Changed StoredDebugToolbar.from_store to always create panel keys.

debug_toolbar/toolbar.py

@@ -221,9 +221,8 @@ def from_store(cls, request_id, panel_id=None):
             if panel_id and panel.panel_id != panel_id:
                 continue
             data = toolbar.store.panel(toolbar.request_id, panel.panel_id)
-            if data:
-                panel.load_stats_from_store(data)
-                toolbar._panels[panel.panel_id] = panel
+            panel.load_stats_from_store(data)
+            toolbar._panels[panel.panel_id] = panel
         return toolbar
 
 

docs/changes.rst

@@ -8,6 +8,8 @@ Pending
 * Removed logging about the toolbar failing to serialize a value into JSON.
 * Moved the the import statement of ``debug_toolbar.urls`` to within the if
   statement's scope on the installation documentation.
+* Changed ``StoredDebugToolbar.from_store`` to always create a panel key and
+  class instance, regardless if any data was generated.
 
 6.0.0 (2025-07-22)
 ------------------

tests/panels/test_history.py

@@ -5,6 +5,7 @@
 from django.urls import resolve, reverse
 
 from debug_toolbar.panels.history import HistoryPanel
+from debug_toolbar.panels.redirects import RedirectsPanel
 from debug_toolbar.store import get_store
 from debug_toolbar.toolbar import DebugToolbar
 
@@ -80,6 +81,7 @@ class HistoryViewsTestCase(IntegrationTestCase):
         "AlertsPanel",
         "CachePanel",
         "SignalsPanel",
+        "ProfilingPanel",
     }
 
     def test_history_panel_integration_content(self):
@@ -138,6 +140,7 @@ def test_history_sidebar_includes_history(self):
         self.client.get("/json_view/")
         panel_keys = copy.copy(self.PANEL_KEYS)
         panel_keys.add(HistoryPanel.panel_id)
+        panel_keys.add(RedirectsPanel.panel_id)
         request_id = list(get_store().request_ids())[0]
         data = {"request_id": request_id}
         response = self.client.get(reverse("djdt:history_sidebar"), data=data)