoBranchCreationConfig property type to automatically create branches that match a certain pattern. AWS::Amplify::Branch Use the EnableAutoBuild property to enable automatic builds for a branch.	July 18, 2019
New resources	The following resources were added: AWS::IoTEvents::DetectorModel and AWS::IoTEvents::Input. AWS::IoTEvents::DetectorModel Use the DetectorModel resource to create a detector model. AWS::IoTEvents::Input Use the Input resource to create an input.	July 18, 2019
New resource	The following resource was added: AWS::CloudWatch::AnomalyDetector. AWS::CloudWatch::AnomalyDetector Use the AWS::CloudWatch::AnomalyDetector resource to specify an anomaly detection band for a certain metric and statistic. The band represents the expected "normal" range for the metric values.	July 12, 2019
Updated resources	The following resources were updated: AWS::IoTAnalytics::Channel and AWS::IoTAnalytics::Datastore. AWS::IoTAnalytics::Channel Use the ChannelStorage property to specify channel data is stored. AWS::IoTAnalytics::Datastore Use the DatastoreStorage property to specify where data store data is stored.	June 27, 2019
New resources	The following resources were added: AWS::MediaLive::Channel, AWS::MediaLive::Input, and AWS::MediaLive::InputSecurityGroup. AWS::MediaLive::Channel The AWS::MediaLive::Channel resource creates a channel. A MediaLive channel ingests and transcodes (decodes and encodes) source content from the inputs that are attached to that channel, and packages the new content into outputs. AWS::MediaLive::Input The AWS::MediaLive::Input resource creates an input. A MediaLive input holds information that describes how the MediaLive channel is connected to the upstream system that is providing the source content that is to be transcoded. AWS::MediaLive::InputSecurityGroup The AWS::MediaLive::InputSecurityGroup resource creates an input security group. A MediaLive input security group is associated with a MediaLive input. The input security group is an "allow list" of IP addresses that controls whether an external IP address can push content to the associated MediaLive input.	June 27, 2019
Updated resource	The following resource was updated: AWS::EC2::LaunchTemplate AWS::EC2::LaunchTemplate In the SpotOptions property type, use BlockDurationMinutes to specify the required duration for the Spot Instances, and use ValidUntil to specify the end date for the Spot request.	June 25, 2019
New resource	The following resource was added: AWS::SecurityHub::Hub AWS::SecurityHub::Hub Use the AWS::SecurityHub::Hub resource to specify the implementation of the AWS Security Hub service in your account.	June 25, 2019
Updated resources	The following resource were updated: AWS::AppStream::Fleet, AWS::ServiceCatalog::CloudFormationProvisionedProduct AWS::ServiceCatalog::CloudFormationProvisionedProduct Use the ProvisioningPreferences property to specify user-defined preferences that will be applied when updating a provisioned product. AWS::AppStream::Fleet Use the IdleDisconnectTimeoutInSeconds property to specify the amount of time that users can be idle (inactive) before they are disconnected from their streaming session and the DisconnectTimeoutInSeconds time interval begins.	June 20, 2019
New resources	The following resource was added: AWS::Config::RemediationConfiguration, AWS::ServiceCatalog::StackSetConstraint AWS::Config::RemediationConfiguration Use the AWS::Config::RemediationConfiguration resource to specify the details about the remediation configuration, including the remediation action, parameters, and data to execute the action. AWS::ServiceCatalog::StackSetConstraint Use the AWS::ServiceCatalog::StackSetConstraint resource to specify a stack set constraint.	June 20, 2019
Updated resources	The following resources were updated: AWS::AppMesh::VirtualNode, AWS::CodeBuild::Project, AWS::EC2::Host, AWS::EC2::Route, AWS::EC2::VPNConnection, AWS::ECS::Cluster, AWS::ECS::Service, AWS::ECS::TaskDefinition, AWS::EFS::MountTarget, AWS::ElasticLoadBalancingV2::ListenerRule, AWS::EMR::Cluster, AWS::IoTAnalytics::Dataset, AWS::KinesisFirehose::DeliveryStream, AWS::S3::Bucket. AWS::AppMesh::VirtualNode Use ServiceDiscovery to specify whether to use AWSCloudMap or DNS for service discovery. If using AWS Cloud Map for service discovery, use AwsCloudMapServiceDiscovery to specify ServiceName, NamespaceName, and Attributes properties. Use AwsCloudMapInstanceAttribute to specify key and value pairs for AwsCloudMapServiceDiscovery. AWS::CodeBuild::Project Use the SecondarySourceVersions property to specify an array of ProjectSourceVersion objects. If secondarySourceVersions is specified at the build level, then they take over these secondarySourceVersions (at the project level). AWS::DLM::LifecyclePolicy In the PolicyDetails property type: Use the PolicyType property to determine the valid target resource types and actions a policy can manage. This field defaults to EBS_SNAPSHOT_MANAGEMENT if not present. Use the Parameters property to specify a set of optional parameters that can be provided by the policy. In the Schedule property type, use the VariableTags property to specify a collection of key/value pairs with values determined dynamically when the policy is executed. Keys may be any valid Amazon EC2 tag key. Values must be in one of the two following formats: $(instance-id) or $(timestamp). Variable tags are only valid for EBS Snapshot Management – Instance policies. AWS::EC2::Host Use the HostRecovery property to indicates whether to enable or disable host recovery for the Dedicated Host. AWS::EC2::Route Use the TransitGatewayId property to specify the ID of a transit gateway. AWS::EC2::VPNConnection Use the TransitGatewayId property to specify the ID of the transit gateway associated with the VPN connection. Use the VpnGatewayId property to specify the ID of the virtual private gateway at the AWS side of the VPN connection. AWS::ECR::Repository Use the Tags property to specify an array of key-value pairs to apply to this resource. AWS::ECS::Cluster Use the Tags property to apply metadata to clusters to help you categorize and organize them. AWS::ECS::Service Use the EnableECSManagedTags property to specify whether to enable Amazon ECS managed tags for the tasks within the service. Use the PropagateTags property to specify whether to propagate the tags from the task definition or the service to the tasks in the service. Use the Tags property to apply metadata to services to help you categorize and organize them. AWS::ECS::TaskDefinition In the ContainerDefinition property type: Use the ResourceRequirements property to specify the type and amount of a resource to assign to a container. The only supported resource is a GPU. Use the Secrets property to specify the secrets to pass to the container. Use the Tags property to apply metadata to task definitions to help you categorize and organize them. AWS::EFS::FileSystem Use the LifecyclePolicies property to specify a list of policies used by EFS lifecycle management to transition files to the Infrequent Access (IA) storage class. AWS::EFS::MountTarget Use the IpAddress attribute to return the IPv4 address of the mount target. AWS::ElasticLoadBalancingV2::ListenerRule In the RuleCondition property type: Use the HostHeaderConfig property to specify information for a host header condition. Use the HttpHeaderConfig property to specify information for an HTTP header condition. Use the HttpRequestMethodConfig property to specify information for an HTTP method condition. Use the PathPatternConfig property to specify information for a path pattern condition. Use the QueryStringConfig property to specify information for a query string condition. Use the SourceIpConfig property to specify information for a source IP condition. AWS::EMR::Cluster In the JobFlowInstancesConfig property type, use the Ec2SubnetIds property to specify multiple EC2 subnet IDs. AWS::IoTAnalytics::Dataset When data set contents are created they are delivered to destinations specified in the ContentDeliveryRules property. Use the VersioningConfiguration property to specify how many versions of data set contents are kept. If not specified or set to null, only the latest version plus the latest succeeded version (if they are different) are kept for the time period specified by the "retentionPeriod" parameter. AWS::KinesisFirehose::DeliveryStream In the ExtendedS3DestinationConfiguration property type: Use the DataFormatConversionConfiguration property to specify the serializer, deserializer, and schema for converting data from the JSON format to the Parquet or ORC format before writing it to Amazon S3. Use the ErrorOutputPrefix property to specify a prefix that Kinesis Data Firehose evaluates and adds to failed records before writing them to S3. The Prefix property is no longer required. In the S3DestinationConfiguration property type, use the ErrorOutputPrefix property to specify a prefix that Kinesis Data Firehose evaluates and adds to failed records before writing them to S3. AWS::S3::Bucket Use the ObjectLockConfiguration property to specify an object lock configuration for the specified bucket. Use the ObjectLockEnabled property to specify whether this bucket has an object lock configuration enabled.	June 13, 2019
