Omen will now remember its visible state when you log out (applicable only if auto-show/hide is off).

Omen.lua

@@ -266,6 +266,7 @@ local function stopmoving(self)
 		Omen:UpdateBars()
 		Omen.Anchor.IsMovingOrSizing = nil
 	end
+	if self == Omen.Anchor then db.Shown = self:IsShown() end
 end
 local function sizing(self)
 	local w = Omen.Anchor:GetWidth()
@@ -325,6 +326,7 @@ function Omen:CreateFrames()
 	self.Anchor:SetWidth(225)
 	self.Anchor:SetHeight(150)
 	self.Anchor:SetScript("OnHide", stopmoving)
+	self.Anchor:SetScript("OnShow", function(self) db.Shown = true end)
 
 	-- Create Title
 	self.Title = CreateFrame("Button", "OmenTitle", self.Anchor)
@@ -474,6 +476,7 @@ function Omen:PLAYER_LOGIN()
 	self:UpdateGrips()
 	self:ClearAll()
 	self:UnregisterEvent("PLAYER_LOGIN")
+	if not db.Shown then self.Anchor:Hide() end -- Auto-show/hide will override this later if enabled
 
 	if LDB then
 		OmenLauncher = LDB:NewDataObject("Omen", {
@@ -1289,7 +1292,7 @@ local function updatethreat(unitid, mobunitid)
 	local guid = UnitGUID(unitid)
 	if guid and not threatTable[guid] then
 		local isTanking, state, scaledPercent, rawPercent, threatValue = UnitDetailedThreatSituation(unitid, mobunitid)
-		-- Threat can be negative due to temporary threat reduction effects such as Fade and Mirror Image.
+		-- Threat can be negative due to temporary threat reduction effects such as Fade and Mirror Image (-410057408).
 		-- So we cap the minimum threat to display at 0. We use the special value -1 to indicate nil here.
 		threatTable[guid] = (threatValue and (threatValue >= 0 and threatValue or 0)) or -1
 		if threatValue and threatValue > topthreat then topthreat = threatValue end