/usr/bin/VBoxClient --wayland улучшает работу в Wayland, но не запускается, т.к. расположен в череззаднем месте, в /etc/X11/xinit.d/ , а надо в /etc/xdg/autostart/
virtualbox-7.1.8-alt1 -> sisyphus: Mon Apr 21 2025 Valery Sinelnikov <greh@altlinux> 7.1.8-alt1 - Update to newest version 7.1.8 - Fixed an issue where the notification "VBoxClient: the VirtualBox kernel service is not running" appeared upon session login (closes:52658) - Resolved an issue where VBoxClient --wayland failed to start under Wayland. The service has been moved from /etc/X11/xinit.d/ to the correct autostart location /etc/xdg/autostart/ (closes:53882)
*** Bug 48365 has been marked as a duplicate of this bug. ***
В p11 тоже надо. Дистрибутивы уже вышли.