diff --git a/effects/morphingpopups/package/metadata.desktop b/effects/morphingpopups/package/metadata.desktop
index e98bc2f035..9ce53e7cf4 100644
--- a/effects/morphingpopups/package/metadata.desktop
+++ b/effects/morphingpopups/package/metadata.desktop
@@ -14,6 +14,7 @@ Comment[nn]=Krysstoningsanimasjon når hjelpebobler eller varslingar endrar form
 Comment[pl]=Animacja zanikania przy zmianie geometrii wskazówek lub powiadomień
 Comment[pt]=Animar o desvanecimento quando as dicas ou notificações mudarem de tamanho
 Comment[pt_BR]=Animar a transição suave quando as dicas ou notificações mudarem de tamanho
+Comment[ru]=При изменении формы всплывающих подсказок или уведомлений они плавно растягиваются или сжимаются
 Comment[sk]=Prelínacia animácia pri tooltipoch alebo notifikáciách pri zmene ich geometrie
 Comment[sl]=Animacija navzkrižnega pojemanja ob spremembi geometrije orodnih namigov in obvestil
 Comment[sr]=Анимација претапања када облачићи или обавештења мењају геометрију
@@ -40,6 +41,7 @@ Name[nn]=Formendring for sprettoppvindauge
 Name[pl]=Morfing elementów wysuwnych
 Name[pt]=Mensagens com mudança de forma
 Name[pt_BR]=Mensagens com mudança de forma
+Name[ru]=Анимация преобразования всплывающих окон
 Name[sk]=Vysúvať vyskakovacie okná
 Name[sl]=Prehajajoča pojavna okna
 Name[sr]=Претапајући искакачи
diff --git a/main_wayland.cpp b/main_wayland.cpp
index 6f74ba392f..ecb649bc03 100644
--- a/main_wayland.cpp
+++ b/main_wayland.cpp
@@ -135,7 +135,7 @@ void ApplicationWayland::createBackend()
     connect(platform(), &Platform::initFailed, this,
         [] () {
             std::cerr <<  "FATAL ERROR: backend failed to initialize, exiting now" << std::endl;
-            ::exit(1);
+            QCoreApplication::exit(1);
         }
     );
     platform()->init();
diff --git a/plugins/platforms/drm/drm_backend.cpp b/plugins/platforms/drm/drm_backend.cpp
index c15f3f4f44..fd0240f80b 100644
--- a/plugins/platforms/drm/drm_backend.cpp
+++ b/plugins/platforms/drm/drm_backend.cpp
@@ -237,6 +237,11 @@ void DrmBackend::openDrm()
     );
     m_drmId = device->sysNum();
     queryResources();
+    if (m_outputs.isEmpty()) {
+        qCWarning(KWIN_DRM) << "No outputs, cannot render, will terminate now";
+        emit initFailed();
+        return;
+    }
 
     // setup udevMonitor
     if (m_udevMonitor) {
@@ -315,7 +320,11 @@ void DrmBackend::queryResources()
             drmOutput->m_mode = connector->modes[0];
         }
         drmOutput->m_connector = connector->connector_id;
-        drmOutput->init(connector.data());
+        if (!drmOutput->init(connector.data())) {
+            qCWarning(KWIN_DRM) << "Failed to create output for connector " << connector->connector_id;
+            delete drmOutput;
+            continue;
+        }
         qCDebug(KWIN_DRM) << "Found new output with uuid" << drmOutput->uuid();
         connectedOutputs << drmOutput;
     }
@@ -339,7 +348,9 @@ void DrmBackend::queryResources()
     }
     m_outputs = connectedOutputs;
     readOutputsConfiguration();
-    emit screensQueried();
+    if (!m_outputs.isEmpty()) {
+        emit screensQueried();
+    }
 }
 
 void DrmBackend::readOutputsConfiguration()
diff --git a/plugins/platforms/drm/drm_output.cpp b/plugins/platforms/drm/drm_output.cpp
index 31f563d6be..69b1ed6c41 100644
--- a/plugins/platforms/drm/drm_output.cpp
+++ b/plugins/platforms/drm/drm_output.cpp
@@ -180,13 +180,15 @@ static DrmOutput::DpmsMode fromWaylandDpmsMode(KWayland::Server::OutputInterface
     }
 }
 
-void DrmOutput::init(drmModeConnector *connector)
+bool DrmOutput::init(drmModeConnector *connector)
 {
     initEdid(connector);
     initDpms(connector);
     initUuid();
     m_savedCrtc.reset(drmModeGetCrtc(m_backend->fd(), m_crtcId));
-    blank();
+    if (!blank()) {
+        return false;
+    }
     setDpms(DpmsMode::On);
     if (!m_waylandOutput.isNull()) {
         delete m_waylandOutput.data();
@@ -287,6 +289,7 @@ void DrmOutput::init(drmModeConnector *connector)
     m_waylandOutput->create();
     qCDebug(KWIN_DRM) << "Created OutputDevice";
     m_waylandOutputDevice->create();
+    return true;
 }
 
 void DrmOutput::initUuid()
@@ -318,14 +321,17 @@ bool DrmOutput::isCurrentMode(const drmModeModeInfo *mode) const
         && qstrcmp(mode->name, m_mode.name) == 0;
 }
 
-void DrmOutput::blank()
+bool DrmOutput::blank()
 {
     if (!m_blackBuffer) {
         m_blackBuffer = m_backend->createBuffer(size());
-        m_blackBuffer->map();
+        if (!m_blackBuffer->map()) {
+            cleanupBlackBuffer();
+            return false;
+        }
         m_blackBuffer->image()->fill(Qt::black);
     }
-    setMode(m_blackBuffer);
+    return setMode(m_blackBuffer);
 }
 
 bool DrmOutput::setMode(DrmBuffer *buffer)
diff --git a/plugins/platforms/drm/drm_output.h b/plugins/platforms/drm/drm_output.h
index e021f60017..628bb5da95 100644
--- a/plugins/platforms/drm/drm_output.h
+++ b/plugins/platforms/drm/drm_output.h
@@ -61,9 +61,9 @@ public:
     void moveCursor(const QPoint &globalPos);
     bool present(DrmBuffer *buffer);
     void pageFlipped();
-    void init(drmModeConnector *connector);
+    bool init(drmModeConnector *connector);
     void restoreSaved();
-    void blank();
+    bool blank();
 
     /**
      * This sets the changes and tests them against the DRM output
diff --git a/plugins/platforms/fbdev/fb_backend.cpp b/plugins/platforms/fbdev/fb_backend.cpp
index fc7ed42c78..370ad43da1 100644
--- a/plugins/platforms/fbdev/fb_backend.cpp
+++ b/plugins/platforms/fbdev/fb_backend.cpp
@@ -92,6 +92,7 @@ void FramebufferBackend::openFrameBuffer()
     }
     m_fd = fd;
     queryScreenInfo();
+    initImageFormat();
     setReady(true);
     emit screensQueried();
 }
@@ -153,9 +154,14 @@ void FramebufferBackend::unmap()
 }
 
 QImage::Format FramebufferBackend::imageFormat() const
+{
+    return m_imageFormat;
+}
+
+void FramebufferBackend::initImageFormat()
 {
     if (m_fd < 0) {
-        return QImage::Format_Invalid;
+        return;
     }
 
     qCDebug(KWIN_FB) << "Bits Per Pixel: " << m_bitsPerPixel;
@@ -178,7 +184,7 @@ QImage::Format FramebufferBackend::imageFormat() const
             m_green.offset == 8 &&
             m_red.offset == 16) {
         qCDebug(KWIN_FB) << "Framebuffer format is RGB32";
-        return QImage::Format_RGB32;
+        m_imageFormat = QImage::Format_RGB32;
     } else if (m_bitsPerPixel == 24 &&
             m_red.length == 8 &&
             m_green.length == 8 &&
@@ -187,7 +193,8 @@ QImage::Format FramebufferBackend::imageFormat() const
             m_green.offset == 8 &&
             m_red.offset == 16) {
         qCDebug(KWIN_FB) << "Framebuffer Format is RGB888";
-        return QImage::Format_RGB888;
+        m_bgr = true;
+        m_imageFormat = QImage::Format_RGB888;
     } else if (m_bitsPerPixel == 16 &&
             m_red.length == 5 &&
             m_green.length == 6 &&
@@ -196,10 +203,9 @@ QImage::Format FramebufferBackend::imageFormat() const
             m_green.offset == 5 &&
             m_red.offset == 11) {
         qCDebug(KWIN_FB) << "Framebuffer Format is RGB16";
-        return QImage::Format_RGB16;
+        m_imageFormat = QImage::Format_RGB16;
     }
     qCWarning(KWIN_FB) << "Framebuffer format is unknown";
-    return QImage::Format_Invalid;
 }
 
 }
diff --git a/plugins/platforms/fbdev/fb_backend.h b/plugins/platforms/fbdev/fb_backend.h
index 7aee7eefc8..e888994722 100644
--- a/plugins/platforms/fbdev/fb_backend.h
+++ b/plugins/platforms/fbdev/fb_backend.h
@@ -71,10 +71,17 @@ public:
         return m_bitsPerPixel;
     }
     QImage::Format imageFormat() const;
+    /**
+     * @returns whether the imageFormat is BGR instead of RGB.
+     **/
+    bool isBGR() const {
+        return m_bgr;
+    }
 
 private:
     void openFrameBuffer();
     bool queryScreenInfo();
+    void initImageFormat();
     QSize m_resolution;
     QSize m_physicalSize;
     QByteArray m_id;
@@ -91,6 +98,8 @@ private:
     quint32 m_bufferLength = 0;
     int m_bytesPerLine = 0;
     void *m_memory = nullptr;
+    QImage::Format m_imageFormat = QImage::Format_Invalid;
+    bool m_bgr = false;
 };
 
 }
diff --git a/plugins/platforms/fbdev/scene_qpainter_fb_backend.cpp b/plugins/platforms/fbdev/scene_qpainter_fb_backend.cpp
index 732d5f31fe..ec311586c9 100644
--- a/plugins/platforms/fbdev/scene_qpainter_fb_backend.cpp
+++ b/plugins/platforms/fbdev/scene_qpainter_fb_backend.cpp
@@ -79,7 +79,7 @@ void FramebufferQPainterBackend::present(int mask, const QRegion &damage)
         return;
     }
     QPainter p(&m_backBuffer);
-    p.drawImage(QPoint(0, 0), m_renderBuffer);
+    p.drawImage(QPoint(0, 0), m_backend->isBGR() ? m_renderBuffer.rgbSwapped() : m_renderBuffer);
 }
 
 bool FramebufferQPainterBackend::usesOverlayWindow() const
diff --git a/scene_opengl.cpp b/scene_opengl.cpp
index 239a585cc5..7d81eab213 100644
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -2280,7 +2280,7 @@ void SceneOpenGLShadow::buildQuads()
     const int width = qMax(topLeft.width(), bottomLeft.width()) +
                       qMax(top.width(), bottom.width()) +
                       qMax(topRight.width(), bottomRight.width());
-    const int height = qMax(topLeft.height(), bottomLeft.height()) +
+    const int height = qMax(topLeft.height(), topRight.height()) +
                        qMax(left.height(), right.height()) +
                        qMax(bottomLeft.height(), bottomRight.height());
 
@@ -2387,7 +2387,8 @@ bool SceneOpenGLShadow::prepareBackend()
     const int width = qMax(topLeft.width(), bottomLeft.width()) +
                       qMax(top.width(), bottom.width()) +
                       qMax(topRight.width(), bottomRight.width());
-    const int height = qMax(topLeft.height(), bottomLeft.height()) +
+
+    const int height = qMax(topRight.height(), topLeft.height()) +
                        qMax(left.height(), right.height()) +
                        qMax(bottomLeft.height(), bottomRight.height());
 
diff --git a/scripts/videowall/metadata.desktop b/scripts/videowall/metadata.desktop
index 5e7a275274..a8a991568e 100644
--- a/scripts/videowall/metadata.desktop
+++ b/scripts/videowall/metadata.desktop
@@ -77,7 +77,7 @@ Comment[nn]=Filmframsyning i fullskjermsmodus over alle tilgjengelege skjermar
 Comment[pl]=Rozciąga pełnoekranowy odtwarzacz filmów na wszystkie podłączone ekrany, tworząc ścianę wideo
 Comment[pt]=Espalha o leitor de vídeo em todos os ecrãs ligados para criar um painel de vídeo
 Comment[pt_BR]=Espalha o reprodutor de vídeo em tela inteira sobre todas as telas ligadas para criar um painel de vídeo
-Comment[ru]=Поверх всех прикреплённых экранов открывается видео проигрыватель для создания видео стены
+Comment[ru]=Для создания видеостены вывод видеопроигрывателя распределяется по всем подключённым экранам
 Comment[sk]=Roztiahne na celú obrazovku video prehrávač cez všetky pripojené obrazovky na vytvorenie video steny
 Comment[sl]=Celozaslonski predvajalnik videov bo razprostrt prek vseh priklopljenih zaslonov in tako ustvaril video zid
 Comment[sr]=Видео плејер преко целог екрана бива проширен на све прикључене екране, стварајући видео зид