NatML 1.0.15

• Added initial support for WebGL! NatML can now be used in the browser.
• Improved MLImageFeature texture constructor to avoid copying pixel buffers when possible.
• Improved performance of MLImageFeature.NonMaxSuppression for large number of candidate boxes.
• Changed MLEdgeFeature.dataType property type from System.Type to NatML.DataType.

NatML 1.0.13

• Added support for rotated ROI in MLImageFeature.RegionOfInterest method.
• Added MLModelData.FromFile method to load ML model data from model files.
• Added MLImageFeature.TransformPoint method for transforming detection points from feature space to image space.
• Added MLDepthFeature.TransformPoint method for projecting 2D points into 3D space using depth.
• Added MLEdgeFeature.dataType property for inspecting the data type of Edge features.
• Added MLAsyncPredictor class for making predictions on a background thread.
• Added MLPredictorExtensions.ToAsync extension method for converting predictor to an async predictor.
• Improved prediction performance on Android devices with dedicated neural processing units.
• Changed MLEdgeFeature class to readonly struct to prevent GC pressure.
• Fixed MLImageFeature not respecting AspectMode.AspectFit when making predictions.
• Fixed sporadic NullReferenceException when MLModelData.FromHub is called on some Android devices.
• Updated MLDepthFeature.Sample method to accept a Vector2 point instead of individual coordinates.
• Removed IMLCloudFeature interface as it is no longer supported by the NatML Hub API.
• Removed MLCloudFeature class as it is no longer supported by the NatML Hub API.
• Removed MLCloudModel class as it is no longer supported by the NatML Hub API.
• Removed IMLAsyncPredictor interface.
• Removed MLFeature.CloudType utility method as it is no longer supported by the NatML Hub API.
• Removed MLArrayFeature constructor that accepted an MLCloudFeature.
• Removed MLAudioFeature constructor that accepted an MLCloudFeature.
• Removed MLImageFeature constructor that accepted an MLCloudFeature.
• Removed MLImageFeature constructor that accepted an encoded image byte[].
• Removed MLImageFeature.Contiguous method.
• Removed MLTextFeature constructor that accepted an MLCloudFeature.
• Removed MLEdgeFeature.ReleaseFeature method as it has long been deprecated.

NatML 1.0.12

• Upgraded to Hub 1.0.8.

NatML 1.0.11

• Added MLModelDataEmbed attribute for embedding model data at build time, making models immediately available in builds without downloads.
• Added MLImageFeature.NonMaxSuppression method for performing non-maximum suppression on detection proposals.
• Added MLImageFeature.TransformRect method for transforming detection rectangles from feature space to image space.
• Added custom icon for identifying ML model files imported by NatML.
• Migrated MLPredictorExtensions.ToAsync extension method and MLAsyncPredictor class to NatMLX.
• Removed MLPredictorExtensions.RectifyAspect method. Use MLImageFeature.TransformRect method instead.
• Removed MLPredictorExtensions.NonMaxSuppression method. Use MLImageFeature.NonMaxSuppression method instead.
• Refactored top-level namespace from NatSuite.ML to NatML for parity with our other API's.

NatML 1.0.10

• Improved prediction performance on Windows systems with dedicated GPU's.
• Added MLArrayFeature constructors that accept NativeArray<T> native arrays to minimize memory copies.
• Added setter accessors to MLArrayFeature indexers allowing for writing values to feature data.
• Added MLAudioFeature.Contiguous method for decoding encoded audio feature into memory.
• Added support for creating greyscale image MLEdgeFeature features from MLImageFeature features.
• Added MLImageFeature.RegionOfInterest method for extracting an ROI from an image.
• Added MLImageFeature.Contiguous method for decoding encoded image feature into memory.
• Added MLDepthFeature.width convenience property for getting width of depth features.
• Added MLDepthFeature.height convenience property for getting height of depth features.
• Added MLImageType.interleaved property for checking whether image feature is interleaved or planar.
• Added IMLCloudFeature interface to create cloud ML features for making cloud predictions.
• Added "Clear Predictor Cache" menu item for clearing predictor cache in the editor.
• Added NatMLHub.Subscribe method for making subscription requests to the NatML API.
• Fixed memory leak when using certain vision predictors like Robust Video Matting.
• Refactored MLHubModel class to MLCloudModel.
• Refactored MLHubFeature class to MLCloudFeature.
• Refactored HubDataType class to DataType.
• Deprecated IMLHubFeature interface.
• Removed MLAudioFeature.ReadToEnd method. Use MLAudioFeature.Contiguous method instead.

