CHANGELOG/v0.427.0.md
**New actions:**
- chime:CreateMediaConcatenationPipeline
- chime:CreateMediaLiveConnectorPipeline
- chime:DeleteMediaPipeline
- chime:GetMediaPipeline
- chime:ListMediaPipelines
- chime:ListSubChannels
- sns:GetDataProtectionPolicy
- sns:PutDataProtectionPolicy
- transfer:DeleteHostKey
- transfer:DescribeHostKey
- transfer:ImportHostKey
- transfer:ListHostKeys
- transfer:StartFileTransfer
- transfer:UpdateHostKey
**New resource types:**
- transfer:host-key