Issue 1:
Show exception "No X11 DISPLAY variable was set" on Fedora when launching WSClient (Figure-1)
Solution:
1) Check Fedora installed Java version, such as OpenJDK25.
2) Then install devel by command $sudo dnf install java-25-openjdk-devel
Figure - 1
Issue 2:
If you accidentally click Deny button on the pop-up dialog when taking a screenshot (Figure 2)
Solution:
Please run the below command to re-enable permission (Figure 3):
$busctl --user call org.freedesktop.impl.portal.PermissionStore /org/freedesktop/impl/portal/PermissionStore org.freedesktop.impl.portal.PermissionStore DeletePermission sss screenshot screenshot ""
Figure 2
Figure 3