@aws-sdk/middleware-flexible-checksums changelog and release notes | npm

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3.974.016 Mar 2026Deprecated

client-marketplace-metering: Customer Identifier parameter deprecation date has been removed. For new implementations, we recommend using the Customer…

3.974.0(2026-01-22)

Chores

codegen:
- add new pkg folder to sdkVersions.properties (#7675) (766beed1)
- sync for http label validation (#7671) (8536efc9)
packages: move package folders for internal pkgs (#7670) (ce66606d)

Documentation Changes

client-marketplace-metering: Customer Identifier parameter deprecation date has been removed. For new implementations, we recommend using the CustomerAWSAccountID. Your current integration will continue to work. When updating your implementation, consider migrating to CustomerAWSAccountID for improved integration. (fa72d80d)
client-verifiedpermissions: Adding documentation to user guide and API documentation for how customers can create new encrypted policy stores by passing in their customer managed key during policy store creation. (6dac27bb)

New Features

clients: update client endpoints as of 2026-01-22 (a8b7e9d8)
client-gamelift: Amazon GameLift Servers Realtime now supports Node.js 24.x runtime on the Amazon Linux 2023 operating system. (fa6e74c6)
client-guardduty: Adding new enum value for ScanStatusReason (a12c8c68)
client-ec2: Add better support for fractional GPU instances in DescribeInstanceTypes API. The new fields, logicalGpuCount, gpuPartitionSize, and workload array enable better GPU resource selection and filtering for both full and fractional GPU instance types. (72b8a1cc)
client-health: Updates the lower range for the maxResults request property for DescribeAffectedEntities, DescribeAffectedEntitiesForOrganization, DescribeEvents, and DescribeEventsForOrganization API request properties. (202b860d)
client-budgets: Add Budget FilterExpression and Metrics fields to DescribeBudgetPerformanceHistory to support more granular filtering options. (5b7d3217)
client-auto-scaling: This release adds support for Amazon EC2 Auto Scaling group deletion protection (ce97b637)
client-dynamodb: Adds additional waiters to Amazon DynamoDB. (55f5f7fd)
packages: support open version ranges for internal packages - move core & types (#7674) (a3cdc641)
config: create config package (#7667) (943761cd)

For list of updated packages, view updated-packages.md in assets-3.974.0.zip

Open source →

Additional notes

Features

client-auto-scaling: This release adds support for Amazon EC2 Auto Scaling group deletion protection (ce97b63)
client-budgets: Add Budget FilterExpression and Metrics fields to DescribeBudgetPerformanceHistory to support more granular filtering options. (5b7d321)
client-dynamodb: Adds additional waiters to Amazon DynamoDB. (55f5f7f)
client-ec2: Add better support for fractional GPU instances in DescribeInstanceTypes API. The new fields, logicalGpuCount, gpuPartitionSize, and workload array enable better GPU resource selection and filtering for both full and fractional GPU instance types. (72b8a1c)
client-gamelift: Amazon GameLift Servers Realtime now supports Node.js 24.x runtime on the Amazon Linux 2023 operating system. (fa6e74c)
client-guardduty: Adding new enum value for ScanStatusReason (a12c8c6)
client-health: Updates the lower range for the maxResults request property for DescribeAffectedEntities, DescribeAffectedEntitiesForOrganization, DescribeEvents, and DescribeEventsForOrganization API request properties. (202b860)
clients: update client endpoints as of 2026-01-22 (a8b7e9d)
config: create config package (#7667) (943761c)
packages: support open version ranges for internal packages - move core & types (#7674) (a3cdc64)

Additional notes

Features

middleware-flexible-checksums: allow custom checksums to be used in responses (#7849) (213defa)

Open source →