KDE Plasma 5.21.4, Bugfix Release for April

[mkm19930608]

Plasma 5.21.4 Complete Changelog

Bluedevil

• [applet] Fix tooltip showing wrong name for connected device. Commit. Fixes bug #422691

KScreen

• Prefer “21:9” over “64:27” aspect ratio. Commit.

kwayland-server

• Send current primary selection after introducing focused surface. Commit.
• Fix management of keymap files. Commit.
• Fix a typo. Commit.

KWin

• Platforms/drm: Fix crash in EglGbmBackend::presentOnOutput(). Commit.
• Fix crash on hotplugging displays while switched to another TTY. Commit. Fixes bug #435388

libksysguard

• Use lld instead of Ld as format specifier. Commit. Fixes bug #418142
• Emit also dataChanged when sensor colors are changed. Commit.
• Assign a new color when configuring sensor colors. Commit. Fixes bug #434515
• SensorFaceController: Save on destruction if the face requests it. Commit. Fixes bug #433768. Fixes bug #433536. Fixes bug #434005

Milou

• Set RunnerManager runnerWindow variable if it is available. Commit. See bug #433173

Plasma Desktop

• Fixup! fix broken keyboard configurations with single layout on Wayland. Commit.
• Fix broken keyboard configurations with single layout on Wayland. Commit. Fixes bug #433576
• Fix zero badges (eg when downloading small files with Firefox). Commit.
• [applets/kickoff] Make section headers more section headery. Commit. Fixes bug #434669

Plasma Firewall

• Add a message and disable the firewall on forced failure. Commit.
• Fix crash while re-entering the firewall KCM. Commit.

Plasma Networkmanager (plasma-nm)

• Fix bug with openfortivpn that do not support 2fa. Commit. Fixes bug #434940

Plasma Audio Volume Control

• Round volume to avoid increasing or decreasing by more than stepSize. Commit. Fixes bug #434769

Plasma Phone Components

• Lockscreen: Accept pin on numpad enter. Commit.
• Fix typo. Commit.

Plasma Systemmonitor

• Fix scrollbar overlapping configuration page. Commit. Fixes bug #434461

plasma-vault

• [applet] Allow subtitle to wrap. Commit.

Plasma Workspace

• Make sure that *m_twinSpacer is iniitialized in panelspacer. Commit. Fixes bug #422914
• Comment was interpreted as part of Restart. Commit.
• [applets/digital-clock] Fix timezone placeholder message positioning. Commit.
• Icons kcm: Clear pending deletions when Defaults button is clicked. Commit.
• Remove pointless widget. Commit. Fixes bug #434910
• Krunner: Restore history related property and methods for compatibility with third party themes. Commit. Fixes bug #433173
• Make bottom frame again visible. Commit. Fixes bug #434645
• Fix color scheme preview. Commit. Fixes bug #434493
• Save layout when corona startup is completed. Commit. Fixes bug #433799
• Klipper Waylandclipboard: force offer of specific mimetype to fix pasting to gtk applications. Commit.

SDDM KCM

• Fix broken commit to fix build. Commit.
• Use default app font if there’s no “font” entry. Commit.

[Aui (暮光的白杨)]

最近一次滚动更新（maybe 20210408）中，KDE 把之前删除的超级用户模式（以 root 权限运行 dolphin ）又加了回来（成了一个默认组件）：

[mkm19930608]