diff --git a/src/libcalamares/utils/Yaml.cpp b/src/libcalamares/utils/Yaml.cpp
index 164c17a21..c986588be 100644
--- a/src/libcalamares/utils/Yaml.cpp
+++ b/src/libcalamares/utils/Yaml.cpp
@@ -89,7 +89,7 @@ yamlScalarToVariant( const YAML::Node& scalarNode )
 }
 
 
-QVariant
+QVariantList
 yamlSequenceToVariant( const YAML::Node& sequenceNode )
 {
     QVariantList vl;
@@ -101,7 +101,7 @@ yamlSequenceToVariant( const YAML::Node& sequenceNode )
 }
 
 
-QVariant
+QVariantMap
 yamlMapToVariant( const YAML::Node& mapNode )
 {
     QVariantMap vm;
diff --git a/src/libcalamares/utils/Yaml.h b/src/libcalamares/utils/Yaml.h
index fd6537be6..a976136e1 100644
--- a/src/libcalamares/utils/Yaml.h
+++ b/src/libcalamares/utils/Yaml.h
@@ -22,6 +22,8 @@
 
 #include <QStringList>
 #include <QVariant>
+#include <QVariantList>
+#include <QVariantMap>
 
 class QByteArray;
 class QFileInfo;
@@ -60,8 +62,8 @@ QVariantMap loadYaml( const QFileInfo&, bool* ok = nullptr );
 
 QVariant yamlToVariant( const YAML::Node& node );
 QVariant yamlScalarToVariant( const YAML::Node& scalarNode );
-QVariant yamlSequenceToVariant( const YAML::Node& sequenceNode );
-QVariant yamlMapToVariant( const YAML::Node& mapNode );
+QVariantList yamlSequenceToVariant( const YAML::Node& sequenceNode );
+QVariantMap yamlMapToVariant( const YAML::Node& mapNode );
 
 /// @brief Returns all the elements of @p listNode in a StringList
 QStringList yamlToStringList( const YAML::Node& listNode );
diff --git a/src/libcalamaresui/Branding.cpp b/src/libcalamaresui/Branding.cpp
index 34ba23436..5c41f5ea2 100644
--- a/src/libcalamaresui/Branding.cpp
+++ b/src/libcalamaresui/Branding.cpp
@@ -123,7 +123,7 @@ loadStrings( QMap< QString, QString >& map,
         throw YAML::Exception( YAML::Mark(), std::string( "Branding configuration is not a map: " ) + key );
     }
 
-    const auto& config = CalamaresUtils::yamlMapToVariant( doc[ key ] ).toMap();
+    const auto& config = CalamaresUtils::yamlMapToVariant( doc[ key ] );
 
     map.clear();
     for ( auto it = config.constBegin(); it != config.constEnd(); ++it )
diff --git a/src/libcalamaresui/modulesystem/Module.cpp b/src/libcalamaresui/modulesystem/Module.cpp
index 8fe3f2ac6..35b1508f1 100644
--- a/src/libcalamaresui/modulesystem/Module.cpp
+++ b/src/libcalamaresui/modulesystem/Module.cpp
@@ -237,7 +237,7 @@ void Module::loadConfigurationFile( const QString& configFileName )  //throws YA
             }
 
             cDebug() << "Loaded module configuration" << path;
-            m_configurationMap = CalamaresUtils::yamlMapToVariant( doc ).toMap();
+            m_configurationMap = CalamaresUtils::yamlMapToVariant( doc );
             m_emergency = m_maybe_emergency && m_configurationMap.contains( EMERGENCY )
                 && m_configurationMap[ EMERGENCY ].toBool();
             return;
diff --git a/src/modules/contextualprocess/Tests.cpp b/src/modules/contextualprocess/Tests.cpp
index a0071328a..50ce9f400 100644
--- a/src/modules/contextualprocess/Tests.cpp
+++ b/src/modules/contextualprocess/Tests.cpp
@@ -79,14 +79,15 @@ ContextualProcessTests::testProcessListSampleConfig()
     }
 
