Vangelis Evangelou <evangelou@gmail.com> writes:

> Dear all.
>
> I have further information on how to reproduce this bug. I believe
> this issue is a combination of emacs version 29.1 and later (the issue
> is absent in version 28.1) and my window manager. My window manager is
> XFCE version 4.18. In the XFCE settings choose "window manager
> tweaks", then the "focus" tab and untick the option "activate focus
> stealing prevention". With this choice, the issue I mentioned with the
> miniframe losing focus can be reproduced. When the "activate focus
> stealing prevention" option is selected, then this issue goes
> away. See settings image here
> https://docs.xfce.org/xfce/xfwm4/wmtweaks#focus I hope this helps.

What if you set x-allow-focus-stealing to nil?