* `always-on-top` Boolean - Whether the window should always stay on top of
other windows.
* `fullscreen` Boolean - Whether the window should show in fullscreen. When
- set to `false` the fullscreen button will also be hidden on OS X.
+ set to `false` the fullscreen button will be hidden or disabled on OS X.
* `skip-taskbar` Boolean - Whether to show the window in taskbar.
* `kiosk` Boolean - The kiosk mode.
* `title` String - Default window title.