New resources	The following resources were added: AWS::Amplify::App, AWS::Amplify::Branch, AWS::Amplify::Domain, AWS::EC2::ClientVpnAuthorizationRule, AWS::EC2::ClientVpnEndpoint, AWS::EC2::ClientVpnRoute, AWS::EC2::ClientVpnTargetNetworkAssociation, AWS::MSK::Cluster. AWS::Amplify::App Creates apps in AWS Amplify Console. An app is a collection of branches. AWS::Amplify::Branch Creates a new branch within an AWS Amplify Console app. AWS::Amplify::Domain Allows you to connect a custom domain to your AWS Amplify Console app. AWS::EC2::ClientVpnAuthorizationRule Specifies an ingress authorization rule to add to a Client VPN endpoint. Ingress authorization rules act as firewall rules that grant access to networks. AWS::EC2::ClientVpnEndpoint Specifies a Client VPN endpoint. A Client VPN endpoint is the resource you create and configure to enable and manage client VPN sessions. It is the destination endpoint at which all client VPN sessions are terminated. AWS::EC2::ClientVpnRoute Specifies a network route to add to a Client VPN endpoint. Each Client VPN endpoint has a route table that describes the available destination network routes. Each route in the route table specifies the path for traffic to specific resources or networks. AWS::EC2::ClientVpnTargetNetworkAssociation Specifies a target network to associate with a Client VPN endpoint. A target network is a subnet in a VPC. You can associate multiple subnets from the same VPC with a Client VPN endpoint. AWS::MSK::Cluster Use the AWS::MSK::Cluster resource to create an Amazon MSK cluster.	June 13, 2019
Updated resources	The following resource was updated: AWS::SageMaker::NotebookInstance. AWS::SageMaker::NotebookInstance Use the AcceleratorTypes property to specify a list of Elastic Inference (EI) instance types to associate with this notebook instance. Use the AdditionalCodeRepositories property to specify an array of up to three Git repositories associated with the notebook instance. Use the DefaultCodeRepository property to specify the Git repository associated with the notebook instance as its default code repository.	June 3, 2019
New resources	The following resources were added: AWS::IoTThingsGraph::FlowTemplate, AWS::Pinpoint::ADMChannel, AWS::Pinpoint::APNSChannel, AWS::Pinpoint::APNSSandboxChannel, AWS::Pinpoint::APNSVoipChannel, AWS::Pinpoint::APNSVoipSandboxChannel, AWS::Pinpoint::App, AWS::Pinpoint::ApplicationSettings, AWS::Pinpoint::BaiduChannel, AWS::Pinpoint::Campaign, AWS::Pinpoint::EmailChannel, AWS::Pinpoint::EventStream, AWS::Pinpoint::GCMChannel, AWS::Pinpoint::SMSChannel, AWS::Pinpoint::Segment, AWS::Pinpoint::VoiceChannel, AWS::SageMaker::CodeRepository, and AWS::MSK::Cluster. AWS::IoTThingsGraph::FlowTemplate Use the AWS::IoTThingsGraph::FlowTemplate resource to specify a workflow template. AWS::Pinpoint::ADMChannel Use the AWS::Pinpoint::ADMChannel resource to specify an ADM channel. You can use the ADM channel to send push notifications through the Amazon Device Messaging (ADM) service to apps that run on Amazon devices, such as Kindle Fire tablets. AWS::Pinpoint::APNSChannel Use the AWS::Pinpoint::APNSChannel resource to specify an APNs channel. You can use the APNs channel to send push notification messages to the Apple Push Notification service (APNs). AWS::Pinpoint::APNSSandboxChannel Use the AWS::Pinpoint::APNSSandboxChannel resource to specify an APNs sandbox channel. You can use the APNs sandbox channel to send push notification messages to the sandbox environment of the Apple Push Notification service (APNs). AWS::Pinpoint::APNSVoipChannel Use the AWS::Pinpoint::APNSVoipChannel resource to specify an APNs VoIP channel. You can use the APNs VoIP channel to send VoIP notification messages to the Apple Push Notification service (APNs). AWS::Pinpoint::APNSVoipSandboxChannel Use the AWS::Pinpoint::APNSVoipSandboxChannel resource to specify an APNs VoIP sandbox channel. You can use the APNs VoIP sandbox channel to send VoIP notification messages to the sandbox environment of the Apple Push Notification service (APNs). AWS::Pinpoint::App Use the AWS::Pinpoint::App resource to specify an app. AWS::Pinpoint::ApplicationSettings Use the AWS::Pinpoint::ApplicationSettings resource to specify the settings for an Amazon Pinpoint app. AWS::Pinpoint::BaiduChannel Use the AWS::Pinpoint::BaiduChannel resource to update the settings of the Baidu channel for an application. AWS::Pinpoint::Campaign Use the AWS::Pinpoint::Campaign resource to update the settings for a campaign. AWS::Pinpoint::EmailChannel Use the AWS::Pinpoint::EmailChannel resource to update the status and settings of the email channel for an application. AWS::Pinpoint::EventStream Use the AWS::Pinpoint::EventStream resource to create a new event stream for an application or update the settings of an existing event stream for an application. AWS::Pinpoint::GCMChannel Use the AWS::Pinpoint::GCMChannel resource to specify a GCM channel. You can use the GCM channel to send push notification messages to the Firebase Cloud Messaging (FCM) service, which replaced the Google Cloud Messaging (GCM) service. AWS::Pinpoint::SMSChannel Use the AWS::Pinpoint::SMSChannel resource to specify an SMS channel. To send an SMS text message, you send the message through the SMS channel. AWS::Pinpoint::Segment Use the AWS::Pinpoint::Segment resource to create a new segment for an application or update the configuration, dimension, and other settings for an existing segment that's associated with an application. AWS::Pinpoint::VoiceChannel Use the AWS::Pinpoint::VoiceChannel resource to update the status and settings of the voice channel for an application. AWS::SageMaker::CodeRepository Use the AWS::SageMaker::CodeRepository resource to specify a Git repository as a resource in your Amazon SageMaker account.	June 3, 2019
Updated resources	The following resources were updated: AWS::CodeCommit::Repository and AWS::EC2::LaunchTemplate. Code Use the Code resource to provide information about code to be committed. S3 Use the S3 resource to provide information about the Amazon S3 bucket that contains the code that will be committed to the new repository. AWS::EC2::LaunchTemplate In the NetworkInterface property, use InterfaceType to specify the type of network interface.	May 23, 2019
New resources	The following resources were added: AWS::Backup::BackupPlan, AWS::Backup::BackupSelection, AWS::Backup::BackupVault, AWS::PinpointEmail::ConfigurationSet, AWS::PinpointEmail::ConfigurationSetEventDestination, AWS::PinpointEmail::DedicatedIpPool, AWS::PinpointEmail::Identity, AWS::Transfer::Server, AWS::Transfer::User, AWS::WAFRegional::GeoMatchSet, AWS::WAFRegional::RateBasedRule, and AWS::WAFRegional::RegexPatternSet. AWS::Backup::BackupPlan Contains an optional backup plan display name and an array of BackupRule objects, each of which specifies a backup rule. Each rule in a backup plan is a separate scheduled task and can back up a different selection of AWS resources. AWS::Backup::BackupSelection Specifies a set of resources to assign to a backup plan. AWS::Backup::BackupVault Creates a logical container where backups are stored. A CreateBackupVault request includes a name, optionally one or more resource tags, an encryption key, and a request ID. AWS::PinpointEmail::ConfigurationSet Use the AWS::PinpointEmail::ConfigurationSet resource to specify configuration sets for the Amazon Pinpoint Email API. AWS::PinpointEmail::ConfigurationSetEventDestination Use the AWS::PinpointEmail::ConfigurationSetEventDestination resource to specify destinations for events related to sending email in the Amazon Pinpoint Email API. AWS::PinpointEmail::DedicatedIpPool Use the AWS::PinpointEmail::DedicatedIpPool resource to specify groups of dedicated IP addresses in the Amazon Pinpoint Email API. AWS::PinpointEmail::Identity Use the AWS::PinpointEmail::Identity resource to specify identities (email addresses or domains) for sending email through the Amazon Pinpoint Email API. AWS::Transfer::Server Creates an autoscaling virtual server based on Secure File Transfer Protocol (SFTP) in AWS. AWS::Transfer::User Creates a user and associates them with an existing Secure File Transfer Protocol (SFTP) server. AWS::WafRegional::GeoMatchSet The AWS::WAFRegional::GeoMatchSet resource contains one or more countries that AWS WAF will search for. AWS::WafRegional::RateBasedRule The AWS::WAFRegional::RateBasedRule resource is identical to a regular Rule, with one addition: a RateBasedRule counts the number of requests that arrive from a specified IP address every five minutes. AWS::WafRegional::RegexPatternSet The AWS::WAFRegional::RegexPatternSet resource specifies the regular expression (regex) pattern that you want AWS WAF to search for.	May 23, 2019
Updated resources	The following resources were updated: AWS::AppSync::GraphQLApi, AWS::Cognito::UserPool, AWS::Glue::Classifier, AWS::Glue::Crawler, AWS::Glue::DevEndpoint, AWS::Glue::Job, and AWS::Glue::Trigger. AWS::AppSync::GraphQLApi Use the AdditionalAuthenticationProviders property to specify a list of additional authentication providers for the GraphqlApi API. Use the Tags property to specify an arbitrary set of tags (key-value pairs) for this GraphQL API. AWS::Cognito::UserPool In the PasswordPolicy property type, use the TemporaryPasswordValidityDays property to specify the number of days a temporary password is valid. If the user does not sign-in during this time, their password will need to be reset by an administrator. Note When you set TemporaryPasswordValidityDays for a user pool, you will no longer be able to set the deprecated UnusedAccountValidityDays value for that user pool. AWS::Glue::Classifier Use the CsvClassifier property to specify a classifier for comma-separated values (CSV). AWS::Glue::Crawler Use the CrawlerSecurityConfiguration property to specify the name of the SecurityConfiguration structure to be used by this crawler. Use the Tags property to specify the tags to use with this crawler request. You can use tags to limit access to the crawler. AWS::Glue::DevEndpoint Use the SecurityConfiguration property to specify the name of the SecurityConfiguration structure to be used by this DevEndpoint. Use the Tags property to specify the tags to use with this DevEndpoint. You can use tags to limit access to the DevEndpoint. AWS::Glue::Job Use the SecurityConfiguration property to specify the name of the SecurityConfiguration structure to be used with this job. Use the Tags property to specify the tags to use with this job. You can use tags to limit access to the job. AWS::Glue::Trigger Use the Tags property to specify the tags to use with this trigger. You can use tags to limit access to the trigger.	May 17, 2019
