JabRef 5.0.0-dev--2019-11-14----8f7188d2d Linux 5.3.0-23-generic amd64 Java 13.0.1 <!-- Add a clear and concise description of what the bug is. --> Steps to reproduce the behavior: 1. Options/Preferences/Entry Preview 2. all the journal formats have disappeared (the "Available" window is empty) 
JabRef 5.0.0-dev--2019-11-14----8f7188d2d
Linux 5.3.0-23-generic amd64
Java 13.0.1
Steps to reproduce the behavior: