From 83aaa99637c41ff258daa35997c230cab234b131 Mon Sep 17 00:00:00 2001
From: "Olivier Wilkinson (reivilibre)" <oliverw@matrix.org>
Date: Tue, 10 May 2022 12:15:28 +0100
Subject: [PATCH] Newsfile

Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
---
 changelog.d/12687.bugfix | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog.d/12687.bugfix

diff --git a/changelog.d/12687.bugfix b/changelog.d/12687.bugfix
new file mode 100644
index 000000000000..196d9766707a
--- /dev/null
+++ b/changelog.d/12687.bugfix
@@ -0,0 +1 @@
+Add a unique index to `state_group_edges` to prevent duplicates being accidentally introduced and the consequential impact to performance.
\ No newline at end of file