New resources	The following resources were added: AWS::Glue::DataCatalogEncryptionSettings, AWS::Glue::SecurityConfiguration, and AWS::MediaStore::Container. AWS::Glue::DataCatalogEncryptionSettings Sets the security configuration for a specified catalog. After the configuration has been set, the specified encryption is applied to every catalog write thereafter. AWS::Glue::SecurityConfiguration Creates a new security configuration. AWS::MediaStore::Container The AWS::MediaStore::Container resource specifies a storage container to hold objects. A container is similar to a bucket in Amazon S3. When you create a container using AWS CloudFormation, the template manages data for five API actions: creating a container, setting access logging, updating the default container policy, adding a cross-origin resource sharing (CORS) policy, and adding an object lifecycle policy.	May 17, 2019
Updated resource	The following resource was updated: AWS::ServiceCatalog::CloudFormationProduct. AWS::ServiceCatalog::CloudFormationProduct In the ProvisioningArtifactProperties property type, if DisableTemplateValidation is set to true, AWS Service Catalog stops validating the specified provisioning artifact even if it is invalid.	May 3, 2019
New resources	The following resources were added: AWS::ApiGatewayV2::ApiMapping and AWS::ApiGatewayV2::DomainName. AWS::ApiGatewayV2::ApiMapping The AWS CloudFormation AWS::ApiGatewayV2::ApiMapping resource contains an API mapping. AWS::ApiGatewayV2::DomainName Use the AWS CloudFormation AWS::ApiGatewayV2::DomainName resource to specify a custom, friendly URL for your API in API Gateway.	May 3, 2019
Limit for resources in concurrent stack operations	CloudFormation now enforces an account limit for the number of resources in concurrent stack operations. This limit is determined by region. For more information, see AWS CloudFormation Limits	April 30, 2019
Updated resources	The following resources were updated: AWS::Greengrass::FunctionDefinition and AWS::Greengrass::FunctionDefinitionVersion. AWS::Greengrass::FunctionDefinition In the FunctionConfiguration property type, the MemorySize and Timeout properties are no longer required. AWS::Greengrass::FunctionDefinitionVersion In the FunctionConfiguration property type, the MemorySize and Timeout properties are no longer required.	April 25, 2019
Updated resources	The following resources were updated: AWS::ECS::TaskDefinition, AWS::ElasticLoadBalancingV2::TargetGroup AWS::ECS::TaskDefinition Use the ProxyConfiguration property to specify the configuration details for an App Mesh proxy. In the ContainerDefinition property type: Use the DependsOn property to specify the dependencies defined for container startup and shutdown. Use the StartTimeout property to specify the time duration to wait before giving up on resolving dependencies for a container. Use the StopTimeout property to specify the time duration to wait before the container is forcefully killed if it doesn't exit normally on its own. AWS::ElasticLoadBalancingV2::TargetGroup Use the HealthCheckEnabled property to indicate whether health checks are enabled. The Port, Protocol, and VpcId properties are now required only if the target type is instance or ip.	April 18, 2019
New resource	The following resource was added: AWS::EC2::CapacityReservation. AWS::EC2::CapacityReservation Use the AWS::EC2::CapacityReservation resource to create a Capacity Reservation.	April 18, 2019
Updated resources	The following resource was updated: AWS::Batch::JobDefinition and AWS::ServiceCatalog::CloudFormationProvisionedProduct. AWS::Batch::JobDefinition Use the ResourceRequirement property type to specify the type and amount of a resource to assign to a container. Currently, the only supported resource type is GPU. AWS::ServiceCatalog::CloudFormationProvisionedProduct The Tags property requires the provisioned product to have a RESOURCE_UPDATE constraint with TagUpdatesOnProvisionedProduct set to ALLOWED to allow tag updates. The Tags property now requires no interruption upon update.	April 4, 2019
New resource	The following resource was added: AWS::ServiceCatalog::ResourceUpdateConstraint. AWS::ServiceCatalog::ResourceUpdateConstraint Use the AWS::ServiceCatalog::ResourceUpdateConstraint resource to create a RESOURCE_UPDATE constraint for Service Catalog.	April 4, 2019
Updated resources	The following resources were updated: AWS::AppStream::Fleet, AWS::AppStream::ImageBuilder, AWS::AppStream::Stack, and AWS::EKS::Cluster. AWS::AppStream::Fleet, AWS::AppStream::ImageBuilder, and AWS::AppStream::Stack Use the Tags property to add or overwrite one or more tags for an Amazon AppStream 2.0 fleet, stack, or image builder. AWS::EKS::Cluster Updates to the Version property no longer require replacement.	March 28, 2019
New resources	The following resources were added: AWS::AppMesh::Mesh, AWS::AppMesh::Route, AWS::AppMesh::VirtualNode, AWS::AppMesh::VirtualRouter, and AWS::AppMesh::VirtualService. AWS::AppMesh::Mesh The AWS::AppMesh::Mesh resource to specify a service mesh. A service mesh is a logical boundary for network traffic between the services that reside within it. AWS::AppMesh::Route Use the AWS::AppMesh::Route resource to specify a route that is associated with a virtual router. AWS::AppMesh::VirtualNode Use the AWS::AppMesh::VirtualNode resource to specify a virtual node within a service mesh. AWS::AppMesh::VirtualRouter Use the AWS::AppMesh::VirtualRouter resource to specify a virtual router within a service mesh. AWS::AppMesh::VirtualService Use the AWS::AppMesh::VirtualService resource to specify a virtual service within a service mesh.	March 27, 2019
New resources	The following resources were added: AWS::Greengrass::ConnectorDefinition, AWS::Greengrass::ConnectorDefinitionVersion, AWS::Greengrass::CoreDefinition, AWS::Greengrass::CoreDefinitionVersion, AWS::Greengrass::DeviceDefinition, AWS::Greengrass::DeviceDefinitionVersion, AWS::Greengrass::FunctionDefinition, AWS::Greengrass::FunctionDefinitionVersion, AWS::Greengrass::Group, AWS::Greengrass::GroupVersion, AWS::Greengrass::LoggerDefinition, AWS::Greengrass::LoggerDefinitionVersion, AWS::Greengrass::ResourceDefinition, AWS::Greengrass::ResourceDefinitionVersion, AWS::Greengrass::SubscriptionDefinition, and AWS::Greengrass::SubscriptionDefinitionVersion. AWS::Greengrass::ConnectorDefinition and AWS::Greengrass::ConnectorDefinitionVersion Use the AWS::Greengrass::ConnectorDefinition and AWS::Greengrass::ConnectorDefinitionVersion resources to create and manage your connectors. AWS::Greengrass::CoreDefinition and AWS::Greengrass::CoreDefinitionVersion Use the AWS::Greengrass::CoreDefinition and AWS::Greengrass::CoreDefinitionVersion resources to create and manage your cores. AWS::Greengrass::DeviceDefinition and AWS::Greengrass::DeviceDefinitionVersion Use the AWS::Greengrass::DeviceDefinition and AWS::Greengrass::DeviceDefinitionVersion resources to create and manage your devices. AWS::Greengrass::FunctionDefinition and AWS::Greengrass::FunctionDefinitionVersion Use the AWS::Greengrass::FunctionDefinition and AWS::Greengrass::FunctionDefinitionVersion resources to create and manage your functions. AWS::Greengrass::Group and AWS::Greengrass::GroupVersion Use the AWS::Greengrass::Group and AWS::Greengrass::GroupVersion resources to create and manage your Greengrass groups. AWS::Greengrass::LoggerDefinitionVersion and AWS::Greengrass::LoggerDefinition Use the AWS::Greengrass::LoggerDefinition and AWS::Greengrass::LoggerDefinitionVersion resources to create and manage your logging configuration. AWS::Greengrass::ResourceDefinition and AWS::Greengrass::ResourceDefinitionVersion Use the AWS::Greengrass::ResourceDefinition and AWS::Greengrass::ResourceDefinitionVersion resources to create and manage your local, machine learning, and secret resources. AWS::Greengrass::SubscriptionDefinition and AWS::Greengrass::SubscriptionDefinitionVersion Use the AWS::Greengrass::SubscriptionDefinition and AWS::Greengrass::SubscriptionDefinitionVersion resources to create and manage your subscriptions.	March 15, 2019
Updated resources	The following resources were updated: AWS::CodeBuild::Project, AWS::OpsWorksCM::Server, and AWS::SageMaker::NotebookInstance. AWS::CodeBuild::Project In the Project Source property type, use the GitSubmodulesConfig property to get information about Git submodules for a project. In the Project S3Logs property type, use the EncryptionDisabled property to disable encryption on S3 build logs. AWS::OpsWorksCM::Server Use the AssociatePublicIpAddress property to associate a public IP address with the server. AWS::SageMaker::NotebookInstance Use the RootAccess property to specify whether root access is enabled or disabled for users of the notebook instance.	March 14, 2019
Updated resources	The following resources were updated: AWS::StepFunctions::Activity and AWS::StepFunctions::StateMachine. AWS::StepFunctions::Activity Use the Tags property to specify the tags (key-value pairs) that you want to attach to the Step Functions activity. AWS::StepFunctions::StateMachine Use the Tags property to specify the tags (key-value pairs) that you want to attach to the Step Functions state machine.	March 7, 2019
Updated resource	The following resource was updated to support envelope encryption of secrets with AWS KMS: AWS::EKS::Cluster AWS::EKS::Cluster EncryptionConfig Use the AWS::EKS::Cluster EncryptionConfig property to specify the encryption configuration for a Amazon EKS cluster. AWS::EKS::Cluster Provider Use the AWS::EKS::Cluster Provider property to specify the AWS Key Management Service (AWS KMS) customer master key (CMK) used to encrypt the secrets for a Amazon EKS cluster.	March 5, 2019
