Official breakdown of KDE Plasma 6.8 — released Oct 14, 2026 (KDE's 30th Anniversary Edition):
🚀 Core Platform: Wayland-Only
- X11 session removed — Wayland is now the only desktop session
- X11 apps still work via XWayland compatibility layer
- Minimum requirements: Qt ≥ 6.11.0, KDE Frameworks ≥ 6.30.0
🎨 KWin / Graphics
- Triple buffering enabled by default for NVIDIA → no more lag/stutter
- Fixed tiling/window lag with NVIDIA proprietary drivers
- HDR improvements: added HLG transfer function support; better ICC profile handling
- Full-screen performance & power efficiency improved on Intel/NVIDIA
- Client-side decoration styling: rules add shadows, rounded corners & outlines to apps like Steam — now matches Breeze perfectly
🖥️ Remote Desktop & Screen Sharing
- Bidirectional clipboard sync between local/remote
- New Exclusive Mode — lock physical screen while remote shows virtual display
- Custom resolution selection for shared virtual screens (no longer limited to 1080p)
- Lower latency, better responsiveness on slow connections
📸 Apps & Utilities
- Spectacle: record system audio + microphone together in one capture
- Discover: reliable auto-updates for Flatpak apps
- System Monitor: pin processes to specific CPU cores; show VRAM usage %
- KRunner: improved keyboard navigation (Tab/arrow keys)
- New
kscreenctlCLI: script display config; pixel‑perfect monitor positioning - Kup backup utility included with scheduling support
🎭 Theming: Union Beta
- Union theme system enters Beta — unified styling for Qt Widgets and Qt Quick apps
- Install & enable in System Settings → Colors & Theme → Application Style
- Not yet default — still in testing phase
⌨️ Productivity & Accessibility
- New shortcut: Meta+Ctrl+PageUp/PageDown → cycle tasks in Task Manager
- New Dwell Clicker — hover mouse to click (accessibility)
- Fixed clipboard history crash on deletion
⚠️ Known Notes
- Plasma 6.6 LTS remains supported for 3 years — if you need X11, stay on 6.6
- KDE apps themselves still support X11 individually