4.0.96.0

4.0.96.0 (2025-09-22 18:22 UTC)

• Batch (4.0.2.11)
  • Starting in JAN 2026, AWS Batch will change the default AMI for new Amazon ECS compute environments from Amazon Linux 2 to Amazon Linux 2023. We recommend migrating AWS Batch Amazon ECS compute environments to Amazon Linux 2023 to maintain optimal performance and security.
• EKS (4.0.6.0)
  • Adds support for RepairConfig overrides and configurations in EKS Managed Node Groups.
• Imagebuilder (4.0.2.0)
  • Version ARNs are no longer required for the EC2 Image Builder list-image-build-version, list-component-build-version, and list-workflow-build-version APIs. Calling these APIs without the ARN returns all build versions for the given resource type in the requesting account.
• S3 (4.0.7.3)
  • Fixed a bug where PutObject was failing when sending zero-byte InputStream with DisablePayloadSigning set to true.

3.7.1128.0

3.7.1128.0 (2025-09-22 18:22 UTC)

• Batch (3.7.500.25)
  • Starting in JAN 2026, AWS Batch will change the default AMI for new Amazon ECS compute environments from Amazon Linux 2 to Amazon Linux 2023. We recommend migrating AWS Batch Amazon ECS compute environments to Amazon Linux 2023 to maintain optimal performance and security.
• EKS (3.7.504.0)
  • Adds support for RepairConfig overrides and configurations in EKS Managed Node Groups.
• Imagebuilder (3.7.502.0)
  • Version ARNs are no longer required for the EC2 Image Builder list-image-build-version, list-component-build-version, and list-workflow-build-version APIs. Calling these APIs without the ARN returns all build versions for the given resource type in the requesting account.
• S3 (3.7.501.7)
  • Fixed a bug where PutObject was failing when sending zero-byte InputStream with DisablePayloadSigning set to true.
• Core 3.7.500.22
  • Updating endpoints.json file.
  • All services packages updated to require new Core

4.0.95.0

4.0.95.0 (2025-09-19 18:45 UTC)

• BedrockAgentCoreControl (4.0.2.0)
  • Add tagging and VPC support to AgentCore Runtime, Code Interpreter, and Browser resources. Add support for configuring request headers in Runtime. Fix AgentCore Runtime shape names.
• ConfigService (4.0.3.0)
  • Add UNKNOWN state to RemediationExecutionState and add IN_PROGRESS/EXITED/UNKNOWN states to RemediationExecutionStepState.
• Connect (4.0.11.0)
  • This release adds a persistent connection field to UserPhoneConfig that maintains agent's softphone media connection for faster call connections.
• KendraRanking (4.0.0.23)
  • Model whitespace change - no client difference
• LicenseManagerUserSubscriptions (4.0.2.0)
  • Added support for cross-account Active Directories.
• MediaLive (4.0.6.0)
  • Add MinBitrate for QVBR mode under H264/H265/AV1 output codec. Add GopBReference, GopNumBFrames, SubGopLength fields under H265 output codec.
• SQS (4.0.1.4)
  • Update invalid character handling documentation for SQS SendMessage API

3.7.1127.0

3.7.1127.0 (2025-09-19 18:43 UTC)

• BedrockAgentCoreControl (3.7.502.0)
  • Add tagging and VPC support to AgentCore Runtime, Code Interpreter, and Browser resources. Add support for configuring request headers in Runtime. Fix AgentCore Runtime shape names.
• ConfigService (3.7.502.0)
  • Add UNKNOWN state to RemediationExecutionState and add IN_PROGRESS/EXITED/UNKNOWN states to RemediationExecutionStepState.
• Connect (3.7.507.0)
  • This release adds a persistent connection field to UserPhoneConfig that maintains agent's softphone media connection for faster call connections.
• KendraRanking (3.7.500.21)
  • Model whitespace change - no client difference
• LicenseManagerUserSubscriptions (3.7.502.0)
  • Added support for cross-account Active Directories.
• MediaLive (3.7.504.0)
  • Add MinBitrate for QVBR mode under H264/H265/AV1 output codec. Add GopBReference, GopNumBFrames, SubGopLength fields under H265 output codec.
• SQS (3.7.501.12)
  • Update invalid character handling documentation for SQS SendMessage API
• Core 3.7.500.21
  • Updating endpoints.json file.
  • All services packages updated to require new Core

4.0.94.0

4.0.94.0 (2025-09-18 18:27 UTC)