     ContextualProcessJob job;
-    job.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc ).toMap() );
+    job.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc ) );
 
     QCOMPARE( job.count(), 2 );  // Only "firmwareType" and "branding.shortVersion"
     QCOMPARE( job.count( "firmwareType" ), 4 );
     QCOMPARE( job.count( "branding.shortVersion" ), 2 );  // in the example config
 }
 
-void ContextualProcessTests::testFetch()
+void
+ContextualProcessTests::testFetch()
 {
     Logger::setupLogLevel( Logger::LOGVERBOSE );
 
@@ -187,5 +188,4 @@ void ContextualProcessTests::testFetch()
         QCOMPARE( s, QString() );
         QVERIFY( s.isEmpty() );
     }
-
 }
diff --git a/src/modules/fsresizer/Tests.cpp b/src/modules/fsresizer/Tests.cpp
index cee390b6b..42d587631 100644
--- a/src/modules/fsresizer/Tests.cpp
+++ b/src/modules/fsresizer/Tests.cpp
@@ -64,7 +64,7 @@ void FSResizerTests::testConfigurationRobust()
 size: 100%
 atleast: 600MiB
 )" );
-    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
+    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ) );
     QVERIFY( j.name().isEmpty() );
     QCOMPARE( j.size().unit(), SizeUnit::None );
     QCOMPARE( j.minimumSize().unit(), SizeUnit::None );
@@ -82,7 +82,7 @@ fs: /
 size: 100%
 atleast: 600MiB
 )" );
-    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
+    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ) );
     QVERIFY( !j.name().isEmpty() );
     QCOMPARE( j.name(), QString("/") );
     QCOMPARE( j.size().unit(), SizeUnit::Percent );
@@ -97,7 +97,7 @@ dev: /dev/m00
 size: 72  MiB
 atleast: 127 %
 )" );
-    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
+    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ) );
     QVERIFY( !j.name().isEmpty() );
     QCOMPARE( j.name(), QString("/") );
     QCOMPARE( j.size().unit(), SizeUnit::MiB );
@@ -111,7 +111,7 @@ dev: /dev/m00
 size: 72  MiB
 atleast: 127 %
 )" );
-    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
+    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ) );
     QVERIFY( !j.name().isEmpty() );
     QCOMPARE( j.name(), QString("/dev/m00") );
     QCOMPARE( j.size().unit(), SizeUnit::MiB );
@@ -126,7 +126,7 @@ fs: /
 size: 71MiB
 # atleast: 127%
 )" );
-    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ).toMap() );
+    j.setConfigurationMap( CalamaresUtils::yamlMapToVariant( doc0 ) );
     QVERIFY( !j.name().isEmpty() );
     QCOMPARE( j.name(), QString("/") );
     QCOMPARE( j.size().unit(), SizeUnit::MiB );
diff --git a/src/modules/partition/core/PartitionCoreModule.cpp b/src/modules/partition/core/PartitionCoreModule.cpp
index c3839f5ce..cdb0a5b02 100644
--- a/src/modules/partition/core/PartitionCoreModule.cpp
+++ b/src/modules/partition/core/PartitionCoreModule.cpp
@@ -834,6 +834,7 @@ PartitionCoreModule::initLayout()
 void
 PartitionCoreModule::initLayout( const QVariantList& config )
 {
+    bool ok;
     QString sizeString;
     QString minSizeString;
     QString maxSizeString;
@@ -885,6 +886,7 @@ PartitionCoreModule::initLayout( const QVariantList& config )
                                       CalamaresUtils::getString( pentry, "type" ),
                                       CalamaresUtils::getString( pentry, "mountPoint" ),
                                       CalamaresUtils::getString( pentry, "filesystem" ),
+                                      CalamaresUtils::getSubMap( pentry, "features", ok ),
                                       sizeString,
                                       minSizeString,
                                       maxSizeString ) )
diff --git a/src/modules/partition/core/PartitionLayout.cpp b/src/modules/partition/core/PartitionLayout.cpp
index d67811ca2..378833f4d 100644
--- a/src/modules/partition/core/PartitionLayout.cpp
+++ b/src/modules/partition/core/PartitionLayout.cpp
@@ -121,6 +121,7 @@ PartitionLayout::addEntry( const QString& label,
                            const QString& type,
                            const QString& mountPoint,
                            const QString& fs,
+                           const QVariantMap& features,
                            const QString& size,
                            const QString& min,
                            const QString& max )
@@ -146,6 +147,7 @@ PartitionLayout::addEntry( const QString& label,
     {
         entry.partFileSystem = m_defaultFsType;
     }
+    entry.partFeatures = features;
 
