diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c6eb536..429f540 100755
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -23,7 +23,7 @@ repos:
 
   # Sort imports
   - repo: https://github.com/pycqa/isort
-    rev: "5.7.0"
+    rev: "5.11.5"
     hooks:
       - id: isort
         args:
@@ -35,3 +35,9 @@ repos:
     rev: 22.3.0
     hooks:
       - id: black
+
+  # Automatically upgrade syntax for newer versions
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.3.1
+    hooks:
+      - id: pyupgrade
diff --git a/setup.py b/setup.py
index 123781a..d93e6ca 100644
--- a/setup.py
+++ b/setup.py
@@ -1,9 +1,9 @@
 import setuptools
 
-with open("README.md", "r", encoding="utf-8") as fh:
+with open("README.md", encoding="utf-8") as fh:
     long_description = fh.read()
 
-with open("VERSION", "r", encoding="utf-8") as fh:
+with open("VERSION", encoding="utf-8") as fh:
     version = fh.read().strip()
 
 setuptools.setup(
diff --git a/tests/test_toppingmaker.py b/tests/test_toppingmaker.py
index 4beec2d..8327526 100644
--- a/tests/test_toppingmaker.py
+++ b/tests/test_toppingmaker.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 /***************************************************************************
                               -------------------
@@ -25,6 +24,7 @@
 
 import yaml
 from qgis.core import (
+    Qgis,
     QgsExpressionContextUtils,
     QgsMapThemeCollection,
     QgsPrintLayout,
@@ -204,7 +204,7 @@ def test_generate_files(self):
         foundLayerOne = False
         foundLayerTwo = False
 
-        with open(projecttopping_file_path, "r") as yamlfile:
+        with open(projecttopping_file_path) as yamlfile:
             projecttopping_data = yaml.safe_load(yamlfile)
             assert "layertree" in projecttopping_data
             assert projecttopping_data["layertree"]
@@ -230,7 +230,7 @@ def test_generate_files(self):
         foundFrenchTheme = False
         foundRobotTheme = False
 
-        with open(projecttopping_file_path, "r") as yamlfile:
+        with open(projecttopping_file_path) as yamlfile:
             projecttopping_data = yaml.safe_load(yamlfile)
             assert "mapthemes" in projecttopping_data
             assert projecttopping_data["mapthemes"]
@@ -396,7 +396,7 @@ def test_generate_files(self):
         foundFirstVariable = False
         foundVariableWithStructure = False
 
-        with open(projecttopping_file_path, "r") as yamlfile:
+        with open(projecttopping_file_path) as yamlfile:
             projecttopping_data = yaml.safe_load(yamlfile)
             assert "variables" in projecttopping_data
             assert projecttopping_data["variables"]
@@ -422,12 +422,24 @@ def test_generate_files(self):
         assert foundFirstVariable
         assert foundVariableWithStructure
 
+        # check transaction mode
+        with open(projecttopping_file_path) as yamlfile:
+            projecttopping_data = yaml.safe_load(yamlfile)
+            assert "properties" in projecttopping_data
+            if Qgis.QGIS_VERSION_INT < 32600:
+                assert projecttopping_data["properties"]["transaction_mode"] == True
+            else:
+                assert (
+                    projecttopping_data["properties"]["transaction_mode"]
+                    == "AutomaticGroups"
+                )
+
         # check layouts
         layout_count = 0
         foundLayoutOne = False
         foundLayoutThree = False
 
-        with open(projecttopping_file_path, "r") as yamlfile:
+        with open(projecttopping_file_path) as yamlfile:
             projecttopping_data = yaml.safe_load(yamlfile)
             assert "layouts" in projecttopping_data
             assert projecttopping_data["layouts"]
@@ -706,6 +718,12 @@ def _make_project_and_export_settings(self):
         layout.setName("Layout Three")
         project.layoutManager().addLayout(layout)
 
+        # set transaction mode
+        if Qgis.QGIS_VERSION_INT < 32600:
+            project.setAutoTransaction(True)
+        else:
+            project.setTransactionMode(Qgis.TransactionMode.AutomaticGroups)
+
         # ---
         # and make the export settings
         # ---
diff --git a/toppingmaker/__init__.py b/toppingmaker/__init__.py
index 1c68e38..74755ea 100644
--- a/toppingmaker/__init__.py
+++ b/toppingmaker/__init__.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 /***************************************************************************
                               -------------------
diff --git a/toppingmaker/exportsettings.py b/toppingmaker/exportsettings.py
index 7e1d036..bff4966 100644
--- a/toppingmaker/exportsettings.py
+++ b/toppingmaker/exportsettings.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 /***************************************************************************
                               -------------------
@@ -23,7 +22,7 @@
 from qgis.core import QgsLayerTreeGroup, QgsLayerTreeLayer
 
