Super tiny font in the searching window

[sammo3182]

JabRef 5.0-dev--snapshot--2018-11-11--master--50875f967
Windows 10 10.0 amd64
Java 1.8.0_192

I'm using a 4k screen on a Thinkpad X1. I got super tiny fonts when using the web searching engine, as shown here:

Additionally, sort of a question: In previous versions, when I searched some author or title, all the relevant entries would show while in gray if they were not in the certain group. Right now, only the entries of the group would show up. Should I set up something or this is a bug? Here's my setting under the Group tab:

Thank you,

[Siedlerchr]

Hi, the first issue is due to the fact that the search inspection window has not yet been converted to the JavaFX technology.
See #3861 for an overview of dialogs that have already been converted.

The second point is already a known issue and tracked here somewhere