-International US-QWERTY layout with AltGr dead keys via AutoHotkey script (Windows).
+International US-QWERTY layout with AltGr dead keys via AutoHotkey script and compiled KLC version (Windows).
In UltimateKEYS, all keys remain exactly organized as US-QWERTY. Except, when AltGr or AltGr+Shift is pressed in combination with another key, other diacritics and symbols are accessible and some keys become dead keys.