NatML 1.0.9

• Added exclusive support for running CoreML graphs on iOS and macOS.
• Added exclusive support for running TensorFlow Lite graphs on Android.
• Added support for working with CoreML .mlmodel files in Unity projects.
• Added support for working with TensorFlow Lite .tflite files in Unity projects.
• Added support for Apple Silicon on macOS.
• Added MLVideoFeature class for making ML predictions on video files.
• Added MLVideoType feature type for inspecting video features.
• Added MLDepthFeature abstract class for working with predictors that use depth data.
• Added support for audio feature resampling in MLAudioFeature with sampleRate and channelCount fields.
• Added MLEdgeFeature type for added type safety when authoring edge predictors.
• Added MLImageFeature constructor which accepts a NativeArray<byte> pixel buffer.
• Added MLImageFeature.width convenience property for getting width of image feature.
• Added MLImageFeature.height convenience property for getting height of image feature.
• Added MLImageFeature.CopyTo methods for copying pixel data from image feature.
• Added MLAudioFeature constructor that accepts a NativeArray<float> to minimize memory copies.
• Added MLAudioFeature path constructor for reading audio features from audio and video files.
• Added MLAudioFeature.CopyTo methods for copying audio data from audio feature.
• Added MLAudioFeature.FromStreamingAssets method for creating an audio feature from an audio file in the StreamingAssets folder.
• Added MLAudioFeature.ToAudioClip method for converting audio feature to an AudioClip.
• Added MLAudioFeature.ReadToEnd method to read audio data into memory for audio features backed by an audio file.
• Added MLAudioType.FromFile method for inspecting the audio type of a video or audio file.
• Added MLAudioType.FromAudioClip method for inspecting the audio type of an audio clip.
• Added MLAudioType.FromVideoClip method for inspecting the audio type of a video clip.
• Added MLAudioType.FromStreamingAssets method for inspecting the audio type of a video file in the StreamingAssets folder.
• Added MLImageType constructor that accepts image channels.
• Fixed MLImageFeature type incorrectly reporting 3 channels instead of 4.
• Fixed MLImageFeature default normalization standard deviation having 0 for alpha channel.
• Removed IMLModel interface as it has long been deprecated.
• Removed IMLFeature interface as it has long been deprecated.

NatML 1.0.8

• Fixed Cannot deserialize graph exception when deserializing cached predictors.
• Fixed MLModelData being cached for DRAFT predictors.

NatML 1.0.7

• Added MLArrayFeature constructor that accepts an MLHubFeature for working with Hub predictors.
• Added MLAudioFeature constructor that accepts an MLHubFeature for working with Hub predictors.
• Added MLImageFeature constructor that accepts an MLHubFeature for working with Hub predictors.
• Added MLTextFeature constructor that accepts an MLHubFeature for working with Hub predictors.
• Fixed DirectoryNotFoundException when loading cached MLModelData on iOS.
• Removed prediction analytics reporting to NatML Hub, relieving network bandwidth pressure.
• Removed cache flag in MLModelData.FromHub method.

NatML 1.0.6

• Introduced Hub Predictors, which make predictions using server-side processing on NatML Hub.
• Added MLHubModel class for authoring predictors that make cloud-based predictions using NatML Hub.
• Added MLEdgeModel class for authoring predictors that make edge (on-device) predictions.
• Added IMLHubFeature interface for creating server-side features when making predictions with NatML Hub.
• Added IMLEdgeFeature interface for creating native features when making edge (on-device) predictions.
• Added MLTextType feature type for inspecting MLTextFeature instances.
• Added MLModelData.tag property to identify the predictor tag from NatML Hub.
• Added MLModel.metadata dictionary for inspecting model metadata.
• Added MLArrayFeature.Squeeze to remove singleton dimensions from an array feature.
• Added MLArrayFeature.Flatten to flatten an array feature into one-dimensional array feature.
• Added MLArrayFeature.ToArray to convert an array feature into a flattened primitive array.
• Added MLImageFeature.ToTexture to convert an image feature into a Texture2D.
• Added MLImageType.FromType static method for converting arbitrary feature types to image types.
• Added implicit conversion from MLFeatureType to bool indicating if the type is non-null.
• Added implicit conversion from MLTextFeature to string.
• Fixed MLImageType image resolution constructor assuming planar format instead of interleaved format.
• Moved IMLPredictor interface to the top-level NatSuite.ML namespace.
• Moved IMLAsyncPredictor interface to the top-level NatSuite.ML namespace.
• Deprecated IMLModel interface. Cast model to MLEdgeModel class instead.
• Deprecated IMLFeature interface. Cast feature to IMLEdgeFeature interface instead.
• Deprecated MLPredictorExtensions.GetImageSize static method. Use MLImageType.FromType instead.
• Removed MLModelData.FromFile method. Use NatML Hub instead.
• Removed MLModelData.FromStreamingAssets method. Use NatML Hub instead.
• Removed MLPredictorExtensions.SerializeAudio method.
• Removed MLPredictorExtensions.SerializeImage method.
• Removed MLModel dictionary indexers. Use MLModel.metadata property instead.

NatML 1.0.5

• Changed MLImageFeature.mean and std types to Vector4 to support normalization for alpha channel.
• Fixed bitcode not being generated for iOS NatML.framework.
• Removed metadata accessors from IMLModel interface. Cast to MLModel instead.