Version 252.0.0

Issued 2026-06-12

cfn.fyi compares each version of the AWS CloudFormation resource specification with the version before it. See new resource types and changed properties as AWS releases them.

added
modified
removed

01Added resource types6

addedAWS::AWSExternalAnthropic::Workspacedocs ↗#Link to AWS::AWSExternalAnthropic::Workspace

 Type: AWS::AWSExternalAnthropic::Workspace Properties:   DataResidency:     DefaultInferenceGeo: String     AllowedInferenceGeos:       - String     WorkspaceGeo: String   Tags:     - Value: String       Key: String   Name: String Fn::GetAtt:   CreatedAt: String   Id: String   Arn: String

addedAWS::BCM::Dashboarddocs ↗#Link to AWS::BCM::Dashboard

 Type: AWS::BCM::Dashboard Properties:   Description: String   Widgets:     - Description: String       Configs:         - QueryParameters:             SavingsPlansUtilization:               TimeRange:                 EndTime:                   Value: String                   Type: String                 StartTime:  # DateTimeValue: see above               Filter:                 Dimensions:                   Values:                     - String                   Key: String                   MatchOptions:                     - String                 Not:  # Expression: see above                 CostCategories:                   Values:                     - String                   Key: String                   MatchOptions:                     - String                 And:  # Expression: see above                 Tags:                   Values:                     - String                   Key: String                   MatchOptions:                     - String               Granularity: String             ReservationCoverage:               TimeRange:  # DateTimeRange: see above               Metrics:                 - String               GroupBy:                 - Type: String                   Key: String               Filter:  # Expression: see above               Granularity: String             SavingsPlansCoverage:               TimeRange:  # DateTimeRange: see above               Metrics:                 - String               GroupBy:  # GroupDefinition: see above               Filter:  # Expression: see above               Granularity: String             ReservationUtilization:               TimeRange:  # DateTimeRange: see above               GroupBy:  # GroupDefinition: see above               Filter:  # Expression: see above               Granularity: String             CostAndUsage:               TimeRange:  # DateTimeRange: see above               Metrics:                 - String               GroupBy:  # GroupDefinition: see above               Filter:                 Dimensions:  # DimensionValues: see above                 Not:  # CostAndUsageExpression: see above                 CostCategories:  # CostCategoryValues: see above                 Or:  # CostAndUsageExpression: see above                 And:  # CostAndUsageExpression: see above                 Tags:  # TagValues: see above               Granularity: String           DisplayConfig:             Graph:               <key>:                 VisualType: String             Table: Json       Title: String       Height: Integer       HorizontalOffset: Integer       Width: Integer   Tags:     - Value: String       Key: String   Name: String Fn::GetAtt:   Type: String   CreatedAt: String   Arn: String   UpdatedAt: String

addedAWS::BedrockAgentCore::PaymentManagerdocs ↗#Link to AWS::BedrockAgentCore::PaymentManager

 Type: AWS::BedrockAgentCore::PaymentManager Properties:   Description: String   AuthorizerType: String   RoleArn: String   Tags:     - Value: String       Key: String   Name: String   AuthorizerConfiguration:     CustomJWTAuthorizer:       DiscoveryUrl: String       AllowedAudience:         - String       CustomClaims:         - AuthorizingClaimMatchValue:             ClaimMatchValue:               MatchValueString: String               MatchValueStringList:                 - String             ClaimMatchOperator: String           InboundTokenClaimName: String           InboundTokenClaimValueType: String       AllowedClients:         - String       AllowedScopes:         - String Fn::GetAtt:   Status: String   LastUpdatedAt: String   PaymentManagerArn: String   CreatedAt: String   WorkloadIdentityDetails.WorkloadIdentityArn: String   PaymentManagerId: String   WorkloadIdentityDetails:     WorkloadIdentityArn: String

addedAWS::ResilienceHubV2::ServiceFunctiondocs ↗#Link to AWS::ResilienceHubV2::ServiceFunction

