Change notes. [skip ci]

changelog.rst

@@ -14,6 +14,9 @@
   erratic, difficult to debug behaviour.
 - Fix an ``AttributeError`` from ``gevent.queue.Queue`` when ``peek``
   was called on an empty ``Queue``. Reported in :issue:`643` by michaelvol.
+- Make ``SIGCHLD`` handlers specified to ``signal.signal`` work with
+  the child watchers that are used by default. Also make
+  ``os.waitpid`` work with a first argument of -1.
 
 1.1b3 (Aug 16, 2015)
 ====================

gevent/signal.py

@@ -4,6 +4,8 @@ Cooperative implementation of special cases of :func:`signal.signal`.
 This module is designed to work with libev's child watchers, as used by
 default in :func:`gevent.os.fork` Note that each SIGCHLD handler will be run
 in a new greenlet when the signal is delivered (just like :class:`gevent.hub.signal`)
+
+.. versionadded:: 1.1b4
 """
 
 from __future__ import absolute_import