Issues

• (aws-s3-deployment): Support custom Lambda Runtime architecture

  @aws-cdk/aws-s3-deploymentfeature-requestneeds-triage
  aws/aws-cdk#39138 · Filter by author arnulfojr opened on Oct 12, 2026

• (aws-s3-deployment): CustomCDKBucketDeployment has vuln CVE-2026-97689, CVE-2026-97688, CVE-2026-97687

  @aws-cdk/aws-s3-deploymentbugneeds-triage
  aws/aws-cdk#39135 · Filter by author DoingItNow opened on Oct 12, 2026

• (aws-ecs): no warning when desiredCount is set on an auto-scaled service

  @aws-cdk/aws-ecseffort/smallfeature-requestp2
  aws/aws-cdk#39129 · Filter by author frankhefeng opened on Oct 11, 2026

• (aws-lambda): useCdkManagedLogGroup log group is deleted before its function, so Lambda recreates it and the next deploy fails

  @aws-cdk/aws-lambdabugeffort/mediump2
  aws/aws-cdk#39126 · Filter by author garysassano opened on Oct 11, 2026
  1

• (codepipeline-actions): CommandsAction should support compute type, environment type and VPC configuration

  @aws-cdk/aws-codepipeline-actionseffort/mediumfeature-requestp2
  aws/aws-cdk#39088 · Filter by author moneytool opened on Oct 10, 2026
  2

• (pipelines): support the CodePipeline Commands action as a step (CommandsStep)

  @aws-cdk/pipelineseffort/mediumfeature-requestp2
  aws/aws-cdk#39087 · Filter by author moneytool opened on Oct 10, 2026
  2

• core: synthesis-time template validation skips NestedStack templates

  effort/mediumfeature-requestp2
  aws/aws-cdk#39084 · Filter by author axonstone opened on Oct 10, 2026
  2

• aws-redshift: Singleton Provider for custom resource

  @aws-cdk/aws-redshifteffort/mediumfeature-requestp2
  aws/aws-cdk#39041 · Filter by author Rizxcviii opened on Oct 9, 2026

• aws-lambda: Add Python 3.15 (Runtime.PYTHON_3_15) runtime

  @aws-cdk/aws-lambdaeffort/smallfeature-requestp2
  aws/aws-cdk#39022 · Filter by author garysassano opened on Oct 8, 2026
  1

• aws-lambda: Add Node.js 26 (Runtime.NODEJS_26_X) runtime

  @aws-cdk/aws-lambdaeffort/smallfeature-requestp2
  aws/aws-cdk#39021 · Filter by author garysassano opened on Oct 8, 2026

• aws-ec2: Add Graviton 5 (InstanceClass.C9G) to available instance classes

  @aws-cdk/aws-ec2bugeffort/smallfeature-requestp2
  aws/aws-cdk#39020 · Filter by author garysassano opened on Oct 8, 2026
  1

• (aws_eventsv2): CfnSubscriber missing InvokeConfiguration property

  @aws-cdk/cfnspecbugeffort/smallp1
  aws/aws-cdk#38996 · Filter by author jbutz opened on Oct 8, 2026
  1

• (glue): warning IDs in aws-cdk-lib/aws-glue still use the @aws-cdk/aws-glue-alpha: prefix

  @aws-cdk/aws-gluebugeffort/smallp2
  aws/aws-cdk#38995 · Filter by author azatoth opened on Oct 8, 2026
  2

• (aws-bedrock): no foundation model constant for Claude Haiku 5.5

  @aws-cdk/aws-bedrock-alphaeffort/smallfeature-requestp2
  aws/aws-cdk#38994 · Filter by author surecloud-jleite opened on Oct 8, 2026
  2

• (core): make "Template size exceeds limit" an error instead of a warning

  @aws-cdk/coreeffort/mediumfeature-requestp2
  aws/aws-cdk#38992 · Filter by author mingkunm opened on Oct 7, 2026
  2

• (aws-cloudwatch): CompositeAlarm does not validate the 100-alarm limit and under-measures the 10240-character rule limit

  @aws-cdk/aws-cloudwatcheffort/mediumfeature-requestp2
  aws/aws-cdk#38991 · Filter by author mingkunm opened on Oct 7, 2026
  2

• aws-redshift: Utilise Waiter State machine within Custom resource

  @aws-cdk/aws-redshifteffort/mediumfeature-requestp2response-requested
  aws/aws-cdk#38990 · Filter by author Rizxcviii opened on Oct 7, 2026
  1

• core: context-miss dummy values (vpc-12345, p-12345, dummy-value-for-...) fail the built-in CloudFormation validation

  @aws-cdk/corebugeffort/smallp1potential-regression
  aws/aws-cdk#38989 · Filter by author variia opened on Oct 7, 2026
  1

• CI pending maintainer action: week 2026-October5-W41

  ci-pending-tracking
  aws/aws-cdk#38987 · Filter by author aws-cdk-automation opened on Oct 6, 2026

• (aws-applicationsignals-alpha): DotNetLinuxInjector has no musl profiler path, and DotnetInstrumentationVersion stops at v1.7.0

  @aws-cdk/aws-applicationsignals-alphafeature-requestp2
  aws/aws-cdk#38986 · Filter by author jeanvelez2 opened on Oct 6, 2026

• aws-rds: CloudFormation-Validate::E9006 false positive — SqlServerEngineVersion.VER_16 emits '16.00', which CDK's own validator rejects

  @aws-cdk/aws-rdsbugcloudformation-validationeffort/smallp2
  aws/aws-cdk#38983 · Filter by author azatoth opened on Oct 6, 2026
  2

• core: CloudFormation-Validate::E3047 false positive on parameterized Fargate Cpu/Memory, and messages reused across resources

  bugcloudformation-validationeffort/mediump1
  aws/aws-cdk#38982 · Filter by author azatoth opened on Oct 6, 2026
  3

• (aws-certificatemanager): add L2 constructs for ACME certificate automation

  @aws-cdk/aws-certificatemanagereffort/mediumfeature-requestp2
  aws/aws-cdk#38972 · Filter by author frankhefeng opened on Oct 5, 2026

• (aws-stepfunctions): CustomerManagedEncryptionConfiguration on an unnamed StateMachine grants a KMS condition that matches no ARN, so executions are denied the key

  @aws-cdk/aws-stepfunctionsbugeffort/mediump2
  aws/aws-cdk#38958 · Filter by author laazyj opened on Oct 3, 2026
  3

• aws-kinesis: add in RecordDistributionStrategy for service managed partition keys

  @aws-cdk/aws-kinesiseffort/smallfeature-requestp2
  aws/aws-cdk#38952 · Filter by author engjonah opened on Oct 2, 2026
  2