diff --git a/src/app/puzzle/xml/vplayoutfilewriter.cpp b/src/app/puzzle/xml/vplayoutfilewriter.cpp
index bb7f01da6..d66744d5e 100644
--- a/src/app/puzzle/xml/vplayoutfilewriter.cpp
+++ b/src/app/puzzle/xml/vplayoutfilewriter.cpp
@@ -293,7 +293,7 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
 
     writeStartElement(ML::TagSeamLine);
     QVector<VLayoutPoint> const contourPoints = piece->GetContourPoints();
-    for (auto &point : contourPoints)
+    for (const auto &point : contourPoints)
     {
         WriteLayoutPoint(point);
     }
@@ -307,7 +307,7 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
     if (piece->IsSeamAllowance() && not piece->IsSeamAllowanceBuiltIn())
     {
         QVector<VLayoutPoint> const seamAllowancePoints = piece->GetSeamAllowancePoints();
-        for (auto &point : seamAllowancePoints)
+        for (const auto &point : seamAllowancePoints)
         {
             WriteLayoutPoint(point);
         }
@@ -350,7 +350,7 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
                                      [](bool mirrored) noexcept { return mirrored; });
 
         QVector<VLayoutPoint> const points = path.Points();
-        for (auto &point : points)
+        for (const auto &point : points)
         {
             WriteLayoutPoint(point);
         }
diff --git a/src/app/tape/dialogs/dialogmdatabase.cpp b/src/app/tape/dialogs/dialogmdatabase.cpp
index ddfd80b79..3fc0a20e0 100644
--- a/src/app/tape/dialogs/dialogmdatabase.cpp
+++ b/src/app/tape/dialogs/dialogmdatabase.cpp
@@ -313,7 +313,7 @@ void DialogMDataBase::InitDataBase(const QStringList &usedMeasurements)
     }
 
     QStringList const groups = knownDB.Groups();
-    for (auto &group : groups)
+    for (const auto &group : groups)
     {
         QMap<int, VKnownMeasurement> const groupMeasurements = knownDB.OrderedGroupMeasurements(group);
         m_groups.append(InitGroup(group, groupMeasurements, usedMeasurements));
diff --git a/src/app/valentina/dialogs/dialoghistory.cpp b/src/app/valentina/dialogs/dialoghistory.cpp
index 67edc0ca5..62f348492 100644
--- a/src/app/valentina/dialogs/dialoghistory.cpp
+++ b/src/app/valentina/dialogs/dialoghistory.cpp
@@ -212,7 +212,7 @@ void DialogHistory::FillTable()
 
     QVector<HistoryRecord> const historyRecords = QtConcurrent::blockingMapped(history, CreateRecord);
 
-    for (auto &record : historyRecords)
+    for (const auto &record : historyRecords)
     {
         if (not record.description.isEmpty())
         {
diff --git a/src/libs/vdxf/vdxfengine.cpp b/src/libs/vdxf/vdxfengine.cpp
index 3b53d8042..41c9179ab 100644
--- a/src/libs/vdxf/vdxfengine.cpp
+++ b/src/libs/vdxf/vdxfengine.cpp
@@ -1040,7 +1040,7 @@ void VDxfEngine::ExportAAMAIntcut(const QSharedPointer<dx_ifaceBlock> &detailBlo
     };
 
     QVector<VLayoutPiecePath> const drawIntCut = detail.MappedInternalPathsForCut(true);
-    for (auto &intCut : drawIntCut)
+    for (const auto &intCut : drawIntCut)
     {
         QVector<VLayoutPoint> points = intCut.Points();
         DrawPolygon(points, false);
@@ -1615,7 +1615,7 @@ void VDxfEngine::ExportASTMInternalCutout(const QSharedPointer<dx_ifaceBlock> &d
     };
 
