Aws\AppStream- This release introduces multi-session fleets, allowing customers to provision more than one user session on a single fleet instance.Aws\CloudFormation- Documentation updates for AWS CloudFormationAws\EntityResolution- Changed "ResolutionTechniques" and "MappedInputFields" in workflow and schema mapping operations to be required fields.Aws\LookoutEquipment- This release adds APIs for the new scheduled retraining feature.