diff --git a/cms/cms_toolbars.py b/cms/cms_toolbars.py
index 1d27b5e81f3..069edaac863 100644
--- a/cms/cms_toolbars.py
+++ b/cms/cms_toolbars.py
@@ -17,6 +17,7 @@
 from cms.toolbar_pool import toolbar_pool
 from cms.utils import get_language_from_request, page_permissions
 from cms.utils.conf import get_cms_setting
+from cms.utils.compat import DJANGO_5_0
 from cms.utils.i18n import get_language_dict, get_language_tuple
 from cms.utils.page_permissions import user_can_change_page, user_can_delete_page, user_can_publish_page
 from cms.utils.urlutils import add_url_parameters, admin_reverse
@@ -225,7 +226,7 @@ def add_logout_button(self, parent):
             action=admin_reverse('logout'),
             active=True,
             on_success=on_success,
-            method='GET',
+            method='GET' if not DJANGO_5_0 else 'POST',
         )
 
     def add_language_menu(self):
diff --git a/cms/models/pluginmodel.py b/cms/models/pluginmodel.py
index 48876d1b504..0d84f09dfbd 100644
--- a/cms/models/pluginmodel.py
+++ b/cms/models/pluginmodel.py
@@ -80,6 +80,10 @@ def __new__(cls, name, bases, attrs):
         # if there is a RenderMeta in attrs, use this one
         # else try to use the one from the superclass (if present)
         meta = attr_meta or getattr(new_class, '_render_meta', None)
+        treebeard_view_fields = (f for f in new_class._meta.fields
+                                 if f.name in ('depth', 'numchild', 'path'))
+        for field in treebeard_view_fields:
+            field.editable = False
         # set a new BoundRenderMeta to prevent leaking of state
         new_class._render_meta = BoundRenderMeta(meta)
         return new_class
diff --git a/cms/tests/test_forms.py b/cms/tests/test_forms.py
index fd850572840..f764f40cb63 100644
--- a/cms/tests/test_forms.py
+++ b/cms/tests/test_forms.py
@@ -13,7 +13,7 @@
     ViewRestrictionInlineAdminForm,
 )
 from cms.api import assign_user_to_page, create_page, create_title
-from cms.forms.fields import PageSelectFormField, SuperLazyIterator
+from cms.forms.fields import LazyChoiceField, PageSelectFormField, SuperLazyIterator
 from cms.forms.utils import get_page_choices, get_site_choices, update_site_and_page_choices
 from cms.forms.widgets import ApplicationConfigSelect
 from cms.models import ACCESS_PAGE, ACCESS_PAGE_AND_CHILDREN
diff --git a/cms/tests/test_toolbar.py b/cms/tests/test_toolbar.py
index dc54bccb1f1..ad506949a85 100644
--- a/cms/tests/test_toolbar.py
+++ b/cms/tests/test_toolbar.py
@@ -40,7 +40,7 @@
 from cms.toolbar.items import AjaxItem, Break, ItemSearchResult, LinkItem, SubMenu, ToolbarAPIMixin
 from cms.toolbar.toolbar import CMSToolbar
 from cms.toolbar_pool import toolbar_pool
-from cms.utils.compat import DJANGO_4_2
+from cms.utils.compat import DJANGO_4_2, DJANGO_5_0
 from cms.utils.conf import get_cms_setting
 from cms.utils.i18n import get_language_tuple
 from cms.utils.urlutils import admin_reverse
@@ -641,7 +641,10 @@ def test_hide_toolbar_login_nonstaff(self):
     def test_admin_logout_staff(self):
         with override_settings(CMS_PERMISSION=True):
             with self.login_user_context(self.get_staff()):
-                response = self.client.get('/en/admin/logout/')
+                if DJANGO_5_0:
+                    response = self.client.post('/en/admin/logout/')
+                else:
+                    response = self.client.get('/en/admin/logout/')
                 self.assertEqual(response.status_code, 200)
 
     def test_show_toolbar_without_edit(self):
diff --git a/cms/utils/compat/__init__.py b/cms/utils/compat/__init__.py
index cf42b692ac9..085512f83b6 100644
--- a/cms/utils/compat/__init__.py
+++ b/cms/utils/compat/__init__.py
@@ -14,3 +14,4 @@
 DJANGO_3 = Version(DJANGO_VERSION) < Version('4.0')
 DJANGO_4_1 = Version(DJANGO_VERSION) < Version('4.2')
 DJANGO_4_2 = Version(DJANGO_VERSION) < Version('4.3')
+DJANGO_5_0 = Version(DJANGO_VERSION) < Version('5.1')