 Type: AWS::ResilienceHubV2::ServiceFunction Properties:   Description: String   ServiceArn: String   Name: String   Criticality: String Fn::GetAtt:   ServiceFunctionId: String   ResourceCount: Integer   CreatedAt: String   UpdatedAt: String   Source: String

addedAWS::ResilienceHubV2::UserJourneydocs ↗#Link to AWS::ResilienceHubV2::UserJourney

 Type: AWS::ResilienceHubV2::UserJourney Properties:   Description: String   PolicyArn: String   SystemIdentifier: String   Name: String Fn::GetAtt:   UserJourneyId: String   CreatedAt: String   UpdatedAt: String

addedAWS::SageMaker::MlflowAppdocs ↗#Link to AWS::SageMaker::MlflowApp

 Type: AWS::SageMaker::MlflowApp Properties:   WeeklyMaintenanceWindowStart: String   ArtifactStoreUri: String   RoleArn: String   ModelRegistrationMode: String   Tags:     - Value: String       Key: String   Name: String Fn::GetAtt:   Status: String   MlflowVersion: String   CreationTime: String   LastModifiedTime: String   MlflowAppId: String   Arn: String

02Modified resource types18

modifiedAWS::AppStream::Stackhistory docs ↗#Link to AWS::AppStream::Stack

 Type: AWS::AppStream::Stack Properties:+added:   ContentRedirection:+added:     HostToClient:+added:       Enabled: Boolean+added:       AllowedUrls:+added:         - String+added:       DeniedUrls:+added:         - String

modifiedAWS::AppStream::StackFleetAssociationhistory docs ↗#Link to AWS::AppStream::StackFleetAssociation

 Type: AWS::AppStream::StackFleetAssociation Properties:   # Update requires: No interruption → Replacement~modified:   FleetName: String   # Update requires: No interruption → Replacement~modified:   StackName: String

modifiedAWS::APS::Workspacehistory docs ↗#Link to AWS::APS::Workspace

 Type: AWS::APS::Workspace Properties:   WorkspaceConfiguration:+added:     OutOfOrderTimeWindowInSeconds: Integer+added:     RuleQueryOffsetInSeconds: Integer

modifiedAWS::ARCRegionSwitch::Planhistory docs ↗#Link to AWS::ARCRegionSwitch::Plan

 Type: AWS::ARCRegionSwitch::Plan Properties:   Workflows:     - Steps:         - ExecutionBlockConfiguration:+added:             AuroraProvisionedScalingConfig:+added:               InstanceArns:+added:                 <key>: String+added:               TimeoutMinutes: Double+added:               RegionDatabaseClusterArns:+added:                 <key>: String+added:               ExternalId: String+added:               CrossAccountRole: String+added:               GlobalClusterIdentifier: String+added:             AuroraServerlessScalingConfig:+added:               TimeoutMinutes: Double+added:               RegionDatabaseClusterArns:+added:                 <key>: String+added:               ExternalId: String+added:               CrossAccountRole: String+added:               GlobalClusterIdentifier: String+added:               TargetPercent: Double+added:             NeptuneGlobalDatabaseConfig:+added:               TimeoutMinutes: Double+added:               RegionDatabaseClusterArns:+added:                 <key>: String+added:               ExternalId: String+added:               Behavior: Json+added:               CrossAccountRole: String+added:               Ungraceful:+added:                 Ungraceful: String+added:               GlobalClusterIdentifier: String             ParallelConfig:               Steps:  # Step: see above

modifiedAWS::BedrockAgentCore::Gatewayhistory docs ↗#Link to AWS::BedrockAgentCore::Gateway

 Type: AWS::BedrockAgentCore::Gateway Properties:   ProtocolConfiguration:     Mcp:+added:       SessionConfiguration:+added:         SessionTimeoutInSeconds: Integer+added:       StreamingConfiguration:+added:         EnableResponseStreaming: Boolean

modifiedAWS::BedrockAgentCore::GatewayTargethistory docs ↗#Link to AWS::BedrockAgentCore::GatewayTarget

