don't show thumbnail behind icon under some circumstances
simpler multi-variable assignment
let window hotkey numbering start from 1
small menu enhancements

add context-menu separator, disable default "Configure..." menu, add dots

more
Don't show our own "Settings" menu, there is now a "Configuration" menu by default (from 1.9.2)
don't restrict "display-origin-arrow" to global-workspace mode
fix problem with origin-arrow overlaying multi-line window titles
implement "switch-group" binding, showing only the windows of the same wm-class as the currently focused window
fade out the previous in-place thumbnail or preview, and fade in the new one, to reduce flicker
clear previews unconditionally when scrolling between different windows
don't try to emulate legacy alttab-switcher styles
handle left and right arrow on release instead of press, makes for precise selection due to no key repeat
documentation update