KDE Plasma 6.4.3 has been officially released, featuring a range of bug fixes and enhancements. The update features a comprehensive changelog, newly added translations, and various fixes contributed by KDE's team.

The bug fixes encompass a comprehensive changelog for ActionListItem, Kwin/windowswitchers, kpipewire, Rdpconnection, KScreen, Hdrcalibrator, KWin, Wayland, Plugins/magnifier, Cmake, A11yKeyboardMonitor, Tablet, Backends/drm, Wayland, Xdgshellwindow, Workspace, Utils/edid, OutputConfigurationStore, Xwayland, kwin-x11, libplasma, Lockscreen, Applets/showdesktop, Widget Explorer, Kcms/workspaceoptions, Plasma Desktop, Plasma Mobile, DeviceNotifer, Servicerunner, Kcms/componentchooser, Cmake, polkit-kde-agent-1, and spectacle. The release also resolves issues related to the Plasma Desktop, including the lockscreen, minimizeAll function, Widget Explorer, and Xwayland. The KDE Community has made significant contributions to the release, guaranteeing a consistent and stable desktop experience.

KDE Plasma 6.4.3, Bugfix Release for July

Today KDE releases a bugfix update to KDE Plasma 6, versioned 6.4.3.

Plasma 6.4 was released in June 2025 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:

Plasma 6.4.3 Complete Changelog

Discover

• ActionListItem: highlight on press too.  Commit.

Plasma Addons

• Kwin/windowswitchers: Use popup window type.  Commit. Fixes bug  #457913
• [runners/converter] Adjust Qt version check.  Commit.
• Align with project root minimum versions and don't search for Qt5(!).  Commit.

kpipewire

• Declare QtOpenGL dependency.  Commit.

krdp

• Rdpconnection: don't crash on closing invalid connections.  Commit.

KScreen

• Hdrcalibrator: enable kcrash.  Commit.

KWin

• Guard against internal window being null when dispatching tablet events.  Commit. Fixes bug  #506886
• Fix "activate and raise" action with panels.  Commit. Fixes bug  #461414
• Wayland: close popups upon window activation.  Commit. Fixes bug  #497075
• Wayland: Fix resizing with fractional increments.  Commit.
• Plugins/magnifier: Constrain zoom factors.  Commit. Fixes bug  #506549
• Cmake: install wayland/textinput.h.  Commit.
• A11yKeyboardMonitor: Distinguish modifier and other key.  Commit. Fixes bug  #506715
• Tablet: Fix sending delta for relative dials.  Commit.
• Backends/drm: Fix memory leak in DrmGpu::createNonMasterFd.  Commit.
• Backends/drm: never use DEGAMMA_LUT.  Commit. Fixes bug  #505869
• Wayland: Remove buffer checks in xdg_surface and layer_surface factory requests.  Commit. Fixes bug  #506412
• Backends/drm: don't use UUID to identify outputs.  Commit. Fixes bug  #493879. Fixes bug  #506135. Fixes bug  #505953
• Xdgshellwindow: Reset gravity on interactive resize finish.  Commit.
• Workspace: Fix window activation on activity change.  Commit. Fixes bug  #501393
• Utils/edid: also read edid colorimetry.  Commit. Fixes bug  #505971
• OutputConfigurationStore: Don't auto-generate low-but-not-1 scale factors.  Commit.
• Backends/virtual: use explicit modifiers for egl.  Commit.
• A11yKeyboardMonitor: Fix sending keycodes to AT.  Commit. Fixes bug  #506445
• Xwayland: don't forward left/middle/right mouse buttons to Xwayland.  Commit. See bug  #490057

kwin-x11

• Workspace: Fix window activation on activity change.  Commit. Fixes bug  #501393
• Drop unused FindLibcap.cmake.  Commit.
• Drop finding Libcap.  Commit.

libplasma

• Always prefer to use package metadata over plugin metadata.  Commit.
• Catch error in SharedQmlEngine::createObjectFromComponent.  Commit. See bug  #506758
• Declarativeimports: Register QQuickWindow with revision 2.  Commit. See bug  #506502

Plasma Desktop

• Lockscreen: prevent immediate prompting for the password.  Commit. Fixes bug  #499637
• Applets/showdesktop: fix minimizeAll.  Commit. Fixes bug  #506734
• Widget explorer: delete icon on the uninstall button.  Commit. Fixes bug  #506818
• Kcms/workspaceoptions: Wrap other options text.  Commit.

plasma-mobile

• Initialstart: Fix wallpaper path.  Commit.
• Add model.isSupported checking.  Commit.

plasma-welcome

• Give tab focus to page content label.  Commit.
• Make PlasmaFeatureCard accessible.  Commit.
• Make pseudo-buttons based on AbstractButton.  Commit.

Plasma Workspace

• Applets/devicenotifer: fix the wrong message when unmounting a device.  Commit.
• [appmenu] Better error message.  Commit.
• Servicerunner: repair removing favorties at runtime.  Commit.
• Kcms/componentchooser: Don't offer NoDisplay services.  Commit.
• Cmake: don't depend on xdotool when building without x11.  Commit.
• Do not emit OOM notifications on systemd services reload.  Commit. Fixes bug  #502279
• Applets/devicenotifer: don't do check if a device is already mounted.  Commit.

polkit-kde-agent-1

• Fix: mitigate pam race condition (BUG: 505239).  Commit.

spectacle

• Don't use LayerShellQt::useLayerShell().  Commit. Fixes bug  #506619

KDE Plasma 6.4.3, Bugfix Release for July - KDE Community