diff --git a/config_example/config.py b/config_example/config.py
index 3f7ae17..4b4d751 100644
--- a/config_example/config.py
+++ b/config_example/config.py
@@ -1,20 +1,32 @@
+#######################################################################
+# Configuration of your django application
+#######################################################################
 #
-# General settings
+# Users library
 #
+# This enables or disables the self registration
+USERS_SELF_REGISTRATION = False
 
-# APP_NAME is used for logging
-APP_NAME = 'patt'
+#
+# Themes library
+#
+# This defines the default theme, if no theme is set in the django parameters
+DEFAULT_THEME = 'clear-green'
 
+#
+# Django
+#
+# This defines the mode of the running server
 # SECURITY WARNING: don't run with debug turned on in production!
-# DEBUG = False
+DEBUG = False
 
-# SECURITY WARNING: don't run with a dummy secret in production!
-# SECRET_KEY = None
+# This a the secret key for your application.
+# SECURITY WARNING: don't run with a dummy secret in production! And don't let others read this key!
+SECRET_KEY = None
 
+# This defines the listener hostnames for your django server
 # SECURITY WARNING: don't run with '0.0.0.0' in in production, unless you know what you are doing!
-# ALLOWED_HOSTS = ['127.0.0.1', ]
+# ALLOWED_HOSTS = ['<YOUR_SERVER_HOSTNAME>', ]
 
-#
-# Style settings
-#
-# DEFAULT_THEME = 'clear-green'
+# This might be needed for usage in a docker environment
+# CSRF_TRUSTED_ORIGINS = ['<YOUR_SERVER_URL>', ]
diff --git a/main/settings.py b/main/settings.py
index 41860cc..7eeb186 100644
--- a/main/settings.py
+++ b/main/settings.py
@@ -1,78 +1,39 @@
 """
-Django settings for this project.
+Django settings for patt project.
 
-Generated by 'django-admin startproject' using Django 3.0.3.
+Generated by 'django-admin startproject' using Django 5.1.1.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/3.0/topics/settings/
+https://docs.djangoproject.com/en/5.1/topics/settings/
 
 For the full list of settings and their values, see
 https://docs.djangoproject.com/en/3.0/ref/settings/
 """
 
+from pathlib import Path
+
 import config
 from logging.handlers import SocketHandler as _SocketHandler
 import os
+import random
 import stat
 import sys
-import random
 
-try:
-    from config import APP_NAME as ROOT_LOGGER_NAME
-except ImportError:
-    ROOT_LOGGER_NAME = 'root'
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
 
 
-# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
-#
-BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-
-# Check permission of config.py
-#
-if sys.platform == 'linux' or sys.platform == 'linux2':
-    st = os.stat(os.path.join(BASE_DIR, 'config.py'))
-    if st.st_mode & stat.S_IRGRP or st.st_mode & stat.S_IROTH:
-        raise PermissionError("conig.py is readable by group or others.")
-
-# Default values, if not defined in config.py
-#
-USER_CONFIG_DEFAULTS = {
-    'DEBUG': False,
-    'SECRET_KEY': None,
-    'DEFAULT_THEME': 'clear-green',
-    'ALLOWED_HOSTS': ['127.0.0.1', ],
-    'CSRF_TRUSTED_ORIGINS': [],
-}
-
-# Set configuration parameters
-#
-thismodule = sys.modules[__name__]
-for property_name in USER_CONFIG_DEFAULTS:
-    try:
-        value = getattr(config, property_name)
-    except AttributeError:
-        value = USER_CONFIG_DEFAULTS[property_name]
-    setattr(thismodule, property_name, value)
-
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/
 
-# SECURITY WARNING: keep the secret key used in production secret!
-#
-if SECRET_KEY is None:
-    chars = 'abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)'
-    s_key = ''.join([random.choice(chars) for n in range(50)])
-    secret_key_warning = "You need to create a config.py file including at least a SECRET_KEY definition (e.g.: --> %s <--)." % repr(s_key)
-    raise KeyError(secret_key_warning)
-
 
 # Application definition
-#
+
 INSTALLED_APPS = [
     'patt.apps.PattConfig',
     'themes.apps.ThemesConfig',
-    'users.apps.UsersConfig',
     'mycreole.apps.MycreoleConfig',
+    'users.apps.UsersConfig',
     #
     'django.contrib.admin',
     'django.contrib.auth',
@@ -118,19 +79,19 @@ WSGI_APPLICATION = 'main.wsgi.application'
 
 
 # Database
-# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
-#
+# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
+
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+        'NAME': BASE_DIR / 'db.sqlite3',
     }
 }
 
 
 # Password validation
-# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators
-#
+# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators
+
 AUTH_PASSWORD_VALIDATORS = [
     {
         'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
@@ -147,14 +108,9 @@ AUTH_PASSWORD_VALIDATORS = [
 ]
 
 
-# Search Engine
-#
-WHOOSH_PATH = os.path.join(BASE_DIR, 'data', 'whoosh_index')
-
-
 # Internationalization
-# https://docs.djangoproject.com/en/3.0/topics/i18n/
-#
+# https://docs.djangoproject.com/en/5.1/topics/i18n/
+
 LANGUAGE_CODE = 'en-us'
 LANGUAGES = [
     ('en', 'English'),
@@ -176,10 +132,9 @@ USE_TZ = True
 
