[ { "type": "api-change", "category": "Batch", "description": "Making serviceRole an optional parameter when creating a compute environment. If serviceRole is not provided then Service Linked Role will be created (or reused if it already exists)." }, { "type": "api-change", "category": "SageMaker", "description": "Support new target device ml_eia2 in SageMaker CreateCompilationJob API" } ]