# Document history for Amazon Rekognition Custom Labels The following table describes important changes in each release of the *Amazon Rekognition Custom Labels Developer Guide*. For notification about updates to this documentation, you can subscribe to an RSS feed. + **Latest documentation update:** April 19th, 2023 | Change | Description | Date | | --- |--- |--- | | [Added model duration topic](#document-history) | Shows how to get the number of hours run and the inference units used by a model. For more information, see [Reporting running duration and inference units used](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/rm-model-usage.html). | April 19, 2023 | | [Reorganized dataset content](#document-history) | Moved manifest file creation content to [Manifest file](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/md-create-dataset-ground-truth.html). Moved dataset conversion topics to [Converting other dataset formats to a manifest file](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/md-converting-to-sm-format.html). | February 20, 2023 | | [Updated the IAM guidance for AWS WAF](#document-history) | Updated guide to align with the IAM best practices. For more information, see [Security best practices in IAM](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html). | February 15, 2023 | | [View the confusion matrix for a classification model](#document-history) | The Amazon Rekognition Custom Labels console doesn't show the confusion matrix for a classification model. Instead, you can use AWS SDK to get and show a confusion matrix. For more information, see [Viewing the confusion matrix for a model](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/im-confusion-matrix.html). | January 4, 2023 | | [Updated Lambda function example](#document-history) | The Lambda function example now shows how to analyze images passed from a local file or an Amazon S3 bucket. For more information, see [Analyzing images with an AWS Lambda function](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/ex-lambda.html). | December 2, 2022 | | [Amazon Rekognition Custom Labels can now copy trained models](#document-history) | You can now copy a trained model from one AWS account to another AWS account within the same AWS Region. For more information, see [Copying an Amazon Rekognition Custom Labels model (SDK)](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/md-copy-model-overview.html). | August 16, 2022 | | [Amazon Rekognition Custom Labels can now automatically scale inference units.](#document-history) | To help with spikes in demand, Amazon Rekognition Custom Labels can now scale the number of inference units that your model uses. For more information, see [Running a trained Amazon Rekognition Custom Labels model](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/running-model.html). | August 16, 2022 | | [Create a manifest file from a CSV file](#document-history) | You can now simplify the creation of a manifest file by using a script that reads image classification information from a CSV file. For more information, see [Creating a manifest file from a CSV file](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/ex-csv-manifest.html). | February 2, 2022 | | [Amazon Rekognition Custom Labels now manages datasets with projects](#document-history) | You can use projects to manage the training and test datasets that you use to create a model. For more information, see [Understanding Amazon Rekognition Custom Labels](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/understanding-custom-labels.html). | November 1, 2021 | | [Amazon Rekognition Custom Labels is integrated with AWS CloudFormation](#document-history) | You can use CloudFormation to provision and configure Amazon Rekognition Custom Labels projects. For more information, see [Creating a project with AWS CloudFormation](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/cloudformation.html). | October 21, 2021 | | [Updated getting started experience](#document-history) | The Amazon Rekognition Custom Labels console now includes tutorial videos and example projects. For more information, see [Getting started with Amazon Rekognition Custom Labels](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/gs-introduction.html). | July 22, 2021 | | [Updated information about thresholds and using metrics](#document-history) | Information about setting a desired threshold value by using the `MinConfidence` input parameter to `DetectCustomLabels`. For more information, see [Analyzing an image with a trained model](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/detecting-custom-labels.html). | June 8, 2021 | | [Added AWS KMS key support](#document-history) | You can now use your own KMS key to encrypt your training and test images. For more information, see [Training a model](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/training-model.html). | May 19, 2021 | | [Added tagging](#document-history) | Amazon Rekognition Custom Labels now supports tagging. You can use tags to identify, organize, search for, and filter your Amazon Rekognition Custom Labels models. For more information, see [Tagging a model](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/tm-tagging-model.html). | March 25, 2021 | | [Updated setup topic](#document-history) | Updated setup information on how to encrypt training files. For more information, see [Step 5: (Optional) Encrypting training files](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/su-encrypt-bucket.html). | March 18, 2021 | | [Added dataset copy topic](#document-history) | Information on how to copy a dataset to a different AWS Region. For more information, see [Copying a dataset to a different AWS region](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/dataset-region-transfer.html). | March 5, 2021 | | [Added Amazon SageMaker AI GroundTruth multi-label manifest transform topic](#document-history) | Information on how to transform an Amazon SageMaker AI GroundTruth multi-label format manifest to a Amazon Rekognition Custom Labels format manifest file. For more information, see [Transforming multi-label SageMaker AI Ground Truth manifest files](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/md-gt-cl-transform.html). | February 22, 2021 | | [Added debugging information for model training](#document-history) | You can now use validation results manifests to get in-depth debugging information about model training errors. For more information, see [Debugging a failed model training](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/tm-debugging.html). | October 8, 2020 | | [Added COCO transform information and example](#document-history) | Information on how to transform a COCO object detection format dataset into an Amazon Rekognition Custom Labels manifest file. For more information, see [Transforming COCO datasets](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/md-transform-coco.html). | September 2, 2020 | | [Amazon Rekognition Custom Labels now supports single object training](#document-history) | To create an Amazon Rekognition Custom Labels model that finds the location of a single object, you can now create a dataset that only requires one label. For more information, see [Drawing bounding boxes](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/md-localize-objects.html). | June 25, 2020 | | [Project and model delete operations added](#document-history) | You can now delete Amazon Rekognition Custom Labels projects and models with the console and with the API. For more information, see [Deleting an Amazon Rekognition Custom Labels Model](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/tm-delete-model.html) and [Deleting an Amazon Rekognition Custom Labels project](https://docs.aws.amazon.com/rekognition/latest/customlabels-dg/mp-delete-project.html) | April 1, 2020 | | [Added Java examples](#document-history) | Added Java examples covering project creation, model training, model running, and image analysis. | December 13, 2019 | | [New feature and guide](#document-history) | This is the initial release of the Amazon Rekognition Custom Labels feature and the *Amazon Rekognition Custom Labels Developer Guide*. | December 3, 2019 |