diff --git a/doc/qtcreator/config/style/qt5-sidebar.html b/doc/qtcreator/config/style/qt5-sidebar.html
index c5c9f62c161..e9bdbfb1da8 100644
--- a/doc/qtcreator/config/style/qt5-sidebar.html
+++ b/doc/qtcreator/config/style/qt5-sidebar.html
@@ -70,7 +70,7 @@
         <h2>Reference</h2>
     </div>
     <ul>
-        <li><a href="creator-acknowledgements.html">Acknowledgements</a></li>
+        <li><a href="creator-acknowledgements.html">Licenses and Acknowledgments</a></li>
         <li><a href="creator-cli.html">Command-Line Options</a></li>
         <li><a href="creator-project-wizards.html">Custom Wizards</a></li>
         <li><a href="creator-faq.html">FAQ</a></li>
diff --git a/doc/qtcreator/src/howto/creator-only/creator-how-to-install.qdoc b/doc/qtcreator/src/howto/creator-only/creator-how-to-install.qdoc
index f64c870cfe0..fad52f18617 100644
--- a/doc/qtcreator/src/howto/creator-only/creator-how-to-install.qdoc
+++ b/doc/qtcreator/src/howto/creator-only/creator-how-to-install.qdoc
@@ -88,5 +88,6 @@
     {Compiling \QC} and \l{https://wiki.qt.io/Building_Qt_Creator_from_Git}
     {Building Qt Creator from Git}.
 
-    \sa {Manage Kits}{How To: Manage Kits}, {Register installed Qt versions}
+    \sa {Manage Kits}{How To: Manage Kits}, {Register installed Qt versions},
+    {Install plugins}, {Licenses and Acknowledgments}
 */
diff --git a/doc/qtcreator/src/overview/creator-acknowledgements.qdoc b/doc/qtcreator/src/overview/creator-acknowledgements.qdoc
index e69626b35cf..f1ccb416af0 100644
--- a/doc/qtcreator/src/overview/creator-acknowledgements.qdoc
+++ b/doc/qtcreator/src/overview/creator-acknowledgements.qdoc
@@ -17,9 +17,15 @@
 
     \ingroup creator-reference
 
-    \title Acknowledgements
+    \title Licenses and Acknowledgments
 
-    \brief Third-party components in \QC.
+    \brief Licenses and third-party components in \QC.
+
+    \section1 Licenses
+
+    \QC is available under commercial licenses from The Qt Company, and
+    under the GNU General Public License version 3, annotated with
+    The Qt Company GPL Exception 1.0.
 
     \section1 Credits
 
diff --git a/doc/qtdesignstudio/src/qtdesignstudio-toc.qdoc b/doc/qtdesignstudio/src/qtdesignstudio-toc.qdoc
index abc575e8d9b..9000fbb2f5a 100644
--- a/doc/qtdesignstudio/src/qtdesignstudio-toc.qdoc
+++ b/doc/qtdesignstudio/src/qtdesignstudio-toc.qdoc
@@ -272,7 +272,7 @@
                 \li \l{Supported Platforms}
             \endlist
         \li \l{Technical Support}
-        \li \l{Acknowledgements}
+        \li \l{Licenses and Acknowledgments}
         \li \l{What's New}
     \endlist
 */
diff --git a/share/qtcreator/templates/wizards/projects/qtquickapplication/CMakeLists.txt b/share/qtcreator/templates/wizards/projects/qtquickapplication/CMakeLists.txt
index 5ab817b9bfe..d7ae810c033 100644
--- a/share/qtcreator/templates/wizards/projects/qtquickapplication/CMakeLists.txt
+++ b/share/qtcreator/templates/wizards/projects/qtquickapplication/CMakeLists.txt
@@ -7,11 +7,11 @@ set(CMAKE_AUTOMOC ON)
 @endif
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-find_package(Qt6 %{MinimumSupportedQtVersion} REQUIRED COMPONENTS Quick)
+find_package(Qt6 REQUIRED COMPONENTS Quick)
 
 @if %{HasQSPSetup}
 @if %{UsesAutoResourcePrefix}
-qt_standard_project_setup(REQUIRES 6.5)
+qt_standard_project_setup(REQUIRES %{MinimumSupportedQtVersion})
 @else
 qt_standard_project_setup()
 @endif
diff --git a/src/libs/tracing/qml/ImageToolButton.qml b/src/libs/tracing/qml/ImageToolButton.qml
index 45ca12b8997..ebbc8e28907 100644
--- a/src/libs/tracing/qml/ImageToolButton.qml
+++ b/src/libs/tracing/qml/ImageToolButton.qml
@@ -22,8 +22,7 @@ ToolButton {
         smooth: false
     }
 
