`unique-on-single-value`

Subject: UNIQUE
Category: value
Formula: =UNIQUE({5;5;5})
Canonical: 5

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	match	5
excel	match	5
lattice	match	5
ironcalc	diverge	#NAME?
hyperformula	diverge	#NAME?
libreoffice	diverge	—
formulas	match	5
pycel	diverge	#NAME?