v1.6.0

Bug Fixes

• aws-stepfunctions: refactor sagemaker tasks and fix default role issue (#3014) (d8fcb50)
• cli: update bit.ly link to use GitHub link directly (#3782) (042fb53)
• ec2: also add egress rules for allowInternally() (#3741) (051aacb), closes #3254
• ec2: fix error when using Tokens in Vpc.fromLookup() (#3740) (004077f), closes #3600
• ec2: throw useful error when using lazy CIDR in VPC (#3739) (c92e9a9), closes #3617
• ecs: IAM role ARN must not specific region. (#3755) (210ed8f), closes #3733
• events: fix ECS target in Isolated subnet (#3786) (8bbc7e6)
• iam: make User implement IUser (#3738) (05e13f3), closes #3490
• lambda: generate correct metrics for aliases (#3728) (ce08853), closes #3724
• lambda/rds: allow to specify a role for log retention lambda (#3730) (013cab6), closes #3685
• scaling: don't fail when using Tokens (#3758) (0a2ed3d)

Features

• acm: validated certificate can use existing Role (#3785) (b51723c), closes #3519 #3753
• appmesh: add support for AWS AppMesh (#2299) (98863f9), closes #2297
• cloudfront: define lambda@edge as resolvable resource (#2861) (c39d659), closes #1575
• cloudtrail: accept existing S3 bucket (#3680) (c2d6847), closes #3651
• core: stack.templateFile (#3808) (ac54e14), closes #3807
• ec2: add Instance and Bastion Host (#3697) (ef09aba), closes #3174 #1713
• ec2: imported SecurityGroups don't create egress rules (#3386) (04710d0), closes #3355
• ec2: Validate IP addresses passed to CidrIPvX (#3642) (b67b0f3), closes #3639
• ecs: add GPU support in container definition (#3044) (2590327)
• ecs: support ecs tag propagation and ecs managed tags (#3420) (1e81053)
• eks: updated AMI and EC2 instance sizes (#3805) (2d165ad), closes #3751
• elbv2: add support for Lambda targets (#3348) (f003dcc), closes #1921
• events: add target to make AWS API calls (#3720) (b6f055a), closes #2538
• region-info: report availability of metadata service in Bahrein & Hong-Kong (#3799) (95d8ac3)
• updated CloudFormation Resource specification 5.3.0 (#3789) (39ee810)