How to enlarge the UI font size in JOSM?

Help and support
1

Hi,

OS: openSUSE Tumbleweed
JOSM installed via Flatpak
JOSM v:18583
Java v:17.0.4.1

How do I increase the UI font size? I cannot find a way to do it.
Just installed JOSM and I’m using it on a 4k monitor and my eyesight isn’t what it used to be. The UI font size is tool small for me.

Thanks in advance.

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2

This page might be of help:

https://josm.openstreetmap.de/wiki/Help/HiDPISupport

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3

Thanks @Discostu36

Couldn’t figure out how to make that work with the flatpak install so I installed the jar file and added this to the KDE launcher in the menu:

java -Dsun.java2d.uiScale=2 -jar <path>/josm-tested.jar

Regards

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