diff --git a/allianceauth/groupmanagement/admin.py b/allianceauth/groupmanagement/admin.py
index b6a78f58..6dce3baf 100644
--- a/allianceauth/groupmanagement/admin.py
+++ b/allianceauth/groupmanagement/admin.py
@@ -40,9 +40,6 @@ class AuthGroupInlineAdmin(admin.StackedInline):
             kwargs["queryset"] = Group.objects.order_by(Lower('name'))
         return super().formfield_for_manytomany(db_field, request, **kwargs)
 
-    def has_add_permission(self, request, obj=None):
-        return False
-
     def has_delete_permission(self, request, obj=None):
         return False
 
@@ -139,7 +136,7 @@ class GroupAdmin(admin.ModelAdmin):
     _member_count.admin_order_field = 'member_count'
 
     def has_leader(self, obj):
-        return obj.authgroup.group_leaders.exists()
+        return obj.authgroup.group_leaders.exists() or obj.authgroup.group_leader_groups.exists()
 
     has_leader.boolean = True
 
@@ -174,6 +171,13 @@ class GroupAdmin(admin.ModelAdmin):
             kwargs["queryset"] = Permission.objects.select_related("content_type").all()
         return super().formfield_for_manytomany(db_field, request, **kwargs)
 
+    def save_formset(self, request, form, formset, change):
+        for inline_form in formset:
+            ag_instance = inline_form.save(commit=False)
+            ag_instance.group = form.instance
+            ag_instance.save()
+        formset.save()
+
 
 class Group(BaseGroup):
     class Meta:
diff --git a/allianceauth/groupmanagement/models.py b/allianceauth/groupmanagement/models.py
index 5aafad31..e957204d 100644
--- a/allianceauth/groupmanagement/models.py
+++ b/allianceauth/groupmanagement/models.py
@@ -55,7 +55,6 @@ class RequestLog(models.Model):
         return user.profile.main_character
 
 
-
 class AuthGroup(models.Model):
     """
     Extends Django Group model with a one-to-one field
@@ -106,7 +105,8 @@ class AuthGroup(models.Model):
                                     help_text="States listed here will have the ability to join this group provided "
                                                 "they have the proper permissions.")
 
-    description = models.TextField(max_length=512, blank=True, help_text="Short description <i>(max. 512 characters)</i> of the group shown to users.")
+    description = models.TextField(max_length=512, blank=True, help_text="Short description <i>(max. 512 characters)"
+                                                                         "</i> of the group shown to users.")
 
     def __str__(self):
         return self.group.name
diff --git a/allianceauth/groupmanagement/tests/test_admin.py b/allianceauth/groupmanagement/tests/test_admin.py
index f54c9da8..364309d9 100644
--- a/allianceauth/groupmanagement/tests/test_admin.py
+++ b/allianceauth/groupmanagement/tests/test_admin.py
@@ -48,6 +48,7 @@ class TestGroupAdmin(TestCase):
         cls.group_2 = Group.objects.create(name='Group 2')
         cls.group_2.authgroup.description = 'Internal Group'
         cls.group_2.authgroup.internal = True
+        cls.group_2.authgroup.group_leader_groups.add(cls.group_1)
         cls.group_2.authgroup.save()
 
         # group 3 - has leader
@@ -237,10 +238,14 @@ class TestGroupAdmin(TestCase):
         result = self.modeladmin._member_count(obj)
         self.assertEqual(result, expected)
 
-    def test_has_leader(self):
+    def test_has_leader_user(self):
         result = self.modeladmin.has_leader(self.group_1)
         self.assertTrue(result)
 
+    def test_has_leader_group(self):
+        result = self.modeladmin.has_leader(self.group_2)
+        self.assertTrue(result)
+
     def test_properties_1(self):
         expected = ['Default']
         result = self.modeladmin._properties(self.group_1)
diff --git a/allianceauth/notifications/admin.py b/allianceauth/notifications/admin.py
index 783f0f0a..89d22e78 100644
--- a/allianceauth/notifications/admin.py
+++ b/allianceauth/notifications/admin.py
@@ -1,4 +1,35 @@
 from django.contrib import admin
 from .models import Notification
 
