[Alt-tab] Adjust number of "primary" items.
[Alt-Tab] Individual sizing of each icon slot.
[Alt-tab] Icons belonging to other workspaces are sized smaller.
[Alt-Tab] New shortcut: Ctrl+Home selects the window where you activated Alt-Tab from.

This is mostly useful if you have many windows open, potentially on many workspaces,
if you have strayed far from the initial selection.