diff --git a/CHANGELOG b/CHANGELOG
index 70bb1e665..3457d4e7d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -46,7 +46,8 @@ Core:
 - Fixing error when clearing empty chat [#3199].
 - Added notify system [#3212].
 - Enhanced performance esp. for server restart and first connection of all
-  clients by refactorting autoupdate, Collection and AccessPermission [#3223].
+  clients by refactoring autoupdate, Collection and AccessPermission [#3223].
+- Fixes autoupdate bug for a user without user.can_see_name permission [#3233].
 
 Mediafiles:
 - Fixed reloading of PDF on page change [#3274]
diff --git a/openslides/agenda/views.py b/openslides/agenda/views.py
index 0de3884f2..f34db09fd 100644
--- a/openslides/agenda/views.py
+++ b/openslides/agenda/views.py
@@ -103,6 +103,10 @@ class ItemViewSet(ListModelMixin, RetrieveModelMixin, UpdateModelMixin, GenericV
                 raise ValidationError({'detail': str(e)})
             message = _('User %s was successfully added to the list of speakers.') % user
 
+            # Send new speaker via autoupdate because users without permission
+            # to see users may not have it but can get it now.
+            inform_changed_data([user])
+
         else:
             # request.method == 'DELETE'
             speaker_ids = request.data.get('speaker')
diff --git a/openslides/assignments/views.py b/openslides/assignments/views.py
index f7012dc7d..3ebf251ea 100644
--- a/openslides/assignments/views.py
+++ b/openslides/assignments/views.py
@@ -79,6 +79,9 @@ class AssignmentViewSet(ModelViewSet):
             self.permission_denied(request)
         # If the request.user is already a candidate he can nominate himself nevertheless.
         assignment.set_candidate(request.user)
+        # Send new candidate via autoupdate because users without permission
+        # to see users may not have it but can get it now.
+        inform_changed_data([request.user])
         return _('You were nominated successfully.')
 
     def withdraw_self(self, request, assignment):
@@ -140,6 +143,9 @@ class AssignmentViewSet(ModelViewSet):
         if assignment.is_candidate(user):
             raise ValidationError({'detail': _('User %s is already nominated.') % user})
         assignment.set_candidate(user)
+        # Send new candidate via autoupdate because users without permission
+        # to see users may not have it but can get it now.
+        inform_changed_data(user)
         return _('User %s was nominated successfully.') % user
 
     def delete_other(self, request, user, assignment):
diff --git a/openslides/core/views.py b/openslides/core/views.py
index 5b09cff78..856920b9b 100644
--- a/openslides/core/views.py
+++ b/openslides/core/views.py
@@ -723,6 +723,9 @@ class ChatMessageViewSet(ModelViewSet):
         method so that the request.user can be saved into the model field.
         """
         serializer.save(user=self.request.user)
+        # Send chatter via autoupdate because users without permission
+        # to see users may not have it but can get it now.
+        inform_changed_data([self.request.user])
 
     @list_route(methods=['post'])
     def clear(self, request):
diff --git a/openslides/mediafiles/models.py b/openslides/mediafiles/models.py
index 85667dc87..c5b0d6c5f 100644
--- a/openslides/mediafiles/models.py
+++ b/openslides/mediafiles/models.py
@@ -2,6 +2,7 @@ from django.conf import settings
 from django.db import models
 from django.utils.translation import ugettext as _
 
+from ..utils.autoupdate import inform_changed_data
 from ..utils.models import RESTModelMixin
 from .access_permissions import MediafileAccessPermissions
 
@@ -52,6 +53,16 @@ class Mediafile(RESTModelMixin, models.Model):
         """
         return self.title
 
+    def save(self, *args, **kwargs):
+        """
+        Saves mediafile (mainly on create and update requests).
+        """
+        result = super().save(*args, **kwargs)
+        # Send uploader via autoupdate because users without permission
+        # to see users may not have it but can get it now.
+        inform_changed_data(self.uploader)
+        return result
+
     def get_filesize(self):
         """
         Transforms bytes to kilobytes or megabytes. Returns the size as string.
diff --git a/openslides/motions/serializers.py b/openslides/motions/serializers.py
index 79997fa30..47e25bd01 100644
--- a/openslides/motions/serializers.py
+++ b/openslides/motions/serializers.py
@@ -1,8 +1,8 @@
 from django.db import transaction
 from django.utils.translation import ugettext as _
 
-from openslides.poll.serializers import default_votes_validator
-from openslides.utils.rest_api import (
+from ..poll.serializers import default_votes_validator
+from ..utils.rest_api import (
     CharField,
     DictField,
     Field,
@@ -12,8 +12,7 @@ from openslides.utils.rest_api import (
     SerializerMethodField,
     ValidationError,
 )
-from openslides.utils.validate import validate_html
-
+from ..utils.validate import validate_html
 from .models import (
     Category,
     Motion,
diff --git a/openslides/motions/views.py b/openslides/motions/views.py
index 05a58c9c4..b527a55f4 100644
--- a/openslides/motions/views.py
+++ b/openslides/motions/views.py
@@ -137,6 +137,13 @@ class MotionViewSet(ModelViewSet):
 
         # Write the log message and initiate response.
         motion.write_log([ugettext_noop('Motion created')], request.user)
+
+        # Send new submitters and supporters via autoupdate because users
+        # without permission to see users may not have them but can get it now.
+        new_users = list(motion.submitters.all())
+        new_users.extend(motion.supporters.all())
+        inform_changed_data(new_users)
+
         headers = self.get_success_headers(serializer.data)
         return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
 
