"This Week in Plasma" brings the news that Plasma 6.5.0 will _probably_ have picture-in-picture support under Wayland, that you will be able to re-order your virtual desktops, and that Spectacle will clearly tell you how to stop a screen recording (among many other things).
https://blogs.kde.org/2025/06/14/this-week-in-plasma-wayland-pip-and-accessibility/