New resource	The following resource was added: AWS::CloudWatch::CompositeAlarm. AWS::CloudWatch::CompositeAlarm Use the AWS::CloudWatch::CompositeAlarm property to create a composite alarm. Composite alarms evaluate their alarm state based on the alarm states of other CloudWatch rules.	March 2, 2019
Updated resource	The following resource was updated: AWS::SageMaker::NotebookInstance. AWS::SageMaker::NotebookInstance Use the VolumeSizeInGB property to specify the size in GB of the persisted machine learning storage volume that is provisioned and attached to the Amazon SageMaker notebook instance.	February 28, 2019
Updated resources	The following resources were updated: AWS::ApiGateway::ApiKey, AWS::CodeBuild::Project, AWS::Elasticsearch::Domain, AWS::RDS::DBCluster, and AWS::RDS::DBInstance. AWS::ApiGateway::ApiKey Use the Value property to specify the value of the API key. AWS::CodeBuild::Project In the ProjectCache property type, you can use the Modes property to specify the type cache an AWS CodeBuild project uses. AWS::Elasticsearch::Domain Use the NodeToNodeEncryptionOptions property to specify whether node-to-node encryption is enabled. AWS::RDS::DBCluster Use the SourceRegion property to specify the AWS Region which contains the source DB cluster when replicating a DB cluster. AWS::RDS::DBInstance Use the UseDefaultProcessorFeatures property to specify that the DB instance class of the DB instance uses its default processor features.	February 21, 2019
New resources	The following resources were added: AWS::RAM::ResourceShare, AWS::RoboMaker::Fleet, AWS::RoboMaker::Robot, AWS::RoboMaker::RobotApplication, AWS::RoboMaker::RobotApplicationVersion, AWS::RoboMaker::SimulationApplication, and AWS::RoboMaker::SimulationApplicationVersion. AWS::RAM::ResourceShare Use the AWS::RAM::ResourceShare resource to create, update, and delete an Amazon ResourceShare. AWS::RoboMaker::Fleet Use the AWS::RoboMaker::Fleet resource to to create an AWS RoboMaker fleet. AWS::RoboMaker::Robot Use the AWS::RoboMaker::Robot resource to create an AWS RoboMaker robot. AWS::RoboMaker::RobotApplication Use the AWS::RoboMaker::RobotApplication resource to create an AWS RoboMaker robot application. AWS::RoboMaker::RobotApplicationVersion Use the AWS::RoboMaker::RobotApplicationVersion resource to create a version of an AWS RoboMaker robot application. AWS::RoboMaker::SimulationApplication Use the AWS::RoboMaker::SimulationApplication resource to create an AWS RoboMaker simulation application. AWS::RoboMaker::SimulationApplicationVersion Use the AWS::RoboMaker::SimulationApplicationVersion resource to create a version of an AWS RoboMaker simulation application.	February 21, 2019
Updated resource	The following resource was updated: AWS::CodeBuild::Project. AWS::CodeBuild::Project In the ProjectTriggers property type, you can use the WebhookFilters property to specify the webhook events that trigger a new AWS CodeBuild build.	February 15, 2019
New resources	The following resources were added: AWS::FSx::FileSystem, AWS::KinesisAnalyticsv2::Application, AWS::KinesisAnalyticsv2::ApplicationCloudWatchLoggingOption, AWS::KinesisAnalyticsv2::ApplicationOutput, and AWS::KinesisAnalyticsv2::ApplicationReferenceDataSource. AWS::FSx::FileSystem Use the AWS::FSx::FileSystem resource to create a new Amazon FSx for Lustre or Amazon FSx for Windows File Server file system. AWS::KinesisAnalyticsV2::Application Use the AWS::KinesisAnalyticsV2::Application resource to create an Amazon Kinesis Data Analytics application. AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption Use the AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption resource to add an Amazon CloudWatch log stream to monitor application configuration errors. AWS::KinesisAnalyticsV2::ApplicationOutput Use the AWS::KinesisAnalyticsV2::ApplicationOutput resource to describe a SQL-based Amazon Kinesis Data Analytics application's output configuration. AWS::KinesisAnalyticsV2::ApplicationReferenceDataSource Use the AWS::KinesisAnalyticsV2::ApplicationReferenceDataSource resource to describe a reference data source for a SQL-based Amazon Kinesis Data Analytics application.	February 15, 2019
Updated resources	The following resources were updated: AWS::OpsWorksCM::Server, AWS::ServiceDiscovery::Instance, and AWS::ServiceDiscovery::Service. AWS::OpsWorksCM::Server EngineAttributes were updated to include additional attributes that you can use to create an AWS OpsWorks for Puppet Enterprise master server. AWS::ServiceDiscovery::Instance The InstanceAttributes property now takes a String map value. AWS::ServiceDiscovery::Service The DNSConfig property is no longer required. An update to the HealthCheckCustomConfig property now requires replacement.	February 8, 2019
New resources	The following resources were added: AWS::ApiGatewayV2::Api, AWS::ApiGatewayV2::Authorizer, AWS::ApiGatewayV2::Deployment, AWS::ApiGatewayV2::Integration, AWS::ApiGatewayV2::IntegrationResponse, AWS::ApiGatewayV2::Model, AWS::ApiGatewayV2::Route, AWS::ApiGatewayV2::RouteResponse, and AWS::ApiGatewayV2::Stage. AWS::ApiGatewayV2::Api Use the AWS::ApiGatewayV2::Api resource to manage an API Gateway WebSocket API. AWS::ApiGatewayV2::Authorizer Use the AWS::ApiGatewayV2::Authorizer resource to represent an API Gateway authorizer function. AWS::ApiGatewayV2::Deployment Use the AWS::ApiGatewayV2::Deployment resource to create an API Gateway WebSocket API deployment. AWS::ApiGatewayV2::Integration Use the AWS::ApiGatewayV2::Integration resource to specify information about the target backend that an API Gateway route calls. AWS::ApiGatewayV2::IntegrationResponse Use the AWS::ApiGatewayV2::IntegrationResponse resource to specify the response that API Gateway sends after a route's backend finishes processing a WebSocket message. AWS::ApiGatewayV2::Model Use the AWS::ApiGatewayV2::Model resource to define the structure of a route request or response payload for an API Gateway WebSocket API. AWS::ApiGatewayV2::Route Use the AWS::ApiGatewayV2::Route resource to specify information that is expected to be present in a WebSocket message payload. AWS::ApiGatewayV2::RouteResponse Use the AWS::ApiGatewayV2::RouteResponse resource to define the responses that can be sent to the client that sends a message to an API Gateway WebSocket API. AWS::ApiGatewayV2::Stage Use the AWS::ApiGatewayV2::Stage resource to create a stage for an API Gateway WebSocket API deployment.	February 8, 2019
Updated resources	The following resources were updated: AWS::CodeBuild::Project and AWS::ElasticLoadBalancingV2::Listener. AWS::CodeBuild::Project In the Environment property type, you can use the ImagePullCredentialsType property to specify the type of credentials AWS CodeBuild uses to pull images in your build. In the Environment property type, you can use the RegistryCredential property to provide information about credentials that provide access to a private Docker registry. AWS::ElasticLoadBalancingV2::Listener Create TLS listeners for your Network Load Balancers.	January 24, 2019
New resource	The following resource was added: AWS::OpsWorksCM::Server. AWS::OpsWorksCM::Server Use the AWS::OpsWorksCM::Server resource to create an AWS OpsWorks for Chef Automate or AWS OpsWorks for Puppet Enterprise server.	January 24, 2019
UpdateReplacePolicy attribute added	Use the UpdateReplacePolicy attribute to retain or (in some cases) backup the existing physical instance of a resource when it is replaced during a stack update operation. For more information, see UpdateReplacePolicy Attribute.	January 23, 2019
Updated resource	The following resource was updated: AWS::Inspector::AssessmentTarget AWS::Inspector::AssessmentTarget The ResourceGroupArn property is no longer required. If unspecified, all Amazon EC2 instances in your AWS account in the current region will be included in the assessment target.	January 17, 2019
Updated resource	The following resource was updated: AWS::ServiceCatalog::CloudFormationProvisionedProduct. AWS::ServiceCatalog::CloudFormationProvisionedProduct The ProductId property now requires no interruption upon update. The ProductName property now requires no interruption upon update. Each time a stack is created or updated, if ProductName is provided it will successfully resolve to ProductId as long as only one product exists in the account/region with that ProductName.	January 10, 2019
New resources	The following resources were added: AWS::DocDB::DBCluster, AWS::DocDB::DBClusterParameterGroup, AWS::DocDB::DBInstance, and AWS::DocDB::DBSubnetGroup. AWS::DocDB::DBCluster Use the AWS::DocDB::DBCluster resource to manage an Amazon DocumentDB cluster. AWS::DocDB::DBClusterParameterGroup Use the AWS::DocDB::DBClusterParameterGroup resource to manage an Amazon DocumentDB cluster parameter group. AWS::DocDB::DBInstance Use the AWS::DocDB::DBInstance resource to manage an Amazon DocumentDB instance. AWS::DocDB::DBSubnetGroup Use the AWS::DocDB::DBSubnetGroup resource to describe an Amazon DocumentDB subnet group.	January 10, 2019
Updated resources	The following resources were updated: AWS::AmazonMQ::Broker, AWS::AmazonMQ::Configuration, and AWS::SageMaker::Model. AWS::AmazonMQ::Broker Use the Tags property to specify an array of key-value pairs for cost allocation tagging. AWS::AmazonMQ::Configuration Use the Tags property to specify an array of key-value pairs for cost allocation tagging. AWS::SageMaker::Model Use the Containers property to specify the list of containers in the inference pipeline.	January 3, 2019
New resource	The following resource was added: AWS::Route53Resolver::ResolverRuleAssociation. AWS::Route53Resolver::ResolverRuleAssociation Use the AWS::Route53Resolver::ResolverRuleAssociation resource to associate an Amazon Route 53 Resolver rule and a VPC that you created using Amazon Virtual Private Cloud (Amazon VPC).	January 3, 2019
