It’s not just Deep Learning Toolbox that has deep learning capabilities: When you look for what’s new for deep learning, you should also think of base MATLAB. This release has many assorted goodies, but there are some new features which specifically help with deep learning applications and workflows:
-Live Editor Tasks
-Execute Python functions out of process
-tiledlayout is the new subplot
-App Designer updates
-Function input argument validation
https://blogs.mathworks.com/deep-learning/2019/09/20/whats-new-in-19b-matlab/