 
-class ExportSettings(object):
+class ExportSettings:
     """
     # Layertree:
 
diff --git a/toppingmaker/projecttopping.py b/toppingmaker/projecttopping.py
index 1566e43..1eae40c 100644
--- a/toppingmaker/projecttopping.py
+++ b/toppingmaker/projecttopping.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 /***************************************************************************
                               -------------------
@@ -50,6 +49,7 @@ class ProjectTopping(QObject):
     - layerorder
     - map themes
     - project variables
+    - project properties
     - print layouts
 
     QML style files, QLR layer definition files and the source of a layer can be linked in the YAML file and are exported to the specific folders.
@@ -62,12 +62,12 @@ class ProjectTopping(QObject):
     LAYERSTYLE_TYPE = "layerstyle"
     LAYOUTTEMPLATE_TYPE = "layouttemplate"
 
-    class TreeItemProperties(object):
+    class TreeItemProperties:
         """
         The properties of a node (tree item)
         """
 
-        class StyleItemProperties(object):
+        class StyleItemProperties:
             """
             The properties of a style item of a node style.
             Currently it's only a qmlstylefile. Maybe in future here a style can be defined.
@@ -105,7 +105,7 @@ def __init__(self):
             # the styles can contain multiple style items with StyleItemProperties
             self.styles = {}
 
-    class LayerTreeItem(object):
+    class LayerTreeItem:
         """
         A tree item of the layer tree. Every item contains the properties of a layer and according the ExportSettings passed on parsing the QGIS project.
         """
@@ -428,6 +428,19 @@ def make_items(
                 ).variable(variable_key)
                 self[variable_key] = variable_value or None
 
+    class Properties(dict):
+        """
+        A dict object of dict items describing a selection of projet properties
+        Currently we don't use export settings and export them per default.
+        """
+
+        def make_items(self, project: QgsProject):
+            self.clear()
+            if Qgis.QGIS_VERSION_INT < 32600:
+                self["transaction_mode"] = project.autoTransaction()
+            else:
+                self["transaction_mode"] = project.transactionMode().name
+
     class Layouts(dict):
         """
         A dict object of dict items describing a layout with templatefile according to the layout names listed in the ExportSettings passed on parsing the QGIS project.
@@ -496,6 +509,7 @@ def __init__(self):
         self.mapthemes = self.MapThemes()
         self.layerorder = []
         self.variables = self.Variables()
+        self.properties = self.Properties()
         self.layouts = self.Layouts(temporary_toppingfile_dir)
 
     def parse_project(
@@ -528,6 +542,8 @@ def parse_project(
             self.variables.make_items(project, export_settings)
             # make print layouts
             self.layouts.make_items(project, export_settings)
+            # make properties
+            self.properties.make_items(project)
 
             self.stdout.emit(
                 self.tr("QGIS project map themes parsed with export settings."),
@@ -586,6 +602,7 @@ def _projecttopping_dict(self, target: Target):
         Gets the layerorder as a list.
         Gets the mapthemes as a dict.
         Gets the variables as a dict.
+        Gets the properties as a dict.
         Gets the layouts as a dict.
         And it generates and stores the toppingfiles according th the Target.
         """
@@ -599,6 +616,9 @@ def _projecttopping_dict(self, target: Target):
         variables_dict = dict(self.variables)
         if variables_dict:
             projecttopping_dict["variables"] = variables_dict
+        properties_dict = dict(self.properties)
+        if properties_dict:
+            projecttopping_dict["properties"] = properties_dict
         layouts_item_dict = self.layouts.item_dict(target)
         if layouts_item_dict:
             projecttopping_dict["layouts"] = layouts_item_dict
diff --git a/toppingmaker/target.py b/toppingmaker/target.py
index 413e4a9..7de5001 100644
--- a/toppingmaker/target.py
+++ b/toppingmaker/target.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 /***************************************************************************
                               -------------------
@@ -23,7 +22,7 @@
 from .utils import slugify
 
 
-class Target(object):
+class Target:
     """
     The target defines where to store the topping files (YAML, style, definition etc.)
 
diff --git a/toppingmaker/utils.py b/toppingmaker/utils.py
index c95df12..2dfa12e 100644
--- a/toppingmaker/utils.py
+++ b/toppingmaker/utils.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 /***************************************************************************
                               -------------------