| September 2021 | Release 1.0.0 Support the following AI features:
 General OCRImage Super ResolutionPornography DetectionHuman Image Segmentation
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| June 2022 | Release 1.2.0 Updated the following AI features:
 Updated the solution architecture:Optimized General OCRGeneral OCR (Traditional Chinese)Custom OCRImage SimilarityObject RecognitionFace DetectionFace ComparisonHuman Attribute RecognitionCar License PlateText Similarity
 Support OpenAPI specification and integrate API ExplorerAI model containerizationUpgrade CDK to 2.27.0Support CloudFormation deployment
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| December 2022 | Release 1.3.0 AI features update:
 Updated the solution architecture:All features support Amazon SageMaker architecture
 Support deployment of Amazon SageMaker-based architecture
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| Auguest 2023 | Release 1.4.0 AI features update:
  Add multilingual advanced optical character recognition (OCR) model.Add general natural language understanding model.Modify general text recognition to lightweight text recognition. |