From 9ab988d6e161bd07b71af0fa87daf585442304e8 Mon Sep 17 00:00:00 2001
From: Matthew Hodgson <matthew@matrix.org>
Date: Sat, 8 Aug 2026 22:16:38 +0300
Subject: [PATCH] Changelog

---
 changelog.d/20078.misc | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog.d/20078.misc

diff --git a/changelog.d/20078.misc b/changelog.d/20078.misc
new file mode 100644
index 0000000000..63e8709379
--- /dev/null
+++ b/changelog.d/20078.misc
@@ -0,0 +1 @@
+Speed up the room hierarchy endpoints by parallelising the traversal and caching per-room summaries, invalidated when the underlying data changes.