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.

更多内容请看：complete change-log