KDE Plasma 6.6.3, Bugfix Release for March

Today KDE releases a bugfix update to KDE Plasma 6, versioned 6.6.3.

Plasma 6.6 was released in February 2026 with many feature refinements and new modules to complete the desktop experience.

This release adds two weeks’ worth of new translations and fixes from KDE’s contributors. The bugfixes are typically small but important and include: