KDE Plasma 6.3.3 Desktop Environment Released

KDE Plasma 6.3.3 arrives with improvements to the UI, system, and apps, including better DRM handling, smoother updates, and refined animations.

Only over two weeks after the release of Plasma 6.3.2, the KDE team rolled out the third bugfix update to its 6.3 series, version 6.3.3.

One of the release’s highlights involves the Breeze theme and its underlying code. A key fix ensures that header colors do not cascade incorrectly when using non-global color schemes, helping maintain visual consistency.

Additionally, a small but welcome patch addresses a MinGW build regression for Qt6. Users will also notice that side borders now properly account for frame radius, making window decorations look smoother than before.

Plasma’s Discover software center also receives important bug fixes to improve stability and user convenience. When Discover detects a software renderer, it now disables certain effects for a more responsive experience.

KDE Plasma 6.3.3 further resolves a crash by properly deactivating the updater whenever the backend invalidates. Meanwhile, sorting updates case-insensitively prevents confusion in offline update lists.

Flatpak users will appreciate that end-of-life runtimes are no longer incorrectly marked for removal and that the details view is now consistently accurate when reading changelogs.

The Info Center app has also received its fair share of improvements. Specifically, the “About” section clarifies why Vulkan device counts may differ from the number of DRM devices, while OpenGL GPU loading is handled more gracefully on NVIDIA-based systems.

KDE Plasma 6.3.3 Desktop Environment
KDE Plasma 6.3.3 Desktop Environment

Other key bug fixes and refinements appear in multiple modules:

  • kpipewire: A fix for source item context invocation ensures more reliable audio and video stream handling.
  • krdp: Systemd startup is repaired to prevent connection issues.
  • kscreenlocker: A small but crucial adjustment now properly registers DBus meta types for shortcuts.

KWin, the window manager powering Plasma, receives an array of stability fixes and functionality improvements. For instance, a patch now properly resets buffer age when switching swapchains in the DRM backend, eliminating screen flickering.

Furthermore, the handling of window stacking and the accurate reporting of multiple modifiers have also been improved. In addition, the environment now detects certain changes in kdeglobals to automatically update Xwayland scaling, streamlining display configuration for Wayland users.

Plasma Mobile users will see robust scaling options and a new system navigation module during initial setups, making the overall setup process more flexible. The Plasma Audio Volume Control applet also now avoids initial clutter by preventing inactive pages from showing up prematurely.

In the broader Plasma Workspace, refinements to system tray behavior and enhanced clipboard handling in Klipper deliver a better day-to-day experience. You might also notice that Kalendar has been rebranded to Merkuro Calendar, aligning with updated naming conventions in the KDE ecosystem.

Lastly, when certain sleep-blocking settings are enabled, PowerDevil, the KDE’s power management service, now issues clearer warnings about high energy consumption. Dell laptop owners, among others, benefit from improved charge threshold support. Print Manager, QQC2 Breeze Style, and Spectacle each receive minor but welcome fixes, further polishing the user experience.

For more information, refer to the release announcement or visit Plasma 6.3.3’s full changelog.

Bobby Borisov

Bobby Borisov

Bobby, an editor-in-chief at Linuxiac, is a Linux professional with over 20 years of experience. With a strong focus on Linux and open-source software, he has worked as a Senior Linux System Administrator, Software Developer, and DevOps Engineer for small and large multinational companies.