Sourced from aws-cdk-lib's releases.

v2.231.0

Features

• lambda: support for capacity providers (#36255) (2e4c1cf)
• update L1 CloudFormation resource definitions (#36253) (8410b13)
• aws-cdk-lib: add arnFor<ResourceName> for 47 more resources (#36231) (5a8be4f)
• aws-cdk-lib: all L1s now have a isCfn<ResourceName> static helper to check if a value is this L1 resource (#36243) (dc9db9b)
• ec2: expose EC2 instance MetadataOptions (#35369) (4056e14), closes #35357

Bug Fixes

• dynamodb: unsupported actions added to table resource policy (#36228) (10de047), closes #32230

---

Alpha modules (2.231.0-alpha.0)

Features

• glue-alpha: support Glue Version 5.1 (#36223) (b956492)
• imagebuilder-alpha: add support for Image Construct (#36154) (eee3ae6), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789

v2.230.0

Features

• apigateway: support response streaming with response transfer mode (#36155) (f431021), closes #36156
• update L1 CloudFormation resource definitions (f203b8e)
• update L1 CloudFormation resource definitions (#36193) (d074024)
• events: the L2 EventPattern interfaces can be used with CfnRule (#36191) (efc135e)
• update L1 CloudFormation resource definitions (#36180) (5cddd7e)

Bug Fixes

• ecs: wrong ARN generated in Cluster.grantTaskProtection method (#36207) (9b337df)
• ecs-patterns: target group ID changes without setting feature flag (#36199) (b7ca082), closes #36149
• scheduler: wrong ARN generated in ScheduleGroup.grant* methods (#36175) (eae8838)

---

Alpha modules (2.230.0-alpha.0)

Features

• bedrock-agentcore-alpha: update resources on grantInvokeXXX for runtime (#35864) (5dad62f)
• imagebuilder-alpha: add support for Image Pipeline Construct (#36153) (d8c324a), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789
• imagebuilder-alpha: add support for Lifecycle Policy Construct (#36152) (7e31eb6), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789
• mixins-preview: adds LogDelivery Mixins for 47 resources (#36158) (6607ce9)
• mixins-preview: vended log deliveries (#36138) (69442a8)
• mixins-preview: helpers to generate EventBridge event patterns for 26 services (#36121) (073185d)

Bug Fixes

• mixins-preview: AutoDeleteObjects mixin fails with cannot find file error (#36188) (3ef337d), closes aws-cdk/mixins-preview/lib/custom-resource-handlers/aws-s3/auto-delete-objects-provider.ts#L21

... (truncated)

Sourced from aws-cdk-lib's changelog.

Changelog

All notable changes to this project will be documented in this file. See standard-version for commit guidelines.

2.231.0-alpha.0 (2025-12-01)

Features

• glue-alpha: support Glue Version 5.1 (#36223) (b956492)
• imagebuilder-alpha: add support for Image Construct (#36154) (eee3ae6), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789

2.230.0-alpha.0 (2025-11-26)

Features

• bedrock-agentcore-alpha: update resources on grantInvokeXXX for runtime (#35864) (5dad62f)
• imagebuilder-alpha: add support for Image Pipeline Construct (#36153) (d8c324a), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789
• imagebuilder-alpha: add support for Lifecycle Policy Construct (#36152) (7e31eb6), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789
• mixins-preview: adds LogDelivery Mixins for 47 resources (#36158) (6607ce9)
• mixins-preview: vended log deliveries (#36138) (69442a8)
• mixins-preview: helpers to generate EventBridge event patterns for 26 services (#36121) (073185d)

Bug Fixes

• mixins-preview: AutoDeleteObjects mixin fails with cannot find file error (#36188) (3ef337d), closes aws-cdk/mixins-preview/lib/custom-resource-handlers/aws-s3/auto-delete-objects-provider.ts#L21
• mixins-preview: ResourcePolicy with this name already exists error when setting up LogDelivery (#36195) (f9aa31d)
• mixins-preview: cannot use string literal types for S3LogsDeliveryProps.permissionsVersion (#36197) (cc491df)

2.229.1-alpha.0 (2025-11-25)

2.229.0-alpha.0 (2025-11-24)

Features

• imagebuilder-alpha: add support for Container Recipe Construct (#36091) (875e0e7), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789
• imagebuilder-alpha: add support for Image Recipe Construct (#36092) (4361f8b), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789
• imagebuilder-alpha: add support for Workflow Construct (#36007) (616d32a), closes aws/aws-cdk-rfcs#789 aws/aws-cdk-rfcs#789
• mixins-preview: developer preview of CDK Mixins (#36136) (0c6ee1d)

Bug Fixes

• bedrock-agentcore-alpha: empty submodule accidentally exposed and runtime validation fix (#36148) (72d3e6f)

2.228.0-alpha.0 (2025-11-24)

... (truncated)

• 06ad590 chore(release): 2.231.0 (#36260)
• 8e5d232 chore: update CHANGELOG.v2.md
• a0a3f60 chore: update analytics metadata blueprints
• 864ae6b chore(release): 2.231.0
• 2e4c1cf feat(lambda): support for capacity providers (#36255)
• 8410b13 feat: update L1 CloudFormation resource definitions (#36253)
• dc9db9b feat(aws-cdk-lib): all L1s now have a isCfn\<ResourceName> static helper to ...
• 3e048c1 chore: use locked version of cdk-generate-synthetic-examples (#36242)
• 5a8be4f feat(aws-cdk-lib): add arnFor\<ResourceName> for 47 more resources (#36231)
• 3d6b204 chore: update Contributors File (#36249)
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