Updated resource	The following resource was updated: AWS::AmazonMQ::Broker. AWS::AmazonMQ::Broker The following attributes are now available using the Fn::Getatt intrinsic function: IpAddresses MqttEndpoints OpenWireEndpoints AmqpEndpoints StompEndpoints WssEndpoints	December 13, 2018
Stack instance operation limit	For StackSets, you can have a maximum of 1500 stack instance operations running in a given region at the same time, per administrator account. For more information, see AWS CloudFormation Limits.	December 13, 2018
New resources	The following resources were added: AWS::AmazonMQ::ConfigurationAssociation, AWS::IoTAnalytics::Channel, AWS::IoTAnalytics::Dataset, AWS::IoTAnalytics::Datastore, and AWS::IoTAnalytics::Pipeline. AWS::AmazonMQ::ConfigurationAssociation Use the AWS::AmazonMQ::ConfigurationAssociation resource to associate a configuration with a broker, or return information about the specified configuration association. AWS::IoTAnalytics::Channel Use the AWS::IoTAnalytics::Channel resource to create a channel. A channel collects data from an MQTT topic and archives the raw, unprocessed messages before publishing the data to a pipeline. AWS::IoTAnalytics::Dataset Use the AWS::IoTAnalytics::Dataset resource to create a data set. A data set retrieves data from a data store and allows you to explore and analyze your data using machine learning tools. AWS::IoTAnalytics::Datastore Use the AWS::IoTAnalytics::Datastore resource to create a data store. A data store holds messages from a channel which have been processed through a pipeline. AWS::IoTAnalytics::Pipeline Use the AWS::IoTAnalytics::Pipeline resource to create a pipeline. A pipeline consumes messages from one or more channels and allows you to process the messages before storing them in a data store.	December 13, 2018
The CAPABILITY_AUTO_EXPAND capability is now available.	Use the CAPABILITY_AUTO_EXPAND capability to create or update a stack directly from a stack template that contains macros, without first reviewing the resulting changes in a change set first. For more information, see CreateStack or UpdateStack in AWS CloudFormation API Reference.	December 7, 2018
Updated resource	The following resource was updated: AWS::CodeBuild::Project. AWS::CodeBuild::Project In the Environment property type, you can use the Certificate property to specify a certificate to use with your build project. In the Artifacts property type, you can use the ArtifactIdentifier property to identify the project artifact. In the Source property type, you can use the SourceIdentifier property to identify the project source.	December 6, 2018
Updated resource	The following resource was updated: AWS::Lambda::Function AWS::Lambda::Function Use the Layers property to specify a list of Amazon Resource Names (ARNs) for the function layers to add to the function's execution environment.	November 29, 2018
New resources	The following resources were added: AWS::Lambda::LayerVersion, AWS::Lambda::LayerVersionPermission. AWS::Lambda::LayerVersion Use the AWS CloudFormation AWS::Lambda::LayerVersion resource to create a layer version in AWS Lambda. AWS::Lambda::LayerVersionPermission Use the AWS CloudFormation AWS::Lambda::LayerVersionPermission resource to give other accounts permission to use a layer version in AWS Lambda.	November 29, 2018
Updated resources	The following resources were updated: AWS::DynamoDB::Table, AWS::EC2::Instance, and AWS::ServiceDiscovery::Service. AWS::DynamoDB::Table Use the BillingMode property to specify how you are charged for read and write throughput and how you manage capacity. The ProvisionedThroughput property is now conditional. In the GlobalSecondaryIndex property type, the ProvisionedThroughput property is now conditional. AWS::EC2::Instance Use the ElasticInferenceAccelerators property to specify a list of elastic inference accelerators for an instance. Use the LicenseSpecifications property to associate a list of license configuration with an instance. AWS::ServiceDiscovery::Service Use the NamespaceId property to specify the ID of the namespace that you want to use to create the service. In the DnsConfig property type, use the RoutingPolicy property to specify the routing policy that you want to apply to all DNS records that AWS Cloud Map creates when you register an instance and specify this service.	November 28, 2018
New resource	The following resource was added: AWS::ServiceDiscovery::HttpNamespace. AWS::ServiceDiscovery::HttpNamespace Use the HttpNamespace resource to create an HTTP namespace for Cloud Map.	November 28, 2018
New resources	The following resources were added: AWS::EC2::TransitGateway, AWS::EC2::TransitGatewayAttachment, AWS::EC2::TransitGatewayRoute, AWS::EC2::TransitGatewayRouteTable, AWS::EC2::TransitGatewayRouteTableAssociation, and AWS::EC2::TransitGatewayRouteTablePropagation. AWS::EC2::TransitGateway Use the AWS::EC2::TransitGateway resource to create a transit gateway. AWS::EC2::TransitGatewayAttachment Use the AWS::EC2::TransitGatewayAttachment resource to create an attachment between a VPC and a transit gateway. AWS::EC2::TransitGatewayRoute Use the AWS::EC2::TransitGatewayRoute resource to create a static route for a transit gateway route table. AWS::EC2::TransitGatewayRouteTable Use the AWS::EC2::TransitGatewayRouteTable resource to create a route table for a transit gateway. AWS::EC2::TransitGatewayRouteTableAssociation Use the AWS::EC2::TransitGatewayRouteTableAssociation resource to associate an attachment with a transit gateway route table. AWS::EC2::TransitGatewayRouteTablePropagation Use the AWS::EC2::TransitGatewayRouteTablePropagation resource to enable an attachment to propagate routes.	November 26, 2018
New resources	The following resources were added: Alexa::ASK::Skill, AWS::AppSync::FunctionConfiguration, AWS::EC2::EC2Fleet, AWS::Kinesis::StreamConsumer, AWS::Route53Resolver:ResolverEndpoint, and AWS::Route53Resolver::ResolverRule. Alexa::ASK::Skill Use the Alexa::ASK::Skill resource to create an Alexa skill. AWS::AppSync::FunctionConfiguration Use the AWS::AppSync::FunctionConfiguration resource to describe the functions defined with appsync datasource in AWS AppSync. AWS::EC2::EC2Fleet Use the AWS::EC2::EC2Fleet resource to launch an EC2 Fleet that can include multiple launch specifications that vary by instance type, AMI, Availability Zone, or subnet. AWS::Kinesis::StreamConsumer Use the AWS::Kinesis::StreamConsumer resource to to register a consumer with a Kinesis data stream. AWS::Route53Resolver::ResolverEndpoint Use the AWS::Route53Resolver::ResolverEndpoint resource to specify settings for inbound or outbound endpoints for Amazon Route 53. AWS::Route53Resolver::ResolverRule Use the AWS::Route53Resolver::ResolverRule resource to specify detailed information about a resolver rule, which specifies how to route DNS queries out of a VPC for Amazon Route 53.	November 20, 2018
Updated resources	The following resources were updated: AWS::ApiGateway::Deployment, AWS::ApiGateway::Stage, AWS::AutoScaling::AutoScalingGroup, AWS::EC2::EIP, AWS::ElasticLoadBalancingV2::Listener, AWS::EMR::Cluster, AWS::OpsWorks::Layer, AWS::RDS::DBCluster, AWS::RDS::DBInstance, AWS::S3::Bucket, and AWS::SNS::Topic. AWS::ApiGateway::Deployment In the StageDescription property type, use the Tags property to specify the AWS CloudFormation resource tags to associate with the stage. AWS::ApiGateway::Stage Use the Tags property to specify the AWS CloudFormation resource tags to associate with the stage. AWS::AutoScaling::AutoScalingGroup Use the MixedInstancesPolicy property to provision a combination of On-Demand Instances and Spot Instances across multiple instance types. When you create your Auto Scaling group, you can specify a launch configuration or template as a parameter for the top-level object, or you can specify a mixed instances policy, but not both at the same time. AWS::EC2::EIP Use the PublicIpv4Pool property to specify the ID of an address pool that you own to let Amazon EC2 select an address from the address pool. AWS::ElasticLoadBalancingV2::Listener In the Action property type: Use the AuthenticateCognitoConfig property to specify request parameters to use when integrating with Amazon Cognito to authenticate users. Use the AuthenticateOidcConfig property to request parameters when using an identity provider (IdP) that is compliant with OpenID Connect (OIDC) to authenticate users. Use the FixedResponseConfig property to specify information about an action that returns a custom HTTP response. Use the RedirectConfig property to specify information about a redirect action. AWS::ElasticLoadBalancingV2::ListenerRule In the Actions property type: Use the AuthenticateCognitoConfig property to specify request parameters to use when integrating with Amazon Cognito to authenticate users. Use the AuthenticateOidcConfig property to request parameters when using an identity provider (IdP) that is compliant with OpenID Connect (OIDC) to authenticate users. Use the FixedResponseConfig property to specify information about an action that returns a custom HTTP response. Use the RedirectConfig property to specify information about a redirect action. AWS::EMR::Cluster Use the HadoopJarStepConfig property type to specify a job flow step consisting of a JAR file whose main function will be executed. Use the StepConfig property type to specify a cluster (job flow) step. Use the KeyValue property type to specify a key value pair. In the JobFlowInstancesConfig property type, use KeepJobFlowAliveWhenNoSteps property to specify whether the cluster should remain available after completing all steps. AWS::OpsWorks::Layer In the VolumeConfiguration property type, use the Encrypted property to specify whether an Amazon EBS volume is encrypted. AWS::RDS::DBCluster Use the DeletionProtection property to indicate whether the DB cluster should have deletion protection enabled. The database can't be deleted when this value is set to true. If you want to delete a stack with a protected cluster, update this value to false before you delete the stack. AWS::RDS::DBInstance Use the DeleteAutomatedBackups property to indicate whether automated backups should be deleted (true) or retained (false) when you delete a DB instance. The default is true. Use the DeletionProtection property to indicate whether the DB instance should have deletion protection enabled. The database can't be deleted when this value is set to true. If you want to delete a stack with a protected instance, update this value to false before you delete the stack. AWS::S3::Bucket Use the PublicAccessBlockConfiguration property to specify the public access configuration for an Amazon S3 bucket. AWS::SNS::Topic Use the KmsMasterKeyId property to specify an AWS KMS key identifier. This can be a key ID, key ARN, or key alias.	November 19, 2018
