 It also means that compositing window managers are inherently more resource-hungry than an equivalently-powerful stacking window manager.For this reason, some window managers for X do not support compositing by default, such as Openbox.Compositing in Lubuntu

Historically, the Amiga in 1985, OSX in 2001, Java Looking Glass in 2003, and the Windows Longhorn demo in 2003 (delayed until Vista in 2007) preceded compositing efforts under X11.Compositing window managers for X include