• Bedrock (4.0.11.0)
  • Release includes an increase to the maximum policy build document size, an update to DeleteAutomatedReasoningPolicyBuildWorkflow to add ResourceInUseException, and corrections to UpdateAutomatedReasoningPolicyTestCaseRequest.
• Budgets (4.0.5.0)
  • Added BillingViewHealthStatus Exception which is thrown when a Budget is created or updated with a Billing View that is not in the HEALTHY status
• ChimeSDKMessaging (4.0.1.0)
  • Amazon Chime SDK Messaging GetMessagingSessionEndpoint API now returns dual-stack WebSocket endpoints supporting IPv4/IPv6.
• EC2 (4.0.39.0)
  • Allowed AMIs adds support for four new parameters - marketplaceProductCodes, deprecationTimeCondition, creationDateCondition and imageNames

3.7.1126.0

3.7.1126.0 (2025-09-18 18:38 UTC)

• Bedrock (3.7.503.0)
  • Release includes an increase to the maximum policy build document size, an update to DeleteAutomatedReasoningPolicyBuildWorkflow to add ResourceInUseException, and corrections to UpdateAutomatedReasoningPolicyTestCaseRequest.
• Budgets (3.7.504.0)
  • Added BillingViewHealthStatus Exception which is thrown when a Budget is created or updated with a Billing View that is not in the HEALTHY status
• ChimeSDKMessaging (3.7.501.0)
  • Amazon Chime SDK Messaging GetMessagingSessionEndpoint API now returns dual-stack WebSocket endpoints supporting IPv4/IPv6.
• EC2 (3.7.513.0)
  • Allowed AMIs adds support for four new parameters - marketplaceProductCodes, deprecationTimeCondition, creationDateCondition and imageNames

4.0.93.0

4.0.93.0 (2025-09-17 18:36 UTC)

• EC2 (4.0.38.0)
  • Add mac-m4.metal and mac-m4pro.metal instance types.
• NetworkFirewall (4.0.6.0)
  • Network Firewall now prevents TLS handshakes with the target server until after the Server Name Indication (SNI) has been seen and verified. The monitoring dashboard now provides deeper insights into PrivateLink endpoint candidates and offers filters based on IP addresses and protocol.
• PCS (4.0.8.0)
  • Add support for Amazon EC2 Capacity Blocks for ML

3.7.1125.0

3.7.1125.0 (2025-09-17 18:38 UTC)

• EC2 (3.7.512.0)
  • Add mac-m4.metal and mac-m4pro.metal instance types.
• NetworkFirewall (3.7.502.0)
  • Network Firewall now prevents TLS handshakes with the target server until after the Server Name Indication (SNI) has been seen and verified. The monitoring dashboard now provides deeper insights into PrivateLink endpoint candidates and offers filters based on IP addresses and protocol.
• PCS (3.7.504.0)
  • Add support for Amazon EC2 Capacity Blocks for ML

4.0.92.0

4.0.92.0 (2025-09-16 18:29 UTC)

• Budgets (4.0.4.0)
  • Add support for custom time periods in budget configuration
• CloudWatchLogs (4.0.8.0)
  • Cloudwatch Logs added support for 2 new API parameters in metric and subscription filter APIs to filter log events based on system field values and emit system field values as dimensions and send them to customer destination as additional metadata.
• IVSRealTime (4.0.3.0)
  • IVS now offers customers the ability to control the positioning of participants in both grid and PiP layouts based on custom attribute values in participant tokens.
• OSIS (4.0.3.0)
  • Adds support for cross-account ingestion for push-based sources. This includes resource policies for sharing pipelines across accounts and features for managing pipeline endpoints which enable accessing pipelines across different VPCs, including VPCs in other accounts.
• Core 4.0.0.28
  • Fix: Update SSO credential profile type to include smaller subset of CredentialProfileOptions for token auth services which do not use accountId or SsoRoleName.
  • All services packages updated to require new Core

3.7.1124.0

3.7.1124.0 (2025-09-16 18:30 UTC)

• Budgets (3.7.503.0)
  • Add support for custom time periods in budget configuration
• CloudWatchLogs (3.7.501.0)
  • Cloudwatch Logs added support for 2 new API parameters in metric and subscription filter APIs to filter log events based on system field values and emit system field values as dimensions and send them to customer destination as additional metadata.
• IVSRealTime (3.7.502.0)
  • IVS now offers customers the ability to control the positioning of participants in both grid and PiP layouts based on custom attribute values in participant tokens.
• OSIS (3.7.502.0)
  • Adds support for cross-account ingestion for push-based sources. This includes resource policies for sharing pipelines across accounts and features for managing pipeline endpoints which enable accessing pipelines across different VPCs, including VPCs in other accounts.
• Core 3.7.500.20
  • Updating endpoints.json file.
  • All services packages updated to require new Core