Features
- apigatewayv2: http api - domain url for a stage (#15973) (bb5d587), closes #15801
- assets: exclude "cdk.out" from docker assets (#16034) (84a831a), closes #14841 #14842
- aws-apigateway: import existing usage plan (#15771) (97fc290), closes #12677
- cfnspec: cloudformation spec v39.9.0 (#15987) (e0d6181)
Bug Fixes
- core: asset bundling fails for non-existent user (#15313) (bf5882f), closes #15415
- ec2: opaque error when insufficient NAT EIPs are configured (#16040) (a308cac), closes #16039
- events: cross-account event targets that have a Role are broken (#15717) (f570c94), closes #15639
- pipelines: repos with dashes cannot be used as additionalInputs (#16017) (400a59d), closes #15753
- s3-deployment: BucketDeployment doesn't validate that distribution paths start with "/" (#15865) (f8d8795), closes #9317