Updated resource	The following resource was updated: AWS::CodePipeline::Pipeline. AWS::CodePipeline::Pipeline Use the ArtifactStores property to specify a list of ArtifactStoreMap mappings. There must be an artifact store for the pipeline region and for each cross-region action within the pipeline. You can only use either ArtifactStore or ArtifactStores, not both. In the Actions property type, use the Region property to specify the action’s AWS Region, such as us-east-1.	November 13, 2018
Stack drift detection added	Drift detection enables you to detect whether a stack's actual configuration differs, or has drifted, from its expected template configuration as defined within AWS CloudFormation. You can have AWS CloudFormation detect drift on an entire stack, or individual stack resources. For more information, see Detecting Unmanaged Configuration Changes to Stacks and Resources.	November 13, 2018
Updated resources	The following resources have been updated: AWS::ApiGateway::Deployment, AWS::ApiGateway::Stage, AWS::CloudWatch::Alarm, AWS::EC2::SecurityGroupIngress, AWS::IAM::Role, AWS::IAM::User, AWS::IoT::TopicRule, AWS::KMS::Key, AWS::RDS::DBCluster, AWS::RDS::DBInstance, AWS::Route53::RecordSet, AWS::S3::Bucket, and AWS::Workspaces::Workspace. AWS::ApiGateway::Deployment In the StageDescription property type, use the TracingEnabled property to specify whether active tracing with X-ray is enabled for this stage. AWS::ApiGateway::Stage Use the TracingEnabled property to specify whether active tracing with X-ray is enabled for this stage. AWS::CloudWatch::Alarm Use the DatapointsToAlarm property to specify the number of datapoints that must be breaching to trigger the alarm. This is used only if you are setting an "M out of N" alarm. In that case, this value is the M. AWS::EC2::SecurityGroupIngress Use the SourcePrefixListId property to specify the AWS service prefix of an Amazon VPC endpoint. AWS::IAM::Role Use the PermissionsBoundary property to specify the policy that is used to set the permissions boundary for the role. AWS::IAM::User Use the PermissionsBoundary property to specify the policy that is used to set the permissions boundary for the user. AWS::IoT::TopicRule In the TopicRulePayload property type, use the ErrorActions property to specify the action to take when an error occurs. In the Action property type: Use the IoTAnalytics property to send message data to an AWS IoT Analytics channel. Use the StepFunctionsAction property to start execution of a Step Functions state machine. AWS::KMS::Key Use the PendingWindowInDays property to specify the waiting period, specified in number of days, after which AWS KMS deletes the customer master key (CMK). AWS::RDS::DBInstance Use the EnableCloudwatchLogsExports property to specify the list of log types that need to be enabled for exporting to CloudWatch Logs. Use the EnableIAMDatabaseAuthentication property to enable mapping of AWS Identity and Access Management (IAM) accounts to database accounts. Use the EnablePerformanceInsights property to enable Performance Insights for the DB instance. Use the PerformanceInsightsKMSKeyId property to specify the AWS KMS key identifier for encryption of Performance Insights data. The AWS KMS key ID is the Amazon Resource Name (ARN), AWS KMS key identifier, or the AWS KMS key alias for the AWS KMS encryption key. Use the PerformanceInsightsRetentionPeriod property to specify the amount of time, in days, to retain Performance Insights data. Use the ProcessorFeatures property to specify the number of CPU cores and the number of threads per core for the DB instance class of the DB instance. Use the PromotionTier property to specify the order in which an Aurora Replica is promoted to the primary instance after a failure of the existing primary instance. AWS::RDS::DBCluster Use the EnableCloudwatchLogsExports property to specify the list of log types that need to be enabled for exporting to CloudWatch Logs. Use the EnableIAMDatabaseAuthentication property to enable mapping of AWS Identity and Access Management (IAM) accounts to database accounts. Use the BacktrackWindow property to specify the target backtrack window, in seconds. To disable backtracking, specify 0. If specified, this property must be set to a number from 0 to 259,200 (72 hours). AWS::Route53::RecordSet Use the MultiValueAnswer property to route traffic approximately randomly to multiple resources, such as web servers. Create one multivalue answer record for each resource and specify true for MultiValueAnswer. AWS::S3::Bucket Use the RegionalDomainName attribute with the Fn::GetAtt function to return the regional domain name of the specified bucket. AWS::Workspaces::Workspace Use the Tags property to specify the tags (key-value pairs) that you want to attach to the WorkSpace. Use the WorkspaceProperties property to specify information about a WorkSpace.	November 9, 2018
The secretsmanager dynamic reference is now available.	Use the secretsmanager dynamic reference to retrieve entire secrets or secret values that are stored in AWS Secrets Manager for use in your templates. Secrets can be database credentials, passwords, third-party API keys, and even arbitrary text. Using the secretsmanager dynamic reference guarantees that neither Secrets Manager nor CloudFormation logs or persists any resolved secret value. For more information, see Using Dynamic References to Specify Template Values.	November 9, 2018
New resources	The following resources were added: AWS::DLM::LifecyclePolicy, AWS::SecretsManager::ResourcePolicy, AWS::SecretsManager::RotationSchedule, AWS::SecretsManager::Secret, and AWS::SecretsManager::SecretTargetAttachment. AWS::DLM::LifecyclePolicy The AWS::DLM::LifecyclePolicy resource creates a lifecycle policy for Amazon Data Lifecycle Manager. AWS::SecretsManager::ResourcePolicy Use the AWS::SecretsManager::ResourcePolicy resource to define a resource-based policy and attach it to a secret that's stored in Secrets Manager. AWS::SecretsManager::RotationSchedule Use the AWS::SecretsManager::RotationSchedule resource to configure rotation for a secret. AWS::SecretsManager::Secret Use the AWS::SecretsManager::Secret resource to create a secret and stores it in Secrets Manager. AWS::SecretsManager::SecretTargetAttachment Use the AWS::SecretsManager::SecretTargetAttachment resource to complete the final link between a Secrets Manager secret and its associated database.	November 9, 2018
Updated resource	The following resource was updated: AWS::SSM:MaintenanceWindow. AWS::SSM:MaintenanceWindow Use the StartDate and StartDate property types to specify when you want the Maintenance Window to become active or inactive. Use the ScheduleTimezone property type to specify the time zone to base scheduled Maintenance Window executions on, in Internet Assigned Numbers Authority (IANA) format.	November 1, 2018
Updated resources	The following resources were updated: AWS::AppSync::DataSource, AWS::AppSync::Resolver, AWS::AutoScalingPlans::ScalingPlan, AWS::Batch::JobDefinition, AWS::Batch::ComputeEnvironment, AWS::CloudWatch::Alarm, AWS::IoT1Click::Placement, and AWS::IoT1Click::Project. AWS::AppSync::DataSource Use the RelationalDatabaseConfig property type to specify RelationalDatabaseConfig for an AWS AppSync data source. In the HttpConfig property type, use the AuthorizationConfig property to specify the authorization type and configurations for an AWS AppSync http data source. AWS::AppSync::Resolver Use the PipelineConfig property type to specify PipelineConfig for an AWS AppSync data source to connect with functions. AWS::AutoScalingPlans::ScalingPlan Use the ScalingInstruction property type to configure predictive scaling as part of the scaling configuration for an Amazon EC2 Auto Scaling group in an AWS Auto Scaling scaling plan. Use the PredefinedLoadMetricSpecification property type to specify a predefined load metric for predictive scaling to use with AWS Auto Scaling. Use the CustomizedLoadMetricSpecification property type to specify a customized load metric for predictive scaling to use with AWS Auto Scaling. AWS::Batch::JobDefinition The AWS::Batch::JobDefinition resource was updated to support AWS Batch multi-node parallel jobs. AWS::Batch::ComputeEnvironment The AWS::Batch::ComputeEnvironment resource was updated to support Amazon EC2 launch templates and placement groups. AWS::CloudWatch::Alarm Use the Metrics property to specify the metric data to return. The MetricName, Namespace, and Period properties are now optional. AWS::IoT1Click::Placement The PlacementName property is now optional. AWS::IoT1Click::Project The ProjectName property is now optional.	October 25, 2018
