KDE Plasma 6.8 Ships on Its 30th Birthday and Retires X11 — Here's What Wayland-Only Means for You
KDE turned 30 on October 14, 2026, and the project marked the occasion with a practical gift to itself: shipping Plasma 6.8 and finally cutting the X11 session loose. The release is out now for major distributions. After decades of parallel support, Wayland is now the only session type the desktop environment officially maintains.
What Changed
KDE Plasma no longer offers an X11 session option at login. When you start a Plasma desktop session, Wayland is your only choice. This isn't a surprise — KDE announced the plan months in advance — but it draws a firm line in the sand for a display technology that has been the backbone of Linux graphical computing for more than three decades. X11 itself dates back to 1984.
XWayland Keeps Legacy Apps Running
The important nuance: removing the X11 session is not the same as removing X11 support entirely. Applications that depend on X11 protocols still run through XWayland, the compatibility layer built into the Wayland stack. Screen sharing, older games, and apps that haven't ported to native Wayland will generally keep working. The change affects what runs the desktop session, not every app that touches the display.
KDE's Own Apps Stay X11-Compatible
KDE applications — Dolphin, Konsole, Kate, and the rest — will continue to work on X11 for the foreseeable future. The project is retiring the Plasma desktop session, not the application toolkit. If you're running KDE apps on another desktop environment over X11, nothing breaks.
A Runway for Holdouts
KDE is not abandoning X11 users cold. The project plans to support the Plasma X11 session through early 2027 for users still on Plasma 6.7. After that, distributions with long-term support commitments — Alma Linux is one example — intend to carry Plasma X11 compatibility until 2032. Enterprise users with hard dependencies have a path forward, just not through the upstream KDE project.
GNOME Already Made This Move
KDE isn't the first major Linux desktop to drop X11 sessions. GNOME removed X11 session support in GNOME 47. Now KDE follows. With both of the two dominant Linux desktop environments committed to Wayland-only sessions, the era of X11 as a first-class option for desktop Linux is over in practice — even if distributions maintain it in custom configurations for years to come.
Why Wayland Wins
Wayland brings genuine improvements: better security isolation between applications, smoother multi-monitor support, working fractional scaling on HiDPI displays, and a significantly simpler architecture. Every practical advantage has been on Wayland's side for years. The friction has been legacy app compatibility and inertia — and Plasma 6.8 decides both of those are no longer a reason to maintain a parallel session type in the upstream project.
KDE Plasma 6.8 is available now through your distribution's package repositories.