Add a change note for #280 [skip ci]

ConnectionPool and ConnectionPool.map both had docstrings and were used by third-party code. People should be warned about this potentially breaking change.
zopefoundation · Jun 12, 2020 · e71bb8c · e71bb8c
1 parent 8303cf2
commit e71bb8c
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -52,6 +52,10 @@
 
 - Fix inconsistent resolution order with zope.interface v5.
 
+- Remove ``ConnectionPool.map()``. Instead, ``ConnectionPool`` is now
+  iterable. See `PR 280
+  <https://github.com/zopefoundation/ZODB/pull/280>`_.
+
 5.5.1 (2018-10-25)
 ==================