     QVector<VLayoutPiecePath> const drawIntCut = detail.MappedInternalPathsForCut(true);
-    for (auto &intCut : drawIntCut)
+    for (const auto &intCut : drawIntCut)
     {
         QVector<VLayoutPoint> points = intCut.Points();
         DrawPolygon(points, intCut.IsNotMirrored(), false);
diff --git a/src/libs/vformat/vdimensions.cpp b/src/libs/vformat/vdimensions.cpp
index 305bf9050..693bec491 100644
--- a/src/libs/vformat/vdimensions.cpp
+++ b/src/libs/vformat/vdimensions.cpp
@@ -154,7 +154,7 @@ auto VAbstartMeasurementDimension::ValidBasesList() const -> QStringList
     QVector<qreal> const bases = ValidBases();
     QStringList list;
     list.reserve(bases.size());
-    for(auto &base : bases)
+    for (const auto &base : bases)
     {
         list.append(QString::number(base));
     }
@@ -382,7 +382,7 @@ void VDimensionRestriction::SetExcludeString(const QString &exclude)
     m_exclude.clear();
 
     QStringList const values = exclude.split(';');
-    for(auto &value : values)
+    for (const auto &value : values)
     {
         bool ok = false;
         qreal const val = value.toDouble(&ok);
@@ -400,7 +400,7 @@ auto VDimensionRestriction::GetExcludeString() const -> QString
     QList<qreal> const list = m_exclude.values();
     QStringList excludeList;
 
-    for(auto &value : list)
+    for (const auto &value : list)
     {
         excludeList.append(QString::number(value));
     }
diff --git a/src/libs/vformat/vpatternrecipe.cpp b/src/libs/vformat/vpatternrecipe.cpp
index 8816e63c3..ac5cf687c 100644
--- a/src/libs/vformat/vpatternrecipe.cpp
+++ b/src/libs/vformat/vpatternrecipe.cpp
@@ -758,7 +758,7 @@ auto VPatternRecipe::SplinePath(const VToolRecord &record) -> QDomElement
         throw VExceptionInvalidHistory(QObject::tr("Empty list of nodes for tool with id '%1'.").arg(record.getId()));
     }
 
-    for (auto &pathNode : path)
+    for (const auto &pathNode : path)
     {
         QDomElement node = createElement(QStringLiteral("node"));
 
@@ -804,7 +804,7 @@ auto VPatternRecipe::CubicBezierPath(const VToolRecord &record) -> QDomElement
         throw VExceptionInvalidHistory(QObject::tr("Empty list of nodes for tool with id '%1'.").arg(record.getId()));
     }
 
-    for (auto &pathNode : path)
+    for (const auto &pathNode : path)
     {
         QDomElement node = createElement(QStringLiteral("node"));
 
@@ -1217,7 +1217,7 @@ auto VPatternRecipe::GroupOperationSource(VAbstractOperation *tool, quint32 id,
         throw VExceptionInvalidHistory(QObject::tr("Empty list of nodes for tool with id '%1'.").arg(id));
     }
 
-    for (auto &item : items)
+    for (const auto &item : items)
     {
         QDomElement node = createElement(QStringLiteral("node"));
 
diff --git a/src/libs/vlayout/vboundary.cpp b/src/libs/vlayout/vboundary.cpp
index 961dba044..f143b0372 100644
--- a/src/libs/vlayout/vboundary.cpp
+++ b/src/libs/vlayout/vboundary.cpp
@@ -357,7 +357,7 @@ auto VBoundary::InsertDisconnect(QList<VBoundarySequenceItemData> &sequence, int
     }
 
     QVector<QVector<VLayoutPoint>> const shape = PreparePassmarkShape(passmark, drawMode, item.mirror);
-    for (auto &subShape : shape)
+    for (const auto &subShape : shape)
     {
         sequence.insert(i, PrepareSequenceItem(subShape, drawMode, VBoundarySequenceItem::PassmarkShape));
     }
diff --git a/src/libs/vlayout/vposition.cpp b/src/libs/vlayout/vposition.cpp
index 3ef9f0a8c..cd2cc0dd0 100644
--- a/src/libs/vlayout/vposition.cpp
+++ b/src/libs/vlayout/vposition.cpp
@@ -247,7 +247,7 @@ auto VPosition::ArrangeDetail(const VPositionData &data, std::atomic_bool *stop,
     }
 
