Features
- assertions: 'not' matcher (#16240) (b838f95), closes #15868
- cloudfront-origins: add custom headers to S3Origin (#16161) (f42b233), closes #16160
- cfnspec: cloudformation spec v40.1.0 (#16254) (fe81be7)
- cli: support
--no-rollbackflag (#16293) (d763d90), closes #16289 - core: normalize line endings in asset hash calculation (#16276) (01bf6e2)
- ec2: add m6i instances (#16081) (a42a1ea)
- ecs: add support for Fargate PV1.4 ephemeral storage (#15440) (f1bf935), closes #14570
- ecs-patterns: add capacity provider strategies to queue processing service pattern (#15684) (f40e8d6), closes #14781
- ecs-patterns: Allow configuration of SSL policy for listeners created by ECS patterns (#15210) (2c3d21e), closes #11841 #8816
- route53resolver: DNS Firewall (#15031) (ffdcd94)
- stepfunctions-tasks: support allocation strategies in EMR CreateCluster (#16296) (5a5da57), closes #16252
- synthetics: add Python runtime and latest Nodejs runtime (#16069) (de218ba), closes #15138 #16177
Bug Fixes
- apigatewayv2: api mapping key with two hyphens is disallowed (#16204) (0889564), closes #15948
- rds:
fromDatabaseInstanceAttributes()incorrectly stringifies ports with tokens (#16286) (41b831a), closes #11813 - core: inconsistent analytics string across operating systems (#16300) (ff6082c), closes #15322
- elasticloadbalancingv2: target group health check does not validate interval versus timeout (#16107) (a85ad39), closes #3703