New features of 3.0.0-beta version

[maldil]

I am curious to know about the new features that has been introduced from the 3.0.0 beta release. I noticed you have got some help from deeplearning4j as well. Could you please let us know the purpose of having deeplearning4j as well.

[SunYatong]

Here is the introduction of new features : https://www.librec.net/dokuwiki/doku.php?id=introduction

DL4J is used to implement deep learning based recommendation algorithms.