 
 # Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/3.0/howto/static-files/
-#
+# https://docs.djangoproject.com/en/5.1/howto/static-files/
 STATIC_ROOT = os.path.join(BASE_DIR, 'data', 'static')
-STATIC_URL = '/static/'
+STATIC_URL = 'static/'
 
 MEDIA_ROOT = os.path.join(BASE_DIR, 'data', 'media')
 MEDIA_URL = '/media/'
@@ -189,18 +144,67 @@ MYCREOLE_ATTACHMENT_ACCESS = {
     'read': 'patt.access.read_attachment',
     'modify': 'patt.access.modify_attachment',
 }
+MYCREOLE_BAR = {
+    'navibar': 'patt.context.navigationbar',
+    'menubar': 'patt.context.menubar',
+}
 MYCREOLE_EXT_FILTERS = [
     'patt.creole.task_link_filter',
     'patt.creole.tasklist_link_filter',
 ]
 
-# Session parameters
+WHOOSH_PATH = os.path.join(BASE_DIR, 'data', 'whoosh_index')
+
+LOGIN_URL = 'users-login'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+
+# Check permission of config.py
 #
-PERSISTENT_SESSION_VARIABLES = []
+if sys.platform == 'linux' or sys.platform == 'linux2':
+    st = os.stat(os.path.join(BASE_DIR, 'config.py'))
+    if st.st_mode & stat.S_IRGRP or st.st_mode & stat.S_IROTH:
+        raise PermissionError("conig.py is readable by group or others.")
+
+# Default values, if not defined in config.py
+#
+USER_CONFIG_DEFAULTS = {
+    'DEBUG': False,
+    'SECRET_KEY': None,
+    'DEFAULT_THEME': 'clear-green',
+    'ALLOWED_HOSTS': ['127.0.0.1', 'localhost', ],
+    'CSRF_TRUSTED_ORIGINS': [],
+}
+
+# Set configuration parameters
+#
+thismodule = sys.modules[__name__]
+for property_name in USER_CONFIG_DEFAULTS:
+    try:
+        value = getattr(config, property_name)
+    except AttributeError:
+        value = USER_CONFIG_DEFAULTS[property_name]
+    setattr(thismodule, property_name, value)
+
+# SECURITY WARNING: keep the secret key used in production secret!
+#
+if SECRET_KEY is None:
+    chars = 'abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)'
+    s_key = ''.join([random.choice(chars) for n in range(50)])
+    secret_key_warning = "You need to create a config.py file including at least a SECRET_KEY definition (e.g.: --> %s <--)." % repr(s_key)
+    raise KeyError(secret_key_warning)
 
 
 # Logging Configuration
 #
+ROOT_LOGGER_NAME = os.path.basename(os.path.dirname(__file__))
+default_handler = ['socket'] if DEBUG else ['console']
+
+
 class DjangoSocketHandler(_SocketHandler):
     def emit(self, record):
         if hasattr(record, 'request'):
@@ -208,8 +212,6 @@ class DjangoSocketHandler(_SocketHandler):
         return super().emit(record)
 
 
-default_handler = ['socket'] if DEBUG else ['console']
-#
 LOGGING = {
     'version': 1,
     'disable_existing_loggers': False,
@@ -233,7 +235,7 @@ File "%(pathname)s", line %(lineno)d, in %(funcName)s
         },
         'socket': {
             'level': 'DEBUG',
-            'class': 'main.settings.DjangoSocketHandler',
+            'class': f'{ROOT_LOGGER_NAME}.settings.DjangoSocketHandler',
             'host': '127.0.0.1',
             'port': 19996,
         },
@@ -251,12 +253,3 @@ File "%(pathname)s", line %(lineno)d, in %(funcName)s
         },
     },
 }
-
-
-# Other Configuration issues
-#
-LOGIN_URL = 'users-login'
-
-# Default Auto Filed
-#
-DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
diff --git a/mycreole b/mycreole
index 057388e..997594e 160000
--- a/mycreole
+++ b/mycreole
@@ -1 +1 @@
-Subproject commit 057388e3b44b5fe42b133fe030c41aa6a254de58
+Subproject commit 997594e37149b55e598f7dedfefed3c2998a2c87
diff --git a/patt b/patt
index be03b65..5779562 160000
--- a/patt
+++ b/patt
@@ -1 +1 @@
-Subproject commit be03b653ebce2dadb5bfb314e597966751fb9cf7
+Subproject commit 577956248e382ff47c5d0c668ee8ffbfe2f4cbd8
diff --git a/themes b/themes
index 13a8d8e..261ef50 160000
--- a/themes
+++ b/themes
@@ -1 +1 @@
-Subproject commit 13a8d8ebc4c82d2000af4464b863cf3b38a7a1fe
+Subproject commit 261ef5048efb4bd204a4ddbe56a90f96cd767ba1
diff --git a/users b/users
index 0827a53..c9532aa 160000
--- a/users
+++ b/users
@@ -1 +1 @@
-Subproject commit 0827a5311fdbbef689365c6db5762881e048ba9c
+Subproject commit c9532aaf37cc785583d7ffc89d1d2f738985171d