New Features

Remove duplicate columns of a an SFrame (#2540)
SArray function: abs() (#1885)

Feature Enhancements

Add metadata to exported CoreML models (#2800)
Unpin numpy dependency by using new coremltools version (#2664)
Better error message for unsupported platform on TuriCreate install (#1163)
Nearest Neighbors: better logging and model summary (#2460)
Object Detection: add warning message if class label not in training set (#2551)
Drawing Classifier: evaluate method is faster (#2932)
One Shot Object Detection: better tar file management for background images (#2005)
Style Transfer: parameter checking (#2790)
Style Transfer: model loaded lazily (#2799)
Sound Classifier: better parameter checking (#2882, #2884, #2886)

Bug Fixes

Fixed ImportError: libbz2.so.1.0 error message (#2302)
Stop calling tensorflow.compat.v1.reset_default_graph() (#2731)
Protocol component of URL is now case insensitive (#2902)
All toolkits: better parameter checking for summary method (#2872)
Fix verbose=False flag for several toolkits (#2677)
Activity Classifier: exporting a model to CoreML which uses just one feature (#2945)
Activity Classifier: drop missing data (#2841)
Activity Classifier: check for missing features (#2844)
Activity Classifier: better parameter checking (#2837)
Style Transfer: disable weight update for the VGG parameters (#2990)
Style Transfer: weight initialization in style transfer to use uniform between -0.7 and 0.7 (#2988)
Style Transfer: remove duplicated printed progress output (#2926)
Style Transfer: improved docstings (#2789)
Style Transfer: remove outdated information from user guide (#2620)
Object Detection: fix inference regression between CPU and GPU (#2955)
Object Detection: predict doesn’t depend on annotation column (#2830)
One Shot Object Detection: fix user guide links (#2959)
One Shot Object Detection: summary improvements (#2862, 2863)
Sound Classifier: fix max_iterations=0 bug (2764)
Image Classifier: fix docstring link (#931)