     QList<VBestSquare> const results = watcher.future().results();
-    for (auto &result : results)
+    for (const auto &result : results)
     {
         bestResult.NewResult(result);
     }
diff --git a/src/libs/vpatterndb/vpiece.cpp b/src/libs/vpatterndb/vpiece.cpp
index 232172dd5..f343a9d3d 100644
--- a/src/libs/vpatterndb/vpiece.cpp
+++ b/src/libs/vpatterndb/vpiece.cpp
@@ -266,7 +266,7 @@ auto VPiece::PassmarksLines(const VContainer *data) const -> QVector<QLineF>
 {
     QVector<VPassmark> const passmarks = Passmarks(data);
     QVector<QLineF> lines;
-    for (auto &passmark : passmarks)
+    for (const auto &passmark : passmarks)
     {
         if (not passmark.IsNull())
         {
@@ -1211,7 +1211,7 @@ auto VPiece::IsPassmarkVisible(const QVector<VPieceNode> &path, vsizetype passma
         return true;
     }
 
-    for (auto &record : records)
+    for (const auto &record : records)
     {
         if (record.includeType == PiecePathIncludeType::AsCustomSA)
         {
diff --git a/src/libs/vpatterndb/vpiecepath.cpp b/src/libs/vpatterndb/vpiecepath.cpp
index d5ee59844..0e811ce00 100644
--- a/src/libs/vpatterndb/vpiecepath.cpp
+++ b/src/libs/vpatterndb/vpiecepath.cpp
@@ -842,7 +842,7 @@ auto VPiecePath::Edge(quint32 p1, quint32 p2) const -> vsizetype
 auto VPiecePath::ListNodePoint() const -> QVector<VPieceNode>
 {
     QVector<VPieceNode> list;
-    for (auto &node : d->m_nodes) //-const V807
+    for (const auto &node : d->m_nodes) //-const V807
     {
         if (node.GetTypeTool() == Tool::NodePoint)
         {
diff --git a/src/libs/vtest/abstracttest.cpp b/src/libs/vtest/abstracttest.cpp
index 234008352..8577df1f6 100644
--- a/src/libs/vtest/abstracttest.cpp
+++ b/src/libs/vtest/abstracttest.cpp
@@ -469,7 +469,7 @@ auto AbstractTest::CopyRecursively(const QString &srcFilePath, const QString &tg
         QDir const sourceDir(srcFilePath);
         const QStringList fileNames =
             sourceDir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System);
-        for (auto &fileName : fileNames)
+        for (const auto &fileName : fileNames)
         {
             const QString newSrcFilePath = srcFilePath + QDir::separator() + fileName;
             const QString newTgtFilePath = tgtFilePath + QDir::separator() + fileName;
diff --git a/src/libs/vtools/dialogs/tools/dialogflippingbyaxis.cpp b/src/libs/vtools/dialogs/tools/dialogflippingbyaxis.cpp
index 4ecb0c691..010b08f05 100644
--- a/src/libs/vtools/dialogs/tools/dialogflippingbyaxis.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogflippingbyaxis.cpp
@@ -333,7 +333,7 @@ void DialogFlippingByAxis::SuffixChanged()
         {
             QRegularExpression const rx(NameRegExp());
             const QStringList uniqueNames = data->AllUniqueNames();
-            for (auto &uniqueName : uniqueNames)
+            for (const auto &uniqueName : uniqueNames)
             {
                 const QString name = uniqueName + suffix;
                 if (not rx.match(name).hasMatch() || not data->IsUnique(name))
diff --git a/src/libs/vtools/dialogs/tools/dialogflippingbyline.cpp b/src/libs/vtools/dialogs/tools/dialogflippingbyline.cpp
index bd0777604..7eb4847f6 100644
--- a/src/libs/vtools/dialogs/tools/dialogflippingbyline.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogflippingbyline.cpp
@@ -355,7 +355,7 @@ void DialogFlippingByLine::SuffixChanged()
         {
             QRegularExpression const rx(NameRegExp());
             const QStringList uniqueNames = data->AllUniqueNames();
-            for (auto &uniqueName : uniqueNames)
+            for (const auto &uniqueName : uniqueNames)
             {
                 const QString name = uniqueName + suffix;
                 if (not rx.match(name).hasMatch() || not data->IsUnique(name))
diff --git a/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp b/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp
index ced0b9df5..54dfed72c 100644
--- a/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp
+++ b/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp
@@ -4864,7 +4864,7 @@ auto DialogSeamAllowance::GetDefaultPieceName() const -> QString
     QList<VPiece> const pieces = data->DataPieces()->values();
     QSet<QString> names;
 
-    for (auto &piece : pieces)
+    for (const auto &piece : pieces)
     {
         names.insert(piece.GetName());
     }