@@ -198,6 +205,13 @@ class MotionViewSet(ModelViewSet):
                 not has_perm(request.user, 'motions.can_manage')):
             updated_motion.supporters.clear()
             updated_motion.write_log([ugettext_noop('All supporters removed')], request.user)
+
+        # Send new submitters and supporters via autoupdate because users
+        # without permission to see users may not have them but can get it now.
+        new_users = list(updated_motion.submitters.all())
+        new_users.extend(updated_motion.supporters.all())
+        inform_changed_data(new_users)
+
         return Response(serializer.data)
 
     @detail_route(methods=['put', 'delete'])
@@ -265,6 +279,9 @@ class MotionViewSet(ModelViewSet):
                 raise ValidationError({'detail': _('You can not support this motion.')})
             motion.supporters.add(request.user)
             motion.write_log([ugettext_noop('Motion supported')], request.user)
+            # Send new supporter via autoupdate because users without permission
+            # to see users may not have it but can get it now.
+            inform_changed_data([request.user])
             message = _('You have supported this motion successfully.')
         else:
             # Unsupport motion.
diff --git a/openslides/utils/collection.py b/openslides/utils/collection.py
index 9c1dad52e..f23426362 100644
--- a/openslides/utils/collection.py
+++ b/openslides/utils/collection.py
@@ -102,13 +102,13 @@ class CollectionElement:
         """
         from .autoupdate import format_for_autoupdate
 
-        # TODO: Revert this after get_projector_data is also enhanced like get_restricted_data.
+        # TODO: Revert this after get_projector_data is also enhanced like get_restricted_data. See also #3282.
         if method == 'get_restricted_data':
             container = self
+        elif not self.is_deleted():
+            container = self.get_full_data()
         else:
-            # TODO: Find a better solution for this hotfix, see issue #3282.
-            if not self.is_deleted():
-                container = self.get_full_data()
+            container = None
         # End of hack
 
         if not self.is_deleted():
diff --git a/tests/unit/agenda/test_views.py b/tests/unit/agenda/test_views.py
index 11efb7638..de4fdd9c6 100644
--- a/tests/unit/agenda/test_views.py
+++ b/tests/unit/agenda/test_views.py
@@ -15,9 +15,10 @@ class ItemViewSetManageSpeaker(TestCase):
         self.view_instance.get_object = get_object_mock = MagicMock()
         get_object_mock.return_value = self.mock_item = MagicMock()
 
+    @patch('openslides.agenda.views.inform_changed_data')
     @patch('openslides.agenda.views.has_perm')
     @patch('openslides.agenda.views.Speaker')
-    def test_add_oneself_as_speaker(self, mock_speaker, mock_has_perm):
+    def test_add_oneself_as_speaker(self, mock_speaker, mock_has_perm, mock_icd):
         self.request.method = 'POST'
         self.request.user = 1
         mock_has_perm.return_value = True
@@ -28,10 +29,11 @@ class ItemViewSetManageSpeaker(TestCase):
 
         mock_speaker.objects.add.assert_called_with(self.request.user, self.mock_item)
 
+    @patch('openslides.agenda.views.inform_changed_data')
     @patch('openslides.agenda.views.has_perm')
     @patch('openslides.agenda.views.get_user_model')
     @patch('openslides.agenda.views.Speaker')
-    def test_add_someone_else_as_speaker(self, mock_speaker, mock_get_user_model, mock_has_perm):
+    def test_add_someone_else_as_speaker(self, mock_speaker, mock_get_user_model, mock_has_perm, mock_icd):
         self.request.method = 'POST'
         self.request.user = 1
         self.request.data = {'user': '2'}  # It is assumed that the request user has pk!=2.
diff --git a/tests/unit/motions/test_views.py b/tests/unit/motions/test_views.py
index 1d7f71bf1..21b841c44 100644
--- a/tests/unit/motions/test_views.py
+++ b/tests/unit/motions/test_views.py
@@ -17,9 +17,10 @@ class MotionViewSetCreate(TestCase):
         self.view_instance.get_serializer = get_serializer_mock = MagicMock()
         get_serializer_mock.return_value = self.mock_serializer = MagicMock()
 
+    @patch('openslides.motions.views.inform_changed_data')
     @patch('openslides.motions.views.has_perm')
     @patch('openslides.motions.views.config')
-    def test_simple_create(self, mock_config, mock_has_perm):
+    def test_simple_create(self, mock_config, mock_has_perm, mock_icd):
         self.request.user = 1
         mock_has_perm.return_value = True
 
@@ -41,9 +42,10 @@ class MotionViewSetUpdate(TestCase):
         self.view_instance.get_serializer = get_serializer_mock = MagicMock()
         get_serializer_mock.return_value = self.mock_serializer = MagicMock()
 
+    @patch('openslides.motions.views.inform_changed_data')
     @patch('openslides.motions.views.has_perm')
     @patch('openslides.motions.views.config')
-    def test_simple_update(self, mock_config, mock_has_perm):
+    def test_simple_update(self, mock_config, mock_has_perm, mock_icd):
         self.request.user = 1
         self.request.data.get.return_value = versioning_mock = MagicMock()
         mock_has_perm.return_value = True