KDE Plasma 5.5.3 发布，带来20项更新：
Breeze
For standard configuration, rely on KCoreConfigSkeleton::load and ::save. Commit. Fixes bug #357135
Call updateButtonGeometry after decorationButtonsLeftChanged and decorationButtonsRightChanged. Commit. Fixes bug #356869
Breeze GTK
Relax cmake version requirement to rest of plasma. Commit. Code review #126477
KDE Hotkeys
Add vertical stretch to prevent DBus shortcut configuration from expanding. Commit.
Fix comparison of QString to QKeySequence. Commit.
Oxygen
Fixed compilation for kde4. Commit.
Removed useless oxygenutil. Commit.
For standard configuration, rely on KCoreConfigSkeleton::load and ::save. Commit. Fixes bug #357135
Call updateButtonGeometry after decorationButtonsLeftChanged and decorationButtonsRightChanged. Commit. Fixes bug #356869
Plasma Desktop
Fix icon hover effect breaking after Dashboard was used. Commit.
Use Oxygen sound instead of sound from kdelibs4's kde-runtime. Commit.
Use the right graphics for min and max sliders. Commit. Fixes bug #356790. Code review #126498
Fix bug 356946 - user avatar in Phonon isn't shrinked. Commit. Code review #126438. Fixes bug #356946
Don't instanciate thumbnail delegates when tooltips are off. Commit.
Plasma Workspace
[KUIserver] Return the proper value. Commit.
[notifications] Refactor the screen handling code. Commit. Code review #126408. See bug #353966. See bug #356461
Set root context properties on the right context. Commit. Fixes bug #356545. Fixes bug #355885. Fixes bug #356916. Code review #126491
Use proper deleters for libxcb structs. Commit. Code review #126512
Guard against applet failing to load in systemtray task. Commit. Fixes bug #356470. Code review #126497
Destroy the container window we create. Commit.
KDE，K桌面环境(Kool Desktop Environment)的缩写。一种著名的运行于 Linux、Unix 以及FreeBSD 等操作系统上面自由图形工作环境，整个系统采用的都是 TrollTech 公司所开发的 Qt 程序库。KDE 和 Gnome 都是 Linux 操作系统上最流行的桌面环境系统。
软件详情：https://www.kde.org/announcements/plasma-5.5.2-5.5.3-changelog.php
来自:开源中国社区
