Troposphere

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* Add support for AWS::Neptune
* Add support for AWS::EKS
* Add support for AWS::AmazonMQ
* Add support for AWS::SageMaker
* Fix use of to_yaml long_form parameter (1055)
* Adding CENTOS to validators.operating_system (1058)
* Update constants with additional EC2 instances (1059)
* Fix casing of CreditSpecification CpuCredits (1068)
* Add 'Name' property for AWS::Serverless::Api (1070)
* Add equality methods to Template (1072)
* AWS PrivateLink support (1084)
* Add return value to template.add_condition() (1087)
* Add tests for to_yaml parameters
* Use endpoint_type for vpc_endpoint_type param instead of type
* Add resource EC2::VPCEndpointConnectionNotification
* Add resource SSM::ResourceDataSync

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* Allow Refs to be hashable using their data (1053)
* Add AWS::Budgets
* Add new AWS::ServiceCatalog resources
* Add Policy to ApiGateway::RestApi
* Add ServiceLinkedRoleARN to AutoScaling::AutoScalingGroup
* Add LaunchConfigurationName to AutoScaling::LaunchConfiguration
* Add Edition to DirectoryService::MicrosoftAD
* Add PointInTimeRecoverySpecification to DynamoDB::Table
* Add ServiceRegistries to ECS::Service
* Add HealthCheck to ECS::TaskDefinition ContainerDefinition
* Add EncryptionAtRestOptions to Elasticsearch::Domain
* Add MaxSessionDuration ti IAM::Role
* Add SplunkDestinationConfiguration to KinesisFirehose::DeliveryStream
* StartingPosition is no longer required in Lambda::EventSourceMapping
* Add DefaultValue to Logs::MetricFilter MetricTransformation
* Add OutputLocation to SSM::Association
* Add AutoScaling and EC2 LaunchTemplate support (1038)
* Add LaunchTemplate to EC2::Instance
* Adding ECS Container Healthchecks tests (1024)
* Rename ActionTypeID to ActionTypeId in CodePipeline

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* Allow up to 50:1 ratio for iops and allocated storage
* Correct Spot Fleet TagSpecifications (1010)
* Change GetCidr to Cidr (Fixes 1013)
* Add missing OpsWorks::Instance properties (Fixes 1014)
* Adding SUSE to list of operating systems for SSM (1015)
* Updates for latest pycodestyle warnings
* Add AWS::AppSync
* Add AWS::ServiceCatalog
* Special case Tags support in gen.py
* Add constants for EC2 C5 instance types (1025)
* Update guardduty.py (1037)
* Add OpenIdConnectConfig to AppSync::GraphQLApi
* Update AWS Config features (updates 1022)
* Updated appsync apikey expires to be an int. (1040)
* Fix AutoScalingRole in EMR: Fixes 984 (1036)
* Rename SES Template to EmailTemplate (1047)
* Add GuardDuty::Filter
* Remove python 3.3 support since it's EOL (1049)
* Corrected the description of NatGateway (1005)
* Update deprecated modules (1007)
* Updared CodeBuild Source Options (1017)
* Allow Ref's to test equality against their data (1048)
* Update to cfn*flip 1.0.2 (1003)
* Eliminate infinite loop when pickle loads BaseAWSObject and objects derived from it. (1016)
* Allow multiple NoValue properties in mutually_exclusive (1050)

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* type is not required for EnvironmentVariable (975)
* Properly handle list objects used with DependsOn (Fixes 982)
* Explicitly convert allocated_storage to integer before using it in comparisons (983)
* Allow CreationPolicy override of props on WaitCondition (988)
* "JobDefinitionName" property in JobDefinition class is not required (995)
* ApiGateway::DomainName CertificateArn fix (996)
* Tags support for SSM documents 999 (1000)
* Add SSESpecification to DynamoDB::Table (981)
* Add GitCloneDepth and InsecureSsl to CodeBuild Source
* Add Trippers property to CodeBuild::Project
* Add aurora*mysql to list of valid RDS engines
* Batch ContainerProperties is required
* Add Regions to Route53 HealthCheckConfiguration
* Add ClusterIdentifier to Redshift::Cluster
* Add DBClusterIdentifier to RDS::DBCluster
* Add TagSpecification to EC2::SpotFleet LaunchSpecifcations
* Add DisableScaleIn to ApplicationAutoScaling
* Add ApiKeySourceType and MinimumCompressionSize to ApiGateway::RestApi
* Add AutoScalingGroupName to AutoScaling::AutoScalingGroup
* Add AWS::ApiGateway::VpcLink
* Add AWS::GuardDuty::Master and AWS::GuardDuty::Member
* Add AWS::SES
* Add GetCidr function for Fn::GetCidr

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* Add AWS::Inspector
* Add AWS::ServiceDiscovery
* Add InputProcessingConfiguration to KinesisAnalytics::Application
* EndpointConfiguration in ApiGateway::DomainName is not required
* Allow setting Subnets and SubnetMappings properties on ELBv2 LoadBalancers (934)
* increase lambda memory limit to support up to 3008 MB (936)
* Stop validation if CodeBuild Source Type is a Ref (940)
* Added support for AutoPublishAlias to AWS::Serverless::Function as specified https://github.com/awslabs/serverless*application*model/blob/master/versions/2016*10*31.md (#941)
* Add resource_type value and unit tests for guardduty AWSObject's (945)
* Added elasticsearch instance types for m4, c4 and r4 generations (948)
* Correct type in API Gateway GatewayResponse type (950)
* Fixes the lifecyclepolicy problem reported at Issue 953 (954)
* Add constants for EC2 M5 instance types (955)
* Adding support for Block Device Mapping V2 (960)
* Add support for Policy Document in SAM template. (961)
* Stab at documenting Troposphere basics (963)
* Adding HealthCheckGracePeriodSeconds into ECS Service (966)
* Add AllowedPattern to Parameter (968)
* Add long form parameter to to_yaml (972)
* Use S3.Filter for the serverless S3Event Filter property
* Remove erroneous print in tests/test_serverless.py
* Add FunctionForPackaging class to serverless
* Add AssociationName to AWS::SSM::Association
* Update S3::Bucket with 20180123 property changes
* Add DBSubnetGroupName to AWS::RDS::DBSubnetGroup
* Add ReservedConcurrentExecutions to AWS:Lambda:Function
* Add StreamEncryption to AWS::Kinesis::Stream
* Add LambdaOutput to KinesisAnalytics ApplicationOutput property
* Update required fields in IoT TopicRule DynamoDBAction
* Add validator for InstanceTenancy in EC2::VPC
* Add CreditSpecification and ElasticGpuSpecifications to EC2::Instance

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* In SpotFleet::SpotFleetRequestConfigData SpotPrice is optional
* Add RoutingConfig to AWS::Lambda::Alias
* Update AWS::CodeDeploy
* Add CodeDeployLambdaAliasUpdate to UpdatePolicy
* Add AWS::GuardDuty
* Add AWS::Cloud9
* Add initial python resource spec generator
* Update AWS::CodeBuild::Project to 20171201 changes
* Change AWS::Batch::ComputeResources.Tags type to dict (867)
* Update README for YAML template (925)
* Typo fix in examples/ElastiCacheRedis.py (926)
* Adds Fargate support to ECS types (929)
* Fix SSM NotificationConfig validator type (930)
* Fix SQS::Queue validation in the case of no QueueName specified (931)