diff --git a/coolamqp/__init__.py b/coolamqp/__init__.py
index a790050877d8a8b41632471a0228d1ffa856d5bc..7ef4bfb6dcd5c1d13153768c1a3081522ab7fdf1 100644
--- a/coolamqp/__init__.py
+++ b/coolamqp/__init__.py
@@ -1 +1 @@
-__version__ = '2.0.0a1'
+__version__ = '2.0.0a2'
diff --git a/docs/whatsnew.rst b/docs/whatsnew.rst
index d696f22d3cbbf9af1bacaf8b53404289ae10f308..1757077915348433f76bca7adfc863d100fdd702 100644
--- a/docs/whatsnew.rst
+++ b/docs/whatsnew.rst
@@ -7,6 +7,11 @@ pick their names for themselves.
 It also forbids some combinations of Queue arguments, and makes the default values more palatable, so for example
 a naked :class:`coolamqp.objects.Queue` will be anonymous, non-durable, exclusive and auto-delete.
 
+Cluster.publish
+---------------
+
+:meth:`coolamqp.clustering.Cluster.publish` has no longer the tx param, which has been deprecated.
+
 Queues
 ------