v1.103.0

⚠ BREAKING CHANGES TO EXPERIMENTAL FEATURES

• appmesh: HealthChecks require use of static factory methods
• apigatewayv2: The metricXXX methods are no longer available in the
  IApi interface. The existing ones are moved into IHttpApi and new
  ones will be added to IWebsocketApi.
• apigatewayv2: The metricXXX methods are no longer available in
  the IStage interface. The existing ones are moved into IHttpStage
  and new ones will be added to the IWebsocketStage.
• lambda-nodejs: the default runtime version for NodejsFunction is now always NODEJS_14_X (previously the version was derived from the local NodeJS runtime and could be either 12.x or 14.x).

Features

• appmesh: change HealthChecks to use protocol-specific union-like classes (#14432) (063ddc7)
• aws-ecs: Expose logdriver "mode" property (#13965) (28fce22), closes #13845
• cloudwatch: validate parameters for a metric dimensions (closes #3116) (#14365) (4a24d61)
• docdb: Support multiple security groups to DatabaseCluster (#13290) (1a97b66)
• elbv2: preserveClientIp for NetworkTargetGroup (#14589) (d676ffc)
• kinesis: Basic stream level metrics (#12556) (5f1b576), closes #12555
• kms: allow specifying key spec and key usage (#14478) (10ae1a9), closes #5639
• lambda-go: higher level construct for golang lambdas (#11842) (0948cc7)
• msk: Cluster L2 Construct (#9908) (ce119ba)

Bug Fixes

• apigatewayv2: incorrect metric names for client and server-side errors (#14541) (551182e), closes #14503
• assert matches more than the template on multiple CDK copies (#14544) (f8abdbf), closes #14468
• apigatewayv2-integrations: fix broken lambda websocket integration uri (#13820) (f0d5c25), closes #13679
• cfn-include: correctly parse Fn::Sub expressions containing serialized JSON (#14512) (fd6d6d0), closes #14095
• cli: 'cdk deploy *' should not deploy stacks in nested assemblies (#14542) (93a3549)
• cli: synth fails if there was an error when synthesizing the stack (#14613) (71c61e8)
• lambda-nodejs: non-deterministic runtime version (#14538) (527f662), closes #13893
• ssm: dynamic SSM parameter reference breaks with lists (#14527) (3d1baac), closes #14205 #14476