 Type: AWS::BedrockAgentCore::GatewayTarget Properties:   TargetConfiguration:     Mcp:       McpServer:+added:         ResourcePriority: Integer

modifiedAWS::Connect::ContactFlowModulehistory docs ↗#Link to AWS::Connect::ContactFlowModule

 Type: AWS::Connect::ContactFlowModule Properties:   ExternalInvocationConfiguration:     # Required: Yes → No~modified:     Enabled: Boolean

modifiedAWS::Connect::IntegrationAssociationhistory docs ↗#Link to AWS::Connect::IntegrationAssociation

 Type: AWS::Connect::IntegrationAssociation Properties:+added:   Tags:+added:     - Value: String+added:       Key: String

modifiedAWS::Deadline::Fleethistory docs ↗#Link to AWS::Deadline::Fleet

 Type: AWS::Deadline::Fleet Properties:   Configuration:     ServiceManagedEc2:+added:       PersistentVolumeConfiguration:+added:         MountPath: String+added:         SizeGiB: Integer+added:         ThroughputMiB: Integer+added:         Iops: Integer+added:         LastUsedTtlHours: Integer

modifiedAWS::EKS::Clusterhistory docs ↗#Link to AWS::EKS::Cluster

 Type: AWS::EKS::Cluster Properties:   OutpostConfig:     ControlPlanePlacement:+added:       SpreadLevel: String+added:     EtcdInstanceType: String+added:     EtcdPlacement:+added:       SpreadLevel: String

modifiedAWS::Logs::DeliverySourcehistory docs ↗#Link to AWS::Logs::DeliverySource

 Type: AWS::Logs::DeliverySource Properties:+added:   DeliverySourceConfiguration:+added:     <key>: String Fn::GetAtt:+added:   Status: String+added:   StatusReason: String

modifiedAWS::MediaConnect::FlowOutputhistory docs ↗#Link to AWS::MediaConnect::FlowOutput

 Type: AWS::MediaConnect::FlowOutput Properties:+added:   NdiOutputTimecodeSource: String

modifiedAWS::Neptune::DBClusterhistory docs ↗#Link to AWS::Neptune::DBCluster

 Type: AWS::Neptune::DBCluster Properties:+added:   GlobalClusterIdentifier: String+added:   NetworkType: String

modifiedAWS::ObservabilityAdmin::TelemetryEnrichmenthistory docs ↗#Link to AWS::ObservabilityAdmin::TelemetryEnrichment

 Type: AWS::ObservabilityAdmin::TelemetryEnrichment Properties:   # Required: No → Yes~modified:   Scope: String

modifiedAWS::OpenSearchServerless::CollectionGrouphistory docs ↗#Link to AWS::OpenSearchServerless::CollectionGroup

 Type: AWS::OpenSearchServerless::CollectionGroup Properties:+added:   Generation: String

modifiedAWS::SageMaker::Clusterhistory docs ↗#Link to AWS::SageMaker::Cluster

 Type: AWS::SageMaker::Cluster Properties:   InstanceGroups:+added:     - InstanceRequirements:+added:         InstanceTypes:+added:           - String       # Required: Yes → No~modified:       InstanceType: String+added:       NetworkInterface:+added:         InterfaceType: String

modifiedAWS::VerifiedPermissions::Policyhistory docs ↗#Link to AWS::VerifiedPermissions::Policy

 Type: AWS::VerifiedPermissions::Policy Properties:+added:   Name: String

modifiedAWS::VerifiedPermissions::PolicyTemplatehistory docs ↗#Link to AWS::VerifiedPermissions::PolicyTemplate

 Type: AWS::VerifiedPermissions::PolicyTemplate Properties:+added:   Name: String