diff --git a/backends/kwayland/waylandconfig.cpp b/backends/kwayland/waylandconfig.cpp
--- a/backends/kwayland/waylandconfig.cpp
+++ b/backends/kwayland/waylandconfig.cpp
@@ -226,7 +226,9 @@
     // TODO: do this setScreen call less clunky
     m_kscreenConfig->setScreen(m_screen->toKScreenScreen(m_kscreenConfig));
 
-    auto features = Config::Feature::Writable | Config::Feature::PerOutputScaling;
+    const Config::Features features = Config::Feature::Writable |
+                                      Config::Feature::PerOutputScaling |
+                                      Config::Feature::OutputReplication;
     m_kscreenConfig->setSupportedFeatures(features);
     m_kscreenConfig->setValid(m_connection->display());
 
diff --git a/backends/kwayland/waylandoutput.h b/backends/kwayland/waylandoutput.h
--- a/backends/kwayland/waylandoutput.h
+++ b/backends/kwayland/waylandoutput.h
@@ -71,10 +71,12 @@
 private:
     void showOutput();
     QString modeName(const KWayland::Client::OutputDevice::Mode &m) const;
+    int getReplicationSource() const;
 
     quint32 m_id;
     KWayland::Client::OutputDevice *m_device;
     KWayland::Client::Registry *m_registry;
+    WaylandConfig *m_config;
 
     // left-hand-side: KScreen::Mode, right-hand-side: KWayland's mode.id
     QMap<QString, int> m_modeIdMap;
diff --git a/backends/kwayland/waylandoutput.cpp b/backends/kwayland/waylandoutput.cpp
--- a/backends/kwayland/waylandoutput.cpp
+++ b/backends/kwayland/waylandoutput.cpp
@@ -56,6 +56,7 @@
     : QObject(parent)
     , m_id(id)
     , m_device(nullptr)
+    , m_config(parent)
 {
 }
 
@@ -95,6 +96,19 @@
     return output;
 }
 
+int WaylandOutput::getReplicationSource() const
+{
+    const auto uuid = m_device->replicationSource();
+    if (!uuid.isEmpty()) {
+        for (auto waylandOutput : m_config->outputMap()) {
+            if (uuid == waylandOutput->outputDevice()->uuid()) {
+                return waylandOutput->id();
+            }
+        }
+    }
+    return 0;
+}
+
 void WaylandOutput::updateKScreenOutput(OutputPtr &output)
 {
     // Initialize primary output
@@ -106,6 +120,7 @@
     output->setSizeMm(m_device->physicalSize());
     output->setPos(m_device->globalPosition());
     output->setRotation(s_rotationMap[m_device->transform()]);
+    output->setReplicationSource(getReplicationSource());
 
     ModeList modeList;
     QStringList preferredModeIds;
@@ -189,6 +204,19 @@
         wlConfig->setTransform(m_device, toKWaylandTransform(output->rotation()));
     }
 
+    // replication
+    const QByteArray oldSourceUuid = m_device->replicationSource();
+    if (output->replicationSource() != 0) {
+        auto *newSource = m_config->outputMap()[output->replicationSource()]->outputDevice();
+        if (oldSourceUuid != newSource->uuid()) {
+            changed = true;
+            wlConfig->setReplicationSource(m_device, newSource);
+        }
+    } else if (!oldSourceUuid.isEmpty()) {
+        changed = true;
+        wlConfig->setReplicationSource(m_device, nullptr);
+    }
+
     // mode
     if (m_modeIdMap.contains(output->currentModeId())) {
         const int newModeId = m_modeIdMap.value(output->currentModeId(), -1);
diff --git a/backends/kwayland/waylandscreen.cpp b/backends/kwayland/waylandscreen.cpp
--- a/backends/kwayland/waylandscreen.cpp
+++ b/backends/kwayland/waylandscreen.cpp
@@ -45,8 +45,8 @@
 
     QRect r;
     for (const auto *out : outputs) {
-        if (out->enabled()) {
-            const auto *dev = out->outputDevice();
+        const auto *dev = out->outputDevice();
+        if (out->enabled() && dev->replicationSource() == nullptr) {
             r |= QRect(dev->globalPosition(), dev->pixelSize() / dev->scale());
         }
     }
diff --git a/src/configserializer.cpp b/src/configserializer.cpp
--- a/src/configserializer.cpp
+++ b/src/configserializer.cpp
@@ -92,6 +92,7 @@
     obj[QLatin1String("clones")] = serializeList(output->clones());
     //obj[QLatin1String("edid")] = output->edid()->raw();
     obj[QLatin1String("sizeMM")] = serializeSize(output->sizeMm());
+    obj[QLatin1String("replicationSource")] = output->replicationSource();
 
     QJsonArray modes;
     Q_FOREACH (const ModePtr &mode, output->modes()) {
@@ -251,6 +252,8 @@
             output->setPrimary(value.toBool());
         } else if (key == QLatin1String("clones")) {
             output->setClones(deserializeList<int>(value.value<QDBusArgument>()));
+        } else if (key == QLatin1String("replicationSource")) {
+            output->setReplicationSource(value.toInt());
         } else if (key == QLatin1String("sizeMM")) {
             output->setSizeMm(deserializeSize(value.value<QDBusArgument>()));
         } else if (key == QLatin1String("modes")) {