From a374477b8d913bcba676d12026782fa478aa1daf Mon Sep 17 00:00:00 2001
From: Charissa Miller <48832936+clemiller@users.noreply.github.com>
Date: Mon, 30 Sep 2024 17:33:23 -0400
Subject: [PATCH] update changelog

---
 docs/changelog.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/changelog.md b/docs/changelog.md
index ae8c254c..916216e0 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -46,6 +46,8 @@
 - Added collection events to object history in the sidebar. See [frontend#140](https://github.com/center-for-threat-informed-defense/attack-workbench-frontend/issues/140).
 - Updated Angular to v17.
 - Updated the [integration documentation](https://github.com/center-for-threat-informed-defense/attack-workbench-frontend/blob/master/docs/integrations.md) to be compatible with v5.0.0 of the [ATT&CK Navigator](https://github.com/mitre-attack/attack-navigator).
+- Updated the associated software, group, and campaigns to require a reference or description.
+- Added validation to new reference URLs to prevent duplicate references. See [frontend#541](https://github.com/center-for-threat-informed-defense/attack-workbench-frontend/issues/541).
 
 ## 31 October 2023