KDE Plasma 6.6.2 brings a large set of stability improvements and bug fixes throughout the system, from UI quirks in KWin and Plasma Desktop to backend issues in Flatpak Permissions and libplasma. Developers addressed critical crashes such as output device mode updates, RDP connection destructors, and missing include files, while also tightening security by fixing permission traversal and session sorting logic. New hardware support was added with Fairphone 5 and Nothing Phone (1), and several mobile and network manager features were refined to better handle bridges, VLANs, and activity information via D‑Bus. Finally, visual polish received attention, including scrollbar sizing for Oxygen theme, selection rectangle color changes in FolderView, and a more robust handling of app menu presence across different desktop environments.

KDE Plasma 6.6.2 Released – RDP Scrolling, DRM Fixes, And Minor Tweaks

The newest KDE Plasma update comes packed with a handful of bug fixes that will stop the most annoying hiccups from ruining daily workflow. Users who have been wrestling with remote‑desktop scroll glitches or sudden crashes on multi‑monitor setups are in luck. This patch streamlines several backend routines and cleans up a bunch of UI quirks that had slipped through the cracks in 6.6.1.

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RDP Scroll Wheel Chaos Finally Tamed

Earlier releases suffered from a subtle but maddening bug: when a Windows client sent high‑resolution or zero‑position wheel events, the Plasma KWin backend would misinterpret them and the scroll bar on remote windows would jitter or even freeze. The fix in 6.6.2 ensures that every wheel tick is mapped to its proper delta, so a user who once had to hold the mouse steady to read a long document in Remote Desktop now enjoys smooth scrolling like any native application.

KDE Plasma 6.6.2 Cuts the DRM Crash Tail

A random crash triggered by OutputDeviceV2Interface::updateModes has been squashed, which means that people who frequently swap resolutions or detach monitors no longer have to stare at a black screen while KWin restarts. The patch also prevents Workspace::findOutput from misbehaving when mirrored outputs are disabled—a common pain point for developers who run dual‑monitor setups for debugging.

Minor Tweaks That Actually Matter

The update cleans up a handful of UI inconsistencies: the Oxygen theme now shows minimized windows correctly, its scroll bars receive proper sizing, and panel widgets stop flickering when resized. Applets in the Kicker sidebar no longer leave stray resize handles after editing mode ends, which keeps the panel tidy. Even small changes such as aligning form labels to the top or making Flatpak permission buttons a uniform width help create a more coherent look.

Those who spent hours tweaking their desktop layout will notice that the new release feels less glitchy and more polished overall. If you’re still on 6.6.1, this update is worth grabbing—especially if remote‑desktop work or multi‑monitor management has been a headache.

For a detailed change log, check out the official announcement below:

KDE Plasma 6.6.2 bugfix release

Hello all,

Plasma 6.6.2 is now released, please find the full changelog at

https://kde.org/announcements/changelogs/plasma/6/6.6.1-6.6.2/

Cheers,
David (since Bhushan has problems with his email)