Turicreate

Bug Fixes
* Fixes error image_classifier 1866
* Fixes regression in TC image classifier evaluate 1889
* Fixes import broken in 5.4 on linux GPUs for OD 1890

Note: the API surface is not impacted by this release, so for documentation, please see [release 5.5](https://github.com/apple/turicreate/releases/tag/5.5).

New Features
* Added Ubuntu 14.04 compatibility [1441](https://github.com/apple/turicreate/issues/1441)
* Refined output images from Style Transfer model [666](https://github.com/apple/turicreate/issues/666)

Feature Enhancements

* Object Detector will now compute training and validation metrics automatically [1726](https://github.com/apple/turicreate/issues/1726)
* Added an Advanced Usage page to documentation [1639](https://github.com/apple/turicreate/issues/1639)
* Added ability to navigate to arbitrary image during Image Annotation [1521](https://github.com/apple/turicreate/issues/1521)
* Added ability to tune neural network structure for Sound Classifier [1477](https://github.com/apple/turicreate/issues/1477)
* Now targeting iOS 10 as minimum deployment target [1654](https://github.com/apple/turicreate/issues/1347)
* Sound classifier now saves deep features [1601](https://github.com/apple/turicreate/issues/1601)


Bug Fixes
* Fixed crash related to Sound Classifier analyzing clips less than 975 milliseconds in length [1702](https://github.com/apple/turicreate/issues/1702)
* Fixed issue with Drawing Classifier warm start options [1808](https://github.com/apple/turicreate/issues/1808)
* Fixed compiler warning causing failing `ninja` builds [1667](https://github.com/apple/turicreate/issues/1667)
* Fixed issue with histogram axis labels [1664](https://github.com/apple/turicreate/issues/1664)
* Fixed issue with documentation formatting [1648](https://github.com/apple/turicreate/issues/1648)
* Added missing documentation for `.annotate` method [1645](https://github.com/apple/turicreate/issues/1645)
* Fix issue with Drawing Classifier infinite loop [1620](https://github.com/apple/turicreate/issues/1620)
* Clarified Drawing Classifier error message [1617](https://github.com/apple/turicreate/issues/1617)
* Fixed issue with UI selection for model evaluation [1564](https://github.com/apple/turicreate/issues/1564)
* Fixed crash with `Int` labels when using model evaluation [1561](https://github.com/apple/turicreate/issues/1561)
* Fixed issue with model evaluation window focus [1548](https://github.com/apple/turicreate/issues/1548)
* Fixed issue with Image Classifier image column name expectations [1535](https://github.com/apple/turicreate/issues/1535)
* Fixed issue related to Image Classifier model evaluation [1510](https://github.com/apple/turicreate/issues/1510)
* Added ability for SFrame `filter_by` to work with `map` data type [1140](https://github.com/apple/turicreate/issues/1140)
* Image deep feature extractor model downloads now check return code [1033](https://github.com/apple/turicreate/issues/1033)
* Histogram of ints now has integer-aligned bin boundaries 167

New Features

- New Toolkit: Drawing Classifier 1436
- New Toolkit: Sound Classifier 1451
- New Annotation Tool 1482

Feature Enhancements

- CMake simplification & build speedup 1413
- Improvements to LBFGS Solver. 1372
- Replace Armadillo with Eigen 1402

Bug Fixes

- SFrame.show crashes if there are 0 effective columns 1505
- Exception when importing TuriCreate on a machine with no GPUs 1405
- Handle exception thrown when calling `nvidia-smi` when no GPU is installed 1406
- Killed upon reaching iteration limit 1075
- Linear Regression Gives Incorrect Error Message with Image Column - 1298
- Per-class accuracy doesn't make any sense 1407
- Fix issue with documentation failing to display generated images 1595
- SFrame.explore() throws AssertionError on a column with a list of list of dictionaries. 1503
- Scatter plot and heat map start axes at 0 1194
- six dependency is too rigid 1417
- Logistic Classifier: disable probability output type for multiclass predict 1414
- Recommender Exclude Parameter Not Working 1164
- `make_wheel.sh` creates wheels that are not pip installable 927
- gl_sframe cache invalidation bug 1422
- Fixes S3 write path for SFrames 1416

Fixes
=====
* Write support for S3 57

Documentation and other downloads are not affected by this release; only .whl files have changed.

Enhancements
============
* Handle null & missing values in categorical heatmap (1331)
* Handle null values in numeric histogram (1326)
* Handle null values in categorical histogram (1325)

Fixes
=====
* Support empty labels in plots (1211)
* More robust HDFS search paths (1234)
* Integrate progress printing into os_log on Apple platforms (1240)
* Corrected precision-recall computation in `recommender.util.precision_recall_by_user` (1262)
* CSV parsing improvements, including support for fields that contain newlines (1263, 1266)
* Improved error reporting when loading JPEG files with unsupported color spaces (1279)
* Support logistic classification training options in image classification (1299)
* Support custom IOU threshold for non-maximum suppression in object detector prediction (1333)
* Fix axis title bug in Box & Whisker plot (1363)

Fixes
=====
* Fix plot get_data for SFrame summary view 1252

Note: artifacts other than Python wheels are omitted from this release, since only the Python wheel content has changed. For all other artifacts, use release 5.2.