KWin/Changelog 5

• Code base uses C++11
• Port to Qt 5 and KDE Frameworks 5
• Support for "native" graphics system in Qt got removed
• DBus interface got cleaned up, deprecated methods are removed
• New Window Switcher mode which puts thumbnails into a sidebar
• New Background Contrast Effect
• Lanczos Filter does no longer check the graphics effects level
• Libkdecoration received cleanup and various new API features
• kwin_gles does not exist any more, KWin follows Qt's OpenGL choice
• Window Decoration configuration module can render interactive previews for QWidget based decorations (e.g. Oxygen)
• Window Decoration (and Alt+F3 menu) can follow the color scheme from the decorated window
• Window Specific Rule to specify the color scheme for the window decoration of a given window
• KWin effects specify an URL to a demo video (used by new effect configuration module)
• Client uses QIcon instead of set of QPixmap for the window's icon
• Better support for windows of type notification
• Built-in effects are no longer provided as a plugin, but linked against KWin
• KWin is kept responsive while the effects are getting loaded
• Wayland backend for the XRender scene
• QPainter based compositor for Wayland
• Better detection on when KWin should use Wayland
• Compositing gets enforced in Wayland mode
• Support for Client showing on ScreenEdge, see KWin/Screen_Edges