-admin.site.register(Notification)
+
+@admin.register(Notification)
+class NotificationAdmin(admin.ModelAdmin):        
+    list_display = ("timestamp", "_main", "_state", "title", "level", "viewed")
+    list_select_related = ("user", "user__profile__main_character", "user__profile__state")
+    list_filter = (        
+        "level", 
+        "timestamp",
+        "user__profile__state",
+        ('user__profile__main_character', admin.RelatedOnlyFieldListFilter),
+    )
+    ordering = ("-timestamp", )
+    search_fields = ["user__username", "user__profile__main_character__character_name"]
+
+    def _main(self, obj):
+        try:
+            return obj.user.profile.main_character
+        except AttributeError:
+            return obj.user
+    
+    _main.admin_order_field = "user__profile__main_character__character_name"
+
+    def _state(self, obj):
+        return obj.user.profile.state
+    
+    _state.admin_order_field = "user__profile__state__name"
+
+    def has_change_permission(self, request, obj=None):
+        return False
+
+    def has_add_permission(self, request) -> bool:
+        return False
diff --git a/allianceauth/notifications/handlers.py b/allianceauth/notifications/handlers.py
index 9fcaee18..20628a4a 100644
--- a/allianceauth/notifications/handlers.py
+++ b/allianceauth/notifications/handlers.py
@@ -12,21 +12,20 @@ class NotificationHandler(logging.Handler):
 
         try:
             perm = Permission.objects.get(codename="logging_notifications")
-
-            message = record.getMessage()
-            if record.exc_text:
-                message += "\n\n"
-                message = message + record.exc_text
-
-            users = User.objects.filter(
-                Q(groups__permissions=perm) | Q(user_permissions=perm) | Q(is_superuser=True)).distinct()
-
-            for user in users:
-                notify(
-                    user,
-                    "%s [%s:%s]" % (record.levelname, record.funcName, record.lineno),
-                    level=str([item[0] for item in Notification.LEVEL_CHOICES if item[1] == record.levelname][0]),
-                    message=message
-                )
         except Permission.DoesNotExist:
-            pass
+            return
+
+        message = record.getMessage()
+        if record.exc_text:
+            message += "\n\n"
+            message = message + record.exc_text
+
+        users = User.objects.filter(
+            Q(groups__permissions=perm) | Q(user_permissions=perm) | Q(is_superuser=True)).distinct()
+        for user in users:
+            notify(
+                user,
+                "%s [%s:%s]" % (record.levelname, record.funcName, record.lineno),
+                level=Notification.Level.from_old_name(record.levelname),
+                message=message
+            )
diff --git a/allianceauth/notifications/managers.py b/allianceauth/notifications/managers.py
index ceaa3e06..628ba1b9 100644
--- a/allianceauth/notifications/managers.py
+++ b/allianceauth/notifications/managers.py
@@ -12,7 +12,7 @@ class NotificationQuerySet(models.QuerySet):
     """Custom QuerySet for Notification model"""
 
     def update(self, *args, **kwargs):
-        # overriden update to ensure cache is invaidated on very call
+        """Override update to ensure cache is invalidated on very call."""
         super().update(*args, **kwargs)
         user_pks = set(self.select_related("user").values_list('user__pk', flat=True))
         for user_pk in user_pks:
@@ -43,6 +43,8 @@ class NotificationManager(models.Manager):
         if not message:
             message = title
 
+        if level not in self.model.Level:
+            level = self.model.Level.INFO
         obj = self.create(user=user, title=title, message=message, level=level)
         logger.info("Created notification %s", obj)
         return obj
diff --git a/allianceauth/notifications/migrations/0005_fix_level_choices.py b/allianceauth/notifications/migrations/0005_fix_level_choices.py
new file mode 100644
index 00000000..6cf031b7
--- /dev/null
+++ b/allianceauth/notifications/migrations/0005_fix_level_choices.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.1.12 on 2021-07-01 21:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('notifications', '0004_performance_tuning'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='notification',
+            name='level',
+            field=models.CharField(choices=[('danger', 'danger'), ('warning', 'warning'), ('info', 'info'), ('success', 'success')], default='info', max_length=10),
+        ),
+    ]
diff --git a/allianceauth/notifications/models.py b/allianceauth/notifications/models.py
index c5ff2d9e..55274d34 100644
--- a/allianceauth/notifications/models.py
+++ b/allianceauth/notifications/models.py
@@ -2,6 +2,7 @@ import logging
 
 from django.db import models
 from django.contrib.auth.models import User
+from django.utils.translation import gettext_lazy as _
 
 from .managers import NotificationManager
 
@@ -14,16 +15,42 @@ class Notification(models.Model):
     NOTIFICATIONS_MAX_PER_USER_DEFAULT = 50
     NOTIFICATIONS_REFRESH_TIME_DEFAULT = 30
 
