• The Preferred Match option isn't hidden in one case (combination of trigger.showClones, trigger.combinePerUnit and trigger.perUnitMode). "trigger.perUnitMode == "unaffected"" isn't taken into account. Look at that option, which works properly.

• These options (1 and 2) are displayed even when I select a buff as aura type.

• Typo in name. It should be "Class"

• Could you set double width for these options (1 and 2)? There are no other options on the line that they are on. So it looks strange, if text doesn't fit in the provided space (I mean translation).

The debuffClass is intentionally also visible for buffs.

For the unitExists option, I've made it wider for Bufftrigger2, but not for BuffTrigger.lua. Only critical bugs are fixed in that code.