From 1bdf035802479afd232b0d41fbe3823345773e9d Mon Sep 17 00:00:00 2001
From: Noah Stapp <noah.stapp@mongodb.com>
Date: Wed, 23 Apr 2025 16:32:08 -0400
Subject: [PATCH] PYTHON-5212 changelog update (#2306)

---
 doc/changelog.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/changelog.rst b/doc/changelog.rst
index 4fff06c9c..46e7364f5 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -16,6 +16,8 @@ Version 4.12.1 is a bug fix release.
   errors such as: "NotImplementedError: Database objects do not implement truth value testing or bool()".
 - Removed Eventlet testing against Python versions newer than 3.9 since
   Eventlet is actively being sunset by its maintainers and has compatibility issues with PyMongo's dnspython dependency.
+- Fixed a bug where MongoDB cluster topology changes could cause asynchronous operations to take much longer to complete
+  due to holding the Topology lock while closing stale connections.
 
 Issues Resolved
 ...............