     m_partLayout.append( entry );
 
@@ -239,6 +241,7 @@ PartitionLayout::execute( Device* dev,
         PartitionInfo::setMountPoint( currentPartition, part.partMountPoint );
         if ( !part.partLabel.isEmpty() )
         {
+            currentPartition->setLabel( part.partLabel );
             currentPartition->fileSystem().setLabel( part.partLabel );
         }
         if ( !part.partType.isEmpty() )
@@ -247,6 +250,17 @@ PartitionLayout::execute( Device* dev,
             currentPartition->setType( part.partType );
 #else
             cWarning() << "Ignoring type; requires KPMcore >= 4.2.0.";
+#endif
+        }
+        if ( !part.partFeatures.isEmpty() )
+        {
+#if defined( WITH_KPMCORE42API )
+            for ( const auto& k : part.partFeatures.keys() )
+            {
+                currentPartition->fileSystem().addFeature( k, part.partFeatures.value(k) );
+            }
+#else
+            cWarning() << "Ignoring features; requires KPMcore >= 4.2.0.";
 #endif
         }
         // Some buggy (legacy) BIOSes test if the bootflag of at least one partition is set.
diff --git a/src/modules/partition/core/PartitionLayout.h b/src/modules/partition/core/PartitionLayout.h
index 538eb3a3b..5651ae995 100644
--- a/src/modules/partition/core/PartitionLayout.h
+++ b/src/modules/partition/core/PartitionLayout.h
@@ -31,6 +31,7 @@
 // Qt
 #include <QList>
 #include <QObject>
+#include <QVariantMap>
 
 class Partition;
 
@@ -43,6 +44,7 @@ public:
         QString partType;
         QString partMountPoint;
         FileSystem::Type partFileSystem = FileSystem::Unknown;
+        QVariantMap partFeatures;
         CalamaresUtils::Partition::PartitionSize partSize;
         CalamaresUtils::Partition::PartitionSize partMinSize;
         CalamaresUtils::Partition::PartitionSize partMaxSize;
@@ -77,6 +79,7 @@ public:
                    const QString& type,
                    const QString& mountPoint,
                    const QString& fs,
+                   const QVariantMap& features,
                    const QString& size,
                    const QString& min = QString(),
                    const QString& max = QString() );
diff --git a/src/modules/partition/partition.conf b/src/modules/partition/partition.conf
index d366ad4f0..241e4ea05 100644
--- a/src/modules/partition/partition.conf
+++ b/src/modules/partition/partition.conf
@@ -108,13 +108,21 @@ defaultFileSystemType:  "ext4"
 #       mountPoint: "/home"
 #       size: 3G
 #       minSize: 1.5G
+#       features:
+#         64bit: false
+#         casefold: true
 #     - name: "data"
 #       filesystem: "fat32"
 #       mountPoint: "/data"
+#       features:
+#         sector-size: 4096
+#         sectors-per-cluster: 128
 #       size: 100%
 #
 # There can be any number of partitions, each entry having the following attributes:
-#   - name: partition label
+#   - name: filesystem label
+#           and
+#           partition name (gpt only; since KPMCore 4.2.0)
 #   - type: partition type (optional parameter; gpt only; requires KPMCore >= 4.2.0)
 #   - filesystem: filesystem type
 #   - mountPoint: partition mount point
@@ -123,6 +131,8 @@ defaultFileSystemType:  "ext4"
 #           % of the available drive space if a '%' is appended to the value
 #   - minSize: minimum partition size (optional parameter)
 #   - maxSize: maximum partition size (optional parameter)
+#   - features: filesystem features (optional parameter; requires KPMCore >= 4.2.0)
+#       name: boolean or integer or string
 
