From 472b3029c4467e487f36ba93c70303ec12b3eb8b Mon Sep 17 00:00:00 2001
From: Markos Gogoulos <markos@sixfeetup.com>
Date: Thu, 29 Jan 2026 15:58:07 +0200
Subject: [PATCH] wtv

---
 cms/settings.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cms/settings.py b/cms/settings.py
index 686092a6..19bb8438 100644
--- a/cms/settings.py
+++ b/cms/settings.py
@@ -416,7 +416,9 @@ CACHES = {
     }
 }
 
-SESSION_ENGINE = "django.contrib.sessions.backends.cache"
+# Use cached_db for reliability - stores in both cache AND database
+# This prevents session loss during multiple simultaneous LTI launches
+SESSION_ENGINE = "django.contrib.sessions.backends.cached_db"
 SESSION_CACHE_ALIAS = "default"
 
 # CELERY STUFF