Lags really bad and cant be used

Before the update, I used the app with no problem. After the update I installed today, the app takes forever to load up and cant even do anything. Takes a few minutes to go to folders or on the browser. I appreciate the new look, but can you fix the problem? If not, just have the app go back to what it used to be. Thank you!

Yat Sen about Documents: File Manager & Docs, v6.0.1