-    background: PaddedRectangle {
-        padding: Theme.compactToolbar() ? 0 : 3
+    background: Rectangle {
         radius: Theme.compactToolbar() ? 0 : 5
         color: (parent.checked || parent.pressed)
                ? Theme.color(Theme.FancyToolButtonSelectedColor)
diff --git a/src/plugins/languageclient/callandtypehierarchy.cpp b/src/plugins/languageclient/callandtypehierarchy.cpp
index 4b8f7117132..71a9558f34e 100644
--- a/src/plugins/languageclient/callandtypehierarchy.cpp
+++ b/src/plugins/languageclient/callandtypehierarchy.cpp
@@ -287,6 +287,12 @@ public:
                          theWidget, [this](const QModelIndex &index) { onItemDoubleClicked(index); });
     }
 
+    ~HierarchyWidgetHelper()
+    {
+        if (m_runningRequest && m_runningRequest->first)
+            m_runningRequest->first->cancelRequest(m_runningRequest->second);
+    }
+
     void updateHierarchyAtCursorPosition()
     {
         m_model.clear();
@@ -315,6 +321,17 @@ protected:
         item->forChildrenAtLevel(1, [&](const TreeItem *child) { m_view->expand(child->index()); });
     }
 
+    void send(Client *client, const JsonRpcMessage &request, const MessageId &requestId)
+    {
+        m_runningRequest = std::make_pair(QPointer<Client>(client), requestId);
+        client->sendMessage(request);
+    }
+
+    void resetRunningRequest()
+    {
+        m_runningRequest.reset();
+    }
+
 private:
     virtual void sendRequest(Client *client, const TextDocumentPositionParams &params,
                              const Core::IDocument *document) = 0;
@@ -334,6 +351,7 @@ private:
 
     AnnotatedItemDelegate m_delegate;
     NavigationTreeView * const m_view;
+    std::optional<std::pair<QPointer<Client>, MessageId>> m_runningRequest;
     TreeModel<TreeItem> m_model;
 };
 
@@ -358,12 +376,13 @@ private:
                                         const PrepareCallHierarchyRequest::Response &response) {
             handlePrepareResponse(client, response);
         });
-        client->sendMessage(request);
+        send(client, request, request.id());
     }
 
     void handlePrepareResponse(Client *client,
                                const PrepareCallHierarchyRequest::Response &response)
     {
+        resetRunningRequest();
         if (!client)
             return;
         const std::optional<PrepareCallHierarchyRequest::Response::Error> error = response.error();
@@ -401,12 +420,13 @@ private:
                                         const PrepareTypeHierarchyRequest::Response &response) {
             handlePrepareResponse(client, response);
         });
-        client->sendMessage(request);
+        send(client, request, request.id());
     }
 
     void handlePrepareResponse(Client *client,
                                const PrepareTypeHierarchyRequest::Response &response)
     {
+        resetRunningRequest();
         if (!client)
             return;
         const std::optional<PrepareTypeHierarchyRequest::Response::Error> error = response.error();
diff --git a/src/plugins/texteditor/fontsettings.cpp b/src/plugins/texteditor/fontsettings.cpp
index 3cb58fd1282..54e384984b3 100644
--- a/src/plugins/texteditor/fontsettings.cpp
+++ b/src/plugins/texteditor/fontsettings.cpp
@@ -103,6 +103,7 @@ bool FontSettings::fromSettings(const FormatDescriptions &descriptions, const Qt
     m_fontSize = s->value(group + fontSizeKey, m_fontSize).toInt();
     m_fontZoom= s->value(group + fontZoomKey, m_fontZoom).toInt();
     m_lineSpacing = s->value(group + lineSpacingKey, m_lineSpacing).toInt();
+    QTC_ASSERT(m_lineSpacing >= 0, m_lineSpacing = 100);
     m_antialias = s->value(group + antialiasKey, DEFAULT_ANTIALIAS).toBool();
 
     if (s->contains(group + schemeFileNamesKey)) {
@@ -337,7 +338,7 @@ qreal FontSettings::lineSpacing() const
     QFont currentFont = font();
     currentFont.setPointSize(std::max(m_fontSize * m_fontZoom / 100, 1));
     qreal spacing = QFontMetricsF(currentFont).lineSpacing();
-    if (m_lineSpacing != 100)
+    if (QTC_GUARD(m_lineSpacing > 0) && m_lineSpacing != 100)
         spacing *= qreal(m_lineSpacing) / 100;
     return spacing;
 }
diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 7f817f50307..bedc8179a6a 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -5185,6 +5185,7 @@ void TextEditorWidgetPrivate::updateLineAnnotation(const PaintEventData &data,
             q->viewport()->update(annotationRect.rect.toAlignedRect());
     }
     m_annotationRects[data.block.blockNumber()] = newRects;
+    QTC_ASSERT(data.lineSpacing != 0, return);
     const int maxVisibleLines = data.viewportRect.height() / data.lineSpacing;
     if (m_annotationRects.size() >= maxVisibleLines * 2)
         scheduleCleanupAnnotationCache();