# Release Notes
**Thanks to our Contributors!**
This release contains contributions from many people at SciSharp as well as the external contributors.
**Release Date 02/06/2021**
### TensorFlow.Binding v0.33.0
* Improve memory usage
* Fix minor bugs
### TensorFlow.Keras v0.4.0
* Add Subtract layer
* Add model.load_weights and model.save_weights
* Fix memory leak issue
* Support to build YOLOv3 object detection model
**Release Date 01/09/2021**
### TensorFlow.Binding v0.32.0
* Fix input `dtype` for `MapDataset`.
* Fix `image_dataset_from_directory` function.
* Fix `tf.transpose`.
* Add `array_ops.where_v2`, `array_ops.select_v2`, `array_ops.softplus`.
* Add `dataset.dataset_cardinality`.
### TensorFlow.Keras v0.3.0
* Fix `weight` init value for `double` type in `compute_weighted_loss`.
* Add `MeanSquaredError `, `MeanAbsolutePercentageError `, `MeanAbsoluteError` and `MeanSquaredLogarithmicError` loss functions.
* `Sequential` model API works.
* Add `ShellProgressBar` to show training progress better.