| ⇢ | A | DataProcessor added |
| ⇢ | B | pad_sequence() added | |
| ⇢ | A | Block.load_params() added | |
| ⇢ | A | RecurrentLayer.compute_step() added | |
| ⇢ | A | OnDiskDataset._process_data() added | |
| ⇢ | A | NeuralTensor.constant() added | |
| ⇢ | A | DataProcessor.process() added | |
| D | ↘ | F | NeuralLayer.compute() got worse |
| C | ↘ | D | NeuralTrainer._run_valid() got worse |
| B | ↗ | A | OnDiskDataset.train_set() improved |
| C | ↘ | F | neural_computation() got worse |
| A | ↛ | OnDiskDataset.curriculum_train_data() removed |