New resources	The following resources were added: AWS::AppStream::DirectoryConfig, AWS::AppStream::Fleet, AWS::AppStream::ImageBuilder, AWS::AppStream::Stack, AWS::AppStream::StackFleetAssociation, AWS::AppStream::StackUserAssociation, AWS::AppStream::User. AWS::AppStream::DirectoryConfig Use the AWS::AppStream::DirectoryConfig resource to describe the configuration information required to join Amazon AppStream 2.0 fleets and image builders to Microsoft Active Directory domains. AWS::AppStream::Fleet Use the AWS::AppStream::Fleet resource to create a fleet for Amazon AppStream 2.0. A fleet consists of streaming instances that run a specified image. AWS::AppStream::ImageBuilder Use the AWS::AppStream::ImageBuilder resource to create an image builder for Amazon AppStream 2.0. AWS::AppStream::Stack Use the AWS::AppStream::Stack resource to create a stack to start streaming applications to Amazon AppStream 2.0 users. AWS::AppStream::StackFleetAssociation Use the AWS::AppStream::StackFleetAssociation resource to associate a fleet with a stack for Amazon AppStream 2.0. AWS::AppStream::StackUserAssociation Use the AWS::AppStream::StackUserAssociation resource to associate the specified stacks with the specified users for Amazon AppStream 2.0. Users in a user pool cannot be assigned to stacks with fleets that are joined to an Active Directory domain. AWS::AppStream::User Use the AWS::AppStream::User resource to create a new user in the user pool for Amazon AppStream 2.0.	October 25, 2018
Updated resource	Updated the following resources: AWS::AmazonMQ::Broker, AWS::GuardDuty::Detector, and AWS::SSM::PatchBaseline. AWS::AmazonMQ::Broker Amazon MQ now supports engine versions 5.15.6 and 5.15.0. Property changes include: The EngineVersion property now requires some interruptions upon update. The AutoMinorVersionUpgrade property now requires no interruption upon update. AWS::GuardDuty::Detector Use the FindingPublishingFrequency property to specify the frequency of notifications sent about the subsequent finding occurrences. AWS::SSM::PatchBaseline Use the PatchSource property type to provide information about the patches to use to update target instances.	October 18, 2018
New resource	Added the AWS::Events::EventBusPolicy resource. AWS::Events::EventBusPolicy Use the AWS::Events::EventBusPolicy resource to grant permission to other AWS accounts that send events to your account.	October 18, 2018
UseOnlineResharding update policy now available.	To modify a replication group's shards by adding or removing shards, rather than replacing the entire AWS::ElastiCache::ReplicationGroup resource, use the UseOnlineResharding update policy. For more information, see UseOnlineResharding Policy.	September 20, 2018
Updated resources	The following resources have been updated: AWS::ApiGateway::Deployment, AWS::ApiGateway::Method, AWS::ApiGateway::Stage, AWS::ApiGateway::UsagePlan, AWS::CodeBuild::Project, AWS::CodeDeploy::DeploymentGroup, AWS::EC2::FlowLog, AWS::EC2::SpotFleet, AWS::EC2::VPCEndpoint, AWS::ECS::Service, AWS::ECS::TaskDefinition, and AWS::RDS::DBCluster. AWS::ApiGateway::Deployment Use the DeploymentCanarySettings property to specify settings for the canary deployment. In the StageDescription property type: Use the AccessLogSetting property to specify settings for logging access in this stage. Use the CanarySetting property to specify settings for the canary deployment in this stage. AWS::ApiGateway::Method Use the AuthorizationScopes property to specify a list of authorization scopes configured on the method. In the Integration: Use the ConnectionId property to specify the ID of the VpcLink used for the integration when connectionType=VPC_LINK. Use the ConnectionType property to specify the type of the network connection to the integration endpoint. Use the TimeoutInMillis property to specify a custom timeout between 50 and 29,000 milliseconds. AWS::ApiGateway::Stage Use the AccessLogSetting property to specify settings for logging access in this stage. Use the CanarySetting property to specify settings for the canary deployment in this stage. AWS::ApiGateway::UsagePlan In the ApiStage property type, use the Throttle property to specify a map containing method-level throttling information for API stage in a usage plan. AWS::CodeBuild::Project Use the LogsConfig property specify logs for a project. Logs can be CloudWatch Logs, uploaded to a specified S3 bucket, or both. In the LogsConfig property type: Use the CloudWatchLogs property to specify details about CloudWatch Logs. Use the S3Logs property to specify details about logs that are uploaded to an S3 bucket. AWS::CodeDeploy::DeploymentGroup Use the Ec2TagSet property to specify information about groups of tags applied to EC2 instances. The deployment group will include only EC2 instances identified by all the tag groups. Use the OnPremisesInstanceTagSet property to specify information about groups of tags applied to on-premises instances. The deployment group will include only on-premises instances identified by all the tag groups. The DeliverLogsPermissionArn and LogGroupName properties are no longer required. AWS::EC2::FlowLog Use the LogDestination property to specify the destination to which the flow log data is to be published. Use the LogDestinationType property to specify the type of destination to which the flow log data is to be published. Flow log data can be published to CloudWatch Logs or Amazon S3. AWS::EC2::SpotFleet In the SpotFleetRequestConfigData property type, use the InstanceInterruptionBehavior property to specify the behavior when a Spot Instance is interrupted. In the SpotFleetRequestConfigData property type, use the LoadBalancersConfig property to specify one or more Classic Load Balancers and target groups to attach to the Spot Fleet request. Spot Fleet registers the running Spot Instances with the specified Classic Load Balancers and target groups. In the Placement property type, use the Tenancy property to specify the tenancy of the instance (if the instance is running in a VPC). An instance with a tenancy of dedicated runs on single-tenant hardware. The host tenancy is not supported for Spot Instances. AWS::EC2::VPCEndpoint Use the following attributes with the Fn::GetAtt function to return attribute values. Use CreationTimestamp to return the date and time the VPC endpoint was created. Use DnsEntries to return the DNS entries for the endpoint. Use NetworkInterfaceIds to return the network interfaces for the endpoint. AWS::ECS::Service The ServiceRegistries property now requires replacement upon update. Use the SchedulingStrategy property to specify the scheduling strategy to use for the service. In the ServiceRegistry property type: Use the ContainerName property to specify the container name value, already specified in the task definition, to be used for your service discovery service. Use the ContainerPort property to specify the port value, already specified in the task definition, to be used for your service discovery service. AWS::ECS::TaskDefinition In the LinuxParameters property type: Use the Tmpfs property to specify the container path, mount options, and size of the tmpfs mount. Use the SharedMemorySize property to specify the size (in MiB) of the /dev/shm volume. In the Volumes property type, use the DockerVolumeConfiguration property to specify the configuration of a Docker volume. In the ContainerDefinition property type, use the RepositoryCredentials property to specify the repository credentials for private registry authentication. AWS::ElastiCache::ReplicationGroup The NodeGroupConfiguration and NumNodeGroups properties are now conditional for some update operations. In the NodeGroupConfiguration property type, use the NodeGroupId property to specify either the ElastiCache for Redis supplied 4-digit id or a user supplied id for the node group these configuration values apply to. AWS::RDS::DBCluster Use the EngineMode property to specify the DB engine mode of the DB cluster. Use the ScalingConfiguration property to specify the scaling properties of the DB cluster, for DB clusters in serverless DB engine mode.	September 20, 2018
New resources	The following resources were added: AWS::IoT1Click::Device, AWS::IoT1Click::Placement, and AWS::IoT1Click::Project. AWS::IoT1Click::Device Use the AWS::IoT1Click::Device resource to change the enabled state of an AWS IoT 1-Click compatible device. AWS::IoT1Click::Placement Use the AWS::IoT1Click::Placement resource to create an empty AWS IoT 1-Click placement. AWS::IoT1Click::Project Use the AWS::IoT1Click::Project resource to create an empty project with a placement template.	September 20, 2018
New resource	Added the AWS::CloudFormation::Macro resource. AWS::CloudFormation::Macro Use the AWS::CloudFormation::Macro resource to create a template macro to perform custom processing on AWS CloudFormation templates.	September 6, 2018
Macros now available	Use macros to to perform custom processing on templates, from simple actions like find-and-replace operations to extensive transformations of entire templates. See Using AWS CloudFormation Macros to Perform Custom Processing on Templates for more information.	September 6, 2018
Updated resources	Added the Logs property to AWS::AmazonMQ::Broker. Added the SecondaryArtifacts and SecondarySources properties to AWS::CodeBuild::Project. AWS::AmazonMQ::Broker Use the Logs property to enable general or audit logging for an Amazon MQ broker. AWS::CodeBuild::Project In the Artifacts property type, you can use the SecondaryArtifacts property to specify secondary artifacts for a build project. You can use the SecondarySources property to specify secondary inputs for a build project.	August 30, 2018
