v1.87.0

⚠ BREAKING CHANGES TO EXPERIMENTAL FEATURES

• s3-deployment: User metadata keys of bucket objects will change from x-amz-meta-x-amz-meta-x-amzn-meta-mykey to x-amz-meta-mykey.
• core: users of modern synthesis (DefaultSynthesizer,
  used by CDK Pipelines) must upgrade their bootstrap stacks. Run cdk bootstrap.

Features

• aws-codebuild: add enableBatchBuilds() to Project (#12531) (0568390)
• aws-codepipeline-actions: Add Full Clone support for CodeCommit (#12558) (d169688), closes #12236
• batch: Compute Resources placement group (#12203) (fe37174)
• eks: Graduate to stable (#12640) (b5ba7cd)
• stepfunctions-tasks: EcsRunTask now uses taskDefinition family instead of ARN (#12436) (abde96b), closes #12080
• stepfunctions-tasks: support databrew startJobRun task (#12532) (eacd2f7)

Bug Fixes

• apigatewayv2: multiple http integrations are created for each route (#12528) (855ce59), closes 40aws-cdk/aws-apigatewayv2/lib/http/route.ts#L128
• core: modern deployments fail if bootstrap stack is renamed (#12594) (e5c616f), closes #11952 #11420 #9053
• pipelines: assets broken in Pipelines synthesized from Windows (#12573) (5c3dce5), closes #12540
• pipelines: can't use CodePipeline variables in Synth environment variables (#12602) (736b260), closes #12061 #11178
• pipelines: unable to publish assets inside VPC (#12331) (a16f09c), closes #11815
• s3-deployment: User metadata keys have redundant triple x-amz prefix (#12414) (6716181), closes #8459
• secretsmanager: fromSecretPartialArn() has incorrect grant policies (#12665) (560915e), closes #12411