 # Checking for available storage
 #
diff --git a/src/modules/shellprocess/Tests.cpp b/src/modules/shellprocess/Tests.cpp
index e991973db..caf9800c9 100644
--- a/src/modules/shellprocess/Tests.cpp
+++ b/src/modules/shellprocess/Tests.cpp
@@ -62,7 +62,7 @@ ShellProcessTests::testProcessListSampleConfig()
         }
     }
 
-    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" ) );
+    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).value( "script" ) );
     QVERIFY( !cl.isEmpty() );
     QCOMPARE( cl.count(), 3 );
 
@@ -79,7 +79,7 @@ script:
     - "ls /nonexistent"
     - "/bin/false"
 )" );
-    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" ) );
+    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).value( "script" ) );
     QVERIFY( !cl.isEmpty() );
     QCOMPARE( cl.count(), 3 );
 
@@ -90,7 +90,7 @@ script:
     - false
     - "ls /nonexistent"
 )" );
-    CommandList cl1( CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" ) );
+    CommandList cl1( CalamaresUtils::yamlMapToVariant( doc ).value( "script" ) );
     QVERIFY( !cl1.isEmpty() );
     QCOMPARE( cl1.count(), 2 );  // One element ignored
 }
@@ -101,7 +101,7 @@ ShellProcessTests::testProcessListFromString()
     YAML::Node doc = YAML::Load( R"(---
 script: "ls /tmp"
 )" );
-    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" ) );
+    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).value( "script" ) );
 
     QVERIFY( !cl.isEmpty() );
     QCOMPARE( cl.count(), 1 );
@@ -112,7 +112,7 @@ script: "ls /tmp"
     doc = YAML::Load( R"(---
 script: false
 )" );
-    CommandList cl1( CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" ) );
+    CommandList cl1( CalamaresUtils::yamlMapToVariant( doc ).value( "script" ) );
     QVERIFY( cl1.isEmpty() );
     QCOMPARE( cl1.count(), 0 );
 }
@@ -125,7 +125,7 @@ script:
     command: "ls /tmp"
     timeout: 20
 )" );
-    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" ) );
+    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).value( "script" ) );
 
     QVERIFY( !cl.isEmpty() );
     QCOMPARE( cl.count(), 1 );
@@ -142,7 +142,7 @@ script:
       timeout: 12
     - "-/bin/false"
 )" );
-    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" ) );
+    CommandList cl( CalamaresUtils::yamlMapToVariant( doc ).value( "script" ) );
     QVERIFY( !cl.isEmpty() );
     QCOMPARE( cl.count(), 2 );
     QCOMPARE( cl.at( 0 ).timeout(), 12s );
@@ -157,12 +157,11 @@ ShellProcessTests::testRootSubstitution()
 script:
     - "ls /tmp"
 )" );
-    QVariant plainScript = CalamaresUtils::yamlMapToVariant( doc ).toMap().value( "script" );
+    QVariant plainScript = CalamaresUtils::yamlMapToVariant( doc ).value( "script" );
     QVariant rootScript = CalamaresUtils::yamlMapToVariant( YAML::Load( R"(---
 script:
     - "ls @@ROOT@@"
 )" ) )
-                              .toMap()
                               .value( "script" );
     QVariant userScript = CalamaresUtils::yamlMapToVariant( YAML::Load( R"(---
 script:
@@ -170,7 +169,6 @@ script:
     - "chown @@USER@@ @@ROOT@@/calatest*"
     - rm -rf @@ROOT@@/calatest*
 )" ) )
-                              .toMap()
                               .value( "script" );
 
     if ( !Calamares::JobQueue::instance() )