Comment # 2 on bug 993804 from Wolfgang Bauer

(In reply to George Baltz from comment #0)
> Maybe PRNG is always fed the same seed??

Exactly.
It's a bug in KDE Frameworks 5.21.0 (kcoreaddons in particular), that got fixed
in 5.22.0.
See https://bugs.kde.org/show_bug.cgi?id=362161

I'll submit an update for 42.1, as I understand it we won't do a full
Frameworks update any more.