Features
- rds: implement setting parameter group name (#29965) (50331a1)
- support for IAM Identity Center in security diff (#30009) (0a3cb94), closes #29835
- update L1 CloudFormation resource definitions (#30074) (8e98078)
Bug Fixes
- ecr: incorrect format for rule pattern (#29243) (fff9cf6), closes #29225
- pipelines: pipeline asset role trust policy has account root principal (#30084) (3928eae)