-    LEVEL_CHOICES = (
-        ('danger', 'CRITICAL'),
-        ('danger', 'ERROR'),
-        ('warning', 'WARN'),
-        ('info', 'INFO'),
-        ('success', 'DEBUG'),
-    )
+    class Level(models.TextChoices):
+        """A notification level."""
+
+        DANGER = 'danger', _('danger')  #:
+        WARNING = 'warning', _('warning')  #:
+        INFO = 'info', _('info')  #:
+        SUCCESS = 'success', _('success')  #:
+
+        @classmethod
+        def from_old_name(cls, name: str) -> object:
+            """Map old name to enum.
+
+            Raises ValueError for invalid names.
+            """
+            name_map = {
+                "CRITICAL": cls.DANGER,
+                "ERROR": cls.DANGER,
+                "WARN": cls.WARNING,
+                "INFO": cls.INFO,
+                "DEBUG": cls.SUCCESS,
+            }
+            try:
+                return name_map[name]
+            except KeyError:
+                raise ValueError(f"Unknown name: {name}") from None
+
+    # LEVEL_CHOICES = (
+    #     ('danger', 'CRITICAL'),
+    #     ('danger', 'ERROR'),
+    #     ('warning', 'WARN'),
+    #     ('info', 'INFO'),
+    #     ('success', 'DEBUG'),
+    # )
 
     user = models.ForeignKey(User, on_delete=models.CASCADE)
-    level = models.CharField(choices=LEVEL_CHOICES, max_length=10)
+    level = models.CharField(choices=Level.choices, max_length=10, default=Level.INFO)
     title = models.CharField(max_length=254)
     message = models.TextField()
     timestamp = models.DateTimeField(auto_now_add=True, db_index=True)
@@ -45,22 +72,15 @@ class Notification(models.Model):
         Notification.objects.invalidate_user_notification_cache(self.user.pk)
 
     def mark_viewed(self) -> None:
-        """mark notification as viewed"""
+        """Mark notification as viewed."""
         logger.info("Marking notification as viewed: %s" % self)
         self.viewed = True
         self.save()
 
     def set_level(self, level_name: str) -> None:
-        """set notification level according to level name, e.g. 'CRITICAL'
+        """Set notification level according to old level name, e.g. 'CRITICAL'.
 