Updated resources	Added the Configuration property to AWS::Glue::Crawler. Added the JsonClassifier and XMLClassifier properties to AWS::Glue::Classifier. AWS::Glue::Crawler Use the Configuration property to specify crawler configuration information. This versioned JSON string allows users to specify aspects of a crawler's behavior. AWS::Glue::Classifier Use the JsonClassifier property to specify AWS Glue classifier for JSON. Use the XMLClassifier property to specify AWS Glue classifier for XML content.	August 23, 2018
AWS CloudFormation now supports VPC endpoints powered by PrivateLink.	You can use a VPC endpoint to create a private connection between your VPC and AWS CloudFormation without requiring access over the Internet, through a NAT instance, a VPN connection, or AWS Direct Connect. For more information, see Setting Up VPC Endpoints for AWS CloudFormation.	August 22, 2018
Dynamic references support secure strings	Use new dynamic references to specify values that are stored and managed in other services, including Systems Manager Parameter Store SecureString type parameters, in your stack templates. For more information, see Using Dynamic References to Specify Template Values.	August 16, 2018
Updated resources	The following resources were updated: AWS::ApiGateway::DomainName, AWS::CertificateManager::Certificate, AWS::EC2::VPCPeeringConnection, AWS::EFS::FileSystem, AWS::EMR::Cluster, AWS::RDS::DBClusterParameterGroup, AWS::SNS::Subscription, and AWS::SQS::Queue. AWS::ApiGateway::DomainName Use the following attributes with the Fn::GetAtt intrinsic function: The DistributionHostedZoneId attribute returns the region-agnostic Amazon Route 53 Hosted Zone ID of the edge-optimized endpoint. The RegionalDomainName attribute returns the domain name associated with the regional endpoint for this custom domain name. The RegionalHostedZoneId attribute returns the region-specific Amazon Route 53 Hosted Zone ID of the regional endpoint. AWS::CertificateManager::Certificate Use the ValidationMethod property to specify the method you want to use if you are requesting a public certificate to validate that you own or control a domain. AWS::EC2::VPCPeeringConnection Use the PeerRegion property to specify the region code for the accepter VPC, if the accepter VPC is located in a region other than the region in which you make the request. AWS::EFS::FileSystem Use the ProvisionedThroughputInMibps property to specify the throughput, measured in MiB/s, that you want to provision for a file system that you're creating. Use the ThroughputMode property to specify the throughput mode for the file system to be created. AWS::EMR::Cluster Use the KerberosAttributes property to specify attributes for Kerberos configuration when Kerberos authentication is enabled using a security configuration. AWS::RDS::DBClusterParameterGroup The Tags property now requires no interruption to update. AWS::SNS::Subscription Use the DeliveryPolicy property to specify the JSON serialization of the subscription's delivery policy. Use the FilterPolicy property to specify the filter policy JSON that is assigned to the subscription. Use the RawMessageDelivery property to specify if raw message delivery is enabled for the subscription. Use the Region property to specify the region in which the topic resides. AWS::SQS::Queue Use the Tags property to specify the tags that you want to attach to this queue.	August 15, 2018
Updated resource	Added the SSESpecification property to AWS::DAX::Cluster. AWS::DAX::Cluster Use the SSESpecification property to specify the settings to enable server-side encryption.	August 9, 2018
New resource	Added the AWS::EC2::VPCEndpointServicePermissions resource. AWS::EC2::VPCEndpointServicePermissions Grant or revoke permissions for service consumers to connect the VPC endpoint service.	August 9, 2018
Updated resource	Added the OverrideArtifactName property to AWS::CodeBuild::Project. AWS::CodeBuild::Project In the Artifacts property type, set the OverrideArtifactName property to true to override the artifact name with a name specified in the buildspec file. The name specified in a buildspec file is calculated at build time and uses the Shell command language. For example, you can append a date and time to your artifact name so that it is always unique.	August 7, 2018
Updated resource	Added the EncryptionDisabled property to AWS::CodeBuild::Project. AWS::CodeBuild::Project In the Artifacts property type, set the EncryptionDisabled property to true to disable encryption for build output artifacts. This option is only valid if your artifact type is Amazon S3. If this is set to true with another artifact type, an invalidInputException will be thrown.	July 26, 2018
Updated resource	Added the Timeout property to AWS::Batch::JobDefinition. AWS::Batch::JobDefinition Use the Timeout property type to specify a job timeout configuration.	July 19, 2018
New resource	The following resource was added: AWS::IAM::ServiceLinkedRole. AWS::IAM::ServiceLinkedRole Use the AWS::IAM::ServiceLinkedRole resource to create a service-linked role in IAM. A service-linked role is a unique type of IAM role that is linked directly to an AWS service. Service-linked roles are predefined by the service and include all the permissions that the service requires to call other AWS services on your behalf.	July 19, 2018
Updated resources	Added the FieldLevelEncryptionId property to AWS::CloudFront::Distribution property types. AWS::CloudFront::Distribution In the CacheBehavior and DefaultCacheBehavior property types, use the FieldLevelEncryptionId property to specify the ID for the field-level encryption configuration that you want CloudFront to use for encrypting specific fields of data for a cache behavior or for the default cache behavior.	July 18, 2018
Updated resource	Added the HttpConfig property to AWS::AppSync::DataSource. AWS::AppSync::DataSource Use the HttpConfig property type to specify HttpConfig for an AWS AppSync data source.	July 12, 2018
Updated resource	Added the ReportBuildStatus property to AWS::CodeBuild::Project. AWS::CodeBuild::Project In the Source property type, use the ReportBuildStatus property to specify whether to send your source provider the status of a build's start and completion.	July 10, 2018
New resource	The following resource was added: AWS::CodePipeline::Webhook. AWS::CodePipeline::Webhook Use the AWS::CodePipeline::Webhook resource to create a webhook that connects your pipeline to an external event, such as a GitHub source repository change, which triggers your pipeline to start every time the external event occurs.	July 5, 2018
Updated resource	Added the following properties to AWS::EC2::VPCEndpoint: PrivateDnsEnabled, SecurityGroupIds, SubnetIds, and VpcEndpointType. AWS::EC2::VPCEndpoint Use the PrivateDnsEnabled property to indicate whether to associate a private hosted zone with the specified VPC. Use the SecurityGroupIds property to specify the ID of one or more security groups to associate with the endpoint network interface. Use the SubnetIds property to specify the ID of one or more subnets in which to create an endpoint network interface. Use the VpcEndpointType property to specify the type of endpoint.	June 21, 2018
New resources	The following resources were added: AWS::EC2::VPCEndpointConnectionNotification and AWS::EC2::VPCEndpointService. AWS::EC2::VPCEndpointConnectionNotification Use the AWS::EC2::VPCEndpointConnectionNotification resource to create a connection notification for the specified VPC endpoint or VPC endpoint service. AWS::EC2::VPCEndpointService Use the AWS::EC2::VPCEndpointService resource to create a VPC endpoint service configuration to which service consumers (AWS accounts, IAM users, and IAM roles) can connect.	June 21, 2018
Updated resource	Added the following property to AWS::ServiceDiscovery::Service: HealthCheckCustomConfig. AWS::ServiceDiscovery::Service Use the HealthCheckCustomConfig property to specify information about an optional custom health check.	June 14, 2018
New resources	The following new resources were released: AWS::AmazonMQ::Broker and AWS::AmazonMQ::Configuration. AWS::AmazonMQ::Broker Use the AWS::AmazonMQ::Broker resource to create a broker, add configuration changes or modify users for the specified broker, return information about the specified broker, or delete the specified broker. AWS::AmazonMQ::Configuration Use the AWS::AmazonMQ::Configuration resource to create a configuration, update the specified configuration, or return information about the specified configuration.	June 14, 2018
New resource	The following resource was added: AWS::SSM::ResourceDataSync. AWS::SSM::ResourceDataSync Use the AWS::SSM::ResourceDataSync resource to create or delete a Resource Data Sync for Systems Manager Inventory. You can use Resource Data Sync to send Inventory data collected from all of your Systems Manager managed instances to a single Amazon S3 bucket.	June 11, 2018
New resource	The following resource was released: AWS::EKS::Cluster. AWS::EKS::Cluster Use the AWS::EKS::Cluster resource to create Amazon EKS clusters.	June 5, 2018
Updated resource	For the AWS::GuardDuty::Master resource, the InvitationId property is now optional. AWS::GuardDuty::Master The InvitationId property is now optional.	May 31, 2018
New resources	The following new resources were released: AWS::SageMaker::Endpoint, AWS::SageMaker::EndpointConfig, AWS::SageMaker::Model, AWS::SageMaker::NotebookInstance, and AWS::SageMaker::NotebookInstanceLifecycleConfig. AWS::SageMaker::Endpoint Use the AWS::SageMaker::Endpoint resource to create a SageMaker endpoint to host trained models. AWS::SageMaker::EndpointConfig Use the AWS::SageMaker::EndpointConfig resource to create a configuration for an endpoint. AWS::SageMaker::Model Use the AWS::SageMaker::Model resource to create a model to host at an Amazon SageMaker endpoint. AWS::SageMaker::NotebookInstance Use the AWS::SageMaker::NotebookInstance resource to create an Amazon SageMaker notebook instance.