## New Resource Types
* AWS::DocDB::DBCluster
* AWS::DocDB::DBClusterParameterGroup
* AWS::DocDB::DBInstance
* AWS::DocDB::DBSubnetGroup
* AWS::Lambda::LayerVersion
* AWS::Lambda::LayerVersionPermission
* AWS::OpsWorksCM::Server
* AWS::Route53Resolver::ResolverRuleAssociation
## Attribute Changes
* AWS::Route53Resolver::ResolverRule Name (__added__)
## Property Changes
* AWS::AmazonMQ::Broker Tags (__added__)
* AWS::AmazonMQ::Configuration Tags (__added__)
* AWS::ApiGateway::ApiKey Value (__added__)
* AWS::DMS::Endpoint ElasticsearchSettings (__added__)
* AWS::DMS::Endpoint KinesisSettings (__added__)
* AWS::EC2::EC2Fleet ValidFrom.PrimitiveType (__changed__)
* Old: Integer
* New: String
* AWS::EC2::EC2Fleet ValidUntil.PrimitiveType (__changed__)
* Old: Integer
* New: String
* AWS::ECS::Cluster Tags (__added__)
* AWS::ECS::Service Tags (__added__)
* AWS::ECS::TaskDefinition Tags (__added__)
* AWS::Elasticsearch::Domain NodeToNodeEncryptionOptions (__added__)
* AWS::Inspector::AssessmentTarget ResourceGroupArn.Required (__changed__)
* Old: true
* New: false
* AWS::RDS::DBCluster SourceRegion (__added__)
* AWS::RDS::DBInstance UseDefaultProcessorFeatures (__added__)
* AWS::ServiceCatalog::CloudFormationProvisionedProduct ProductId.UpdateType (__changed__)
* Old: Immutable
* New: Mutable
* AWS::ServiceCatalog::CloudFormationProvisionedProduct ProductName.UpdateType (__changed__)
* Old: Immutable
* New: Mutable
* AWS::ServiceDiscovery::Service HealthCheckCustomConfig.UpdateType (__changed__)
* Old: Mutable
* New: Immutable
## Property Type Changes
* AWS::AmazonMQ::Broker.TagsEntry (__added__)
* AWS::AmazonMQ::Configuration.TagsEntry (__added__)
* AWS::CodeBuild::Project.RegistryCredential (__added__)
* AWS::DMS::Endpoint.ElasticsearchSettings (__added__)
* AWS::DMS::Endpoint.KinesisSettings (__added__)
* AWS::Elasticsearch::Domain.NodeToNodeEncryptionOptions (__added__)
* AWS::CodeBuild::Project.Environment ImagePullCredentialsType (__added__)
* AWS::CodeBuild::Project.Environment RegistryCredential (__added__)
* Tag Key.Documentation (__changed__)
* Old: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-resource-tags.html#cfn-resource-tags-key
* New: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-dms-endpoint-tag.html#cfn-dms-endpoint-tag-key
* Tag Key.Required (__changed__)
* Old: true
* New: false
* Tag Value.Documentation (__changed__)
* Old: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-resource-tags.html#cfn-resource-tags-value
* New: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-dms-endpoint-tag.html#cfn-dms-endpoint-tag-value
* Tag Value.Required (__changed__)
* Old: true
* New: false