diff --git a/w-engine/plugin.toml b/w-engine/plugin.toml
index b47c3586..627c014d 100644
--- a/w-engine/plugin.toml
+++ b/w-engine/plugin.toml
@@ -1,6 +1,6 @@
 id = "tadomika_ari/w-engine"
 name = "W Engine"
-version = "1.2.0"
+version = "1.3.0"
 # Tile and control callbacks are Luau closures rather than named globals, which
 # the host resolves from plugin API 9 onwards.
 plugin_api = 9
diff --git a/w-engine/start.luau b/w-engine/start.luau
index 32eccac2..ffb70af4 100644
--- a/w-engine/start.luau
+++ b/w-engine/start.luau
@@ -61,6 +61,21 @@ local lastNonce = nil
 local workshopRoot = nil
 local rngState = 0
 
+-- Get All output for all fonctionnality --
+
+local allOutputs = nil
+local isAllOutputs = false
+
+local function getAllOutput()
+	local outputs = {}
+	for index, output in ipairs(noctalia.outputs()) do
+		table.insert(outputs, output.name)
+	end
+    return outputs
+end
+
+allOutputs = getAllOutput()
+
 local function tr(key, subst)
 	if subst then
 		return noctalia.tr(key, subst)
@@ -593,7 +608,7 @@ local function handleRequest(request)
 	end
 	lastNonce = request.nonce
 
-	local output = request.output
+	local output = request.output			-- here
 	if type(output) ~= "string" or output == "" then
 		output = noctalia.focusedOutputName()
 	end
@@ -601,12 +616,46 @@ local function handleRequest(request)
 		return
 	end
 
+	if output == "All" then
+		isAllOutputs = true
+	end
+	if output ~= "All" then
+		isAllOutputs = false
+	end
+
 	local action = request.action
 	if action == "apply" then
+		if isAllOutputs then 				-- loop for All Output
+			for _, outputForAll in ipairs(allOutputs) do
+				setCycle(outputForAll, false)
+				apply(outputForAll, request.id)
+			end
+			return
+		end
 		-- A one-shot pick takes over from any cycle on that output.
 		setCycle(output, false)
 		apply(output, request.id)
+
 	elseif action == "select" then
+		
+		if isAllOutputs then				-- loop for All Output
+			for _, outputForAll in ipairs(allOutputs) do
+				local ids = {}
+				if type(request.ids) == "table" then
+					for _, id in ipairs(request.ids) do
+						if type(id) == "string" and id ~= "" then
+							table.insert(ids, id)
+						end
+					end
+				end
+				data.selection[outputForAll] = ids
+				shuffled[outputForAll] = nil
+				saveData()
+				publishStatus()
+			end
+			return
+		end
+
 		local ids = {}
 		if type(request.ids) == "table" then
 			for _, id in ipairs(request.ids) do
@@ -619,7 +668,34 @@ local function handleRequest(request)
 		shuffled[output] = nil
 		saveData()
 		publishStatus()
+
 	elseif action == "cycle" then
+
+		if isAllOutputs then					-- loop for All Output
+			for _, outputForAll in ipairs(allOutputs) do
+				setCycle(outputForAll, request.enabled, request.minutes, request.order)
+				local cycle = cycleFor(outputForAll)
+				if cycle.enabled then
+					local ids = selectionFor(outputForAll)
+					if #ids == 0 then
+						setCycle(outputForAll, false)
+						noctalia.notify(tr("panel.title"), tr("panel.cycle_needs_selection"))
+					else
+						-- Start on the first pick straight away rather than leaving the
+						-- previous wallpaper up for a whole interval.
+						local first = cycle.order == "random" and nextRandom(outputForAll, ids) or ids[1]
+						apply(outputForAll, first)
+						noctalia.notify(
+							tr("panel.title"),
+							tr("panel.cycle_started", { count = #ids, minutes = cycle.minutes })
+						)
+					end
+				end
+				publishStatus()
+			end
+			return
+		end
+
 		setCycle(output, request.enabled, request.minutes, request.order)
 		local cycle = cycleFor(output)
 		if cycle.enabled then
@@ -640,6 +716,21 @@ local function handleRequest(request)
 		end
 		publishStatus()
 	elseif action == "stop" then
+		
+		if isAllOutputs then
+			for _, outputForAll in ipairs(allOutputs) do
+				
+				setCycle(outputForAll, false)
+				data.current[outputForAll] = nil
+				saveData()
+				stopProcess(outputForAll, nil)
+				restoreShellWallpaper(outputForAll)
+				publishStatus()
+
+			end
+			return
+		end
+
 		setCycle(output, false)
 		data.current[output] = nil
 		saveData()
diff --git a/w-engine/w-engine-panel.luau b/w-engine/w-engine-panel.luau
index 529b6c4b..91513376 100644
--- a/w-engine/w-engine-panel.luau
+++ b/w-engine/w-engine-panel.luau
@@ -78,6 +78,9 @@ local function tr(key, subst)
 	return noctalia.tr(key)
 end
 
+-- Get All output for all fonctionnality --
+
+
 -- ── Workshop discovery ───────────────────────────────────────────────────────
 
 local function candidateRoots()
@@ -216,6 +219,26 @@ local function outputStatus()
 	return type(entry) == "table" and entry or {}
 end
 
+
+local function hasStopState()		-- check for render stop button
+	if outputName ~= "All" then
+		local state = outputStatus()
+		return state.current ~= nil or state.restorable == true
+	end
+
+	local outputs = type(status) == "table" and status.outputs or nil
+	if type(outputs) ~= "table" then
+		return false
+	end
+
+	for _, entry in pairs(outputs) do
+		if type(entry) == "table" and (entry.current ~= nil or entry.restorable == true) then
+			return true
+		end
+	end
+	return false
+end
+
 local function storedDefaults()
 	return asTable(asTable(status.defaults).engine)
 end
@@ -553,7 +576,6 @@ local ENGINE_TOGGLES = {
 -- ── Rendering ────────────────────────────────────────────────────────────────
 
 local function header()
-	local state = outputStatus()
 	local children = {
 		ui.label({
 			text = tr("panel.title"),
@@ -575,7 +597,7 @@ local function header()
 		}),
 	}
 
-	if state.current or state.restorable then
+	if hasStopState() then
 		table.insert(
 			children,
 			ui.button({
@@ -597,6 +619,10 @@ local function header()
 			selectedIndex = index - 1
 		end
 	end
+	table.insert(outputs, "All")
+	if outputName == "All" then
+		selectedIndex = #outputs - 1
+	end
 	table.insert(children, ui.select({ options = outputs, selectedIndex = selectedIndex, onChange = "outputSelected" }))
 	table.insert(
 		children,