-        raised exception on invalid level names
+        Raises ValueError on invalid level names.
         """
-        try:
-            new_level = [
-                item[0] for item in self.LEVEL_CHOICES if item[1] == level_name
-            ][0]
-        except IndexError:
-            raise ValueError('Invalid level name: %s' % level_name)
-
-        self.level = new_level
+        self.level = self.Level.from_old_name(level_name)
         self.save()
diff --git a/allianceauth/notifications/tests/test_handlers.py b/allianceauth/notifications/tests/test_handlers.py
new file mode 100644
index 00000000..2bc04fb2
--- /dev/null
+++ b/allianceauth/notifications/tests/test_handlers.py
@@ -0,0 +1,69 @@
+from logging import LogRecord, DEBUG
+
+from django.contrib.auth.models import Permission, Group, User
+from django.test import TestCase
+from allianceauth.tests.auth_utils import AuthUtils
+
+from ..handlers import NotificationHandler
+from ..models import Notification
+
+MODULE_PATH = 'allianceauth.notifications.handlers'
+
+
+class TestHandler(TestCase):                
+    def test_do_nothing_if_permission_does_not_exist(self):
+        # given
+        Permission.objects.get(codename="logging_notifications").delete()
+        handler = NotificationHandler()
+        record = LogRecord(
+            name="name", 
+            level=DEBUG, 
+            pathname="pathname", 
+            lineno=42, 
+            msg="msg", 
+            args=[], 
+            exc_info=None,
+            func="func"
+        )
+        # when
+        handler.emit(record)
+        # then
+        self.assertEqual(Notification.objects.count(), 0)
+    
+    def test_should_emit_message_to_users_with_permission_only(self):
+        # given
+        AuthUtils.create_user('Lex Luthor')
+        user_permission = AuthUtils.create_user('Bruce Wayne')        
+        user_permission = AuthUtils.add_permission_to_user_by_name(
+            "auth.logging_notifications", user_permission
+        )
+        group = Group.objects.create(name="Dummy Group")
+        perm = Permission.objects.get(codename="logging_notifications")
+        group.permissions.add(perm)        
+        user_group = AuthUtils.create_user('Peter Parker')
+        user_group.groups.add(group)        
+        user_superuser = User.objects.create_superuser("Clark Kent")
+        handler = NotificationHandler()
+        record = LogRecord(
+            name="name", 
+            level=DEBUG, 
+            pathname="pathname", 
+            lineno=42, 
+            msg="msg", 
+            args=[], 
+            exc_info=None,
+            func="func"
+        )
+        # when
+        handler.emit(record)
+        # then
+        self.assertEqual(Notification.objects.count(), 3)
+        users = set(Notification.objects.values_list("user__pk", flat=True))
+        self.assertSetEqual(
+            users, {user_permission.pk, user_group.pk, user_superuser.pk}
+        )
+        notif = Notification.objects.first()
+        self.assertEqual(notif.user, user_permission)
+        self.assertEqual(notif.title, "DEBUG [func:42]")
+        self.assertEqual(notif.level, "success")
+        self.assertEqual(notif.message, "msg")
diff --git a/allianceauth/notifications/tests/test_managers.py b/allianceauth/notifications/tests/test_managers.py
index 2c521fec..7f62a752 100644
--- a/allianceauth/notifications/tests/test_managers.py
+++ b/allianceauth/notifications/tests/test_managers.py
@@ -65,6 +65,35 @@ class TestUserNotify(TestCase):
         self.assertEqual(obj.title, title)
         self.assertEqual(obj.message, title)
 
+    def test_should_use_default_level_when_not_specified(self):
+        # given
+        title = 'dummy_title'
+        message = 'dummy message'
+        # when
+        Notification.objects.notify_user(self.user, title, message)
+        # then
+        self.assertEqual(Notification.objects.filter(user=self.user).count(), 1)
+        obj = Notification.objects.first()
+        self.assertEqual(obj.user, self.user)
+        self.assertEqual(obj.title, title)
+        self.assertEqual(obj.message, message)
+        self.assertEqual(obj.level, Notification.Level.INFO)
+
+    def test_should_use_default_level_when_invalid_level_given(self):
+        # given
+        title = 'dummy_title'
+        message = 'dummy message'
+        level = "invalid"
+        # when
+        Notification.objects.notify_user(self.user, title, message, level)
+        # then
+        self.assertEqual(Notification.objects.filter(user=self.user).count(), 1)
+        obj = Notification.objects.first()
+        self.assertEqual(obj.user, self.user)
+        self.assertEqual(obj.title, title)
+        self.assertEqual(obj.message, message)
+        self.assertEqual(obj.level, Notification.Level.INFO)
+
     @override_settings(NOTIFICATIONS_MAX_PER_USER=3)
     def test_remove_when_too_many_notifications(self):
         Notification.objects.notify_user(self.user, 'dummy')
diff --git a/docs/development/tech_docu/api/notifications.rst b/docs/development/tech_docu/api/notifications.rst
index d2bf6352..0814739f 100644
--- a/docs/development/tech_docu/api/notifications.rst
+++ b/docs/development/tech_docu/api/notifications.rst
@@ -7,19 +7,16 @@ The notifications package has an API for sending notifications.
 Location: ``allianceauth.notifications``
 
 .. automodule:: allianceauth.notifications.__init__
-    :members: notify
-    :undoc-members:
+    :members: notify    
 
 models
 ===========
 
 .. autoclass:: allianceauth.notifications.models.Notification
-    :members: LEVEL_CHOICES, mark_viewed, set_level
-    :undoc-members:
+    :members: Level, mark_viewed, set_level    
 
 managers
 ===========
 
 .. autoclass:: allianceauth.notifications.managers.NotificationManager
     :members: notify_user, user_unread_count
-    :undoc-members: