diff --git a/src/declarativeimports/core/colorscope.cpp b/src/declarativeimports/core/colorscope.cpp
--- a/src/declarativeimports/core/colorscope.cpp
+++ b/src/declarativeimports/core/colorscope.cpp
@@ -43,7 +43,7 @@
         m_theme = s_theme.toStrongRef();
     }
 
-    connect(s_theme.data(), &Plasma::Theme::themeChanged, this, &ColorScope::colorsChanged);
+    connect(m_theme.data(), &Plasma::Theme::themeChanged, this, &ColorScope::colorsChanged);
 
     connect(this, &ColorScope::colorGroupChanged, this, &ColorScope::colorsChanged);
 
diff --git a/src/plasma/containmentactions.cpp b/src/plasma/containmentactions.cpp
--- a/src/plasma/containmentactions.cpp
+++ b/src/plasma/containmentactions.cpp
@@ -131,7 +131,13 @@
         int o = QObject::staticQtMetaObject.indexOfEnumerator("Orientations");
         QMetaEnum orient = QObject::staticQtMetaObject.enumerator(o);
         trigger = QStringLiteral("wheel:");
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
         trigger += QString::fromLatin1(orient.valueToKey(e->orientation()));
+#else
+        // ContainmentInterface::wheelEvent uses angleDelta.y()
+        // To support both, should we just remove this orientation string?
+        trigger += QStringLiteral("Vertical");
+#endif
         modifiers = e->modifiers();
         break;
     }
diff --git a/src/plasma/framesvg.cpp b/src/plasma/framesvg.cpp
--- a/src/plasma/framesvg.cpp
+++ b/src/plasma/framesvg.cpp
@@ -625,7 +625,8 @@
         if (newFd) {
             //qCDebug(LOG_PLASMA) << "FOUND IT!" << newFd->refcount;
             // we've found a match, use that one
-            Q_ASSERT(newKey == newFd.data()->cacheId);
+            auto newFdRef = newFd.lock();
+            Q_ASSERT(newKey == newFdRef->cacheId);
             frame = newFd;
             return;
         }
diff --git a/src/plasmaquick/dialog.cpp b/src/plasmaquick/dialog.cpp
--- a/src/plasmaquick/dialog.cpp
+++ b/src/plasmaquick/dialog.cpp
@@ -1235,11 +1235,24 @@
         case QEvent::Wheel: {
             QWheelEvent *we = static_cast<QWheelEvent *>(event);
 
-            if (!d->mainItemContainsPosition(we->pos())) {
-                QWheelEvent we2(d->positionAdjustedForMainItem(we->pos()),
-                                d->positionAdjustedForMainItem(we->pos()) + position(),
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+            const QPoint pos = we->pos();
+#else
+            const QPoint pos = we->position().toPoint();
+#endif
+
+            if (!d->mainItemContainsPosition(pos)) {
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+                QWheelEvent we2(d->positionAdjustedForMainItem(pos),
+                                d->positionAdjustedForMainItem(pos) + position(),
                                 we->pixelDelta(), we->angleDelta(), we->angleDelta().y(),
                                 we->orientation(), we->buttons(), we->modifiers(), we->phase());
+#else
+                QWheelEvent we2(d->positionAdjustedForMainItem(pos),
+                                d->positionAdjustedForMainItem(pos) + position(),
+                                we->pixelDelta(), we->angleDelta(),
+                                we->buttons(), we->modifiers(), we->phase(), false /*inverted*/);
+#endif
 
                 if (isVisible()) {
                     QCoreApplication::sendEvent(this, &we2);