Add 1.26.16 release to CHANGES.rst on main

sethmlarson · web-flow · commit e67f13c44fa4 · 2023-05-23T12:58:38.000-05:00
diff --git a/CHANGES.rst b/CHANGES.rst
@@ -137,6 +137,12 @@ Fixed
 * Fixed a socket leak if ``HTTPConnection.connect()`` fails (`#2571 <https://github.com/urllib3/urllib3/pull/2571>`__).
 * Fixed ``urllib3.contrib.pyopenssl.WrappedSocket`` and ``urllib3.contrib.securetransport.WrappedSocket`` close methods (`#2970 <https://github.com/urllib3/urllib3/issues/2970>`__)
 
+1.26.16 (2023-05-23)
+====================
+
+* Fixed thread-safety issue where accessing a ``PoolManager`` with many distinct origins
+  would cause connection pools to be closed while requests are in progress (`#2954 <https://github.com/urllib3/urllib3/pull/2954>`_)
+
 1.26.15 (2023-03-10)
 ====================
 
