diff --git a/docs/source/changelog.md b/docs/source/changelog.md
index ba133fd1..491affc2 100644
--- a/docs/source/changelog.md
+++ b/docs/source/changelog.md
@@ -1 +1 @@
-# Release Notes

* [Version 1.5](./history/1.5.html)
* [Version 1.4](./history/1.4.html)
* [Version 1.3](./history/1.3.html)
* [Version 1.2](./history/1.2.html)
* [Version 1.1](./history/1.1.html)
* [Version 1.0](./history/1.0.html)
* [Pre Version 1.0](./history/pre1.0.html)
\ No newline at end of file
+# Release Notes

* [Version 1.6](./history/1.6.html)
* [Version 1.5](./history/1.5.html)
* [Version 1.4](./history/1.4.html)
* [Version 1.3](./history/1.3.html)
* [Version 1.2](./history/1.2.html)
* [Version 1.1](./history/1.1.html)
* [Version 1.0](./history/1.0.html)
* [Pre Version 1.0](./history/pre1.0.html)
\ No newline at end of file
diff --git a/docs/source/history/1.5.md b/docs/source/history/1.5.md
index 0aace66b..dc189728 100644
--- a/docs/source/history/1.5.md
+++ b/docs/source/history/1.5.md
@@ -1,13 +1,3 @@
-## Ver. 1.5.6 - 2016-Nov-20
-
-This version bring a critical bug fix for HTTP responses with non standard values in body.
-
-* New ``is_message_complete`` method in ``HttpResponse``
-* Critical bug fix for HTTP response with body when they should not have it.
-  Disregard the body or chunked header [#257](https://github.com/quantmind/pulsar/pull/257)
-* If [http-request](https://github.com/benoitc/http-parser) module is installed, use its C parser as default HTTP parser. Th python parser can still be used by passing ``--http-py-parser`` flag in the command line
-
-
 ## Ver. 1.5.5 - 2016-Nov-20
 
 Bug fix release with improvements in the Http client for streaming
@@ -84,4 +74,4 @@ To use the this third party event loop, pass the ``--io uv`` flag in the command
 * Removed ``require`` script from wsgi media and refactoring [#239](https://github.com/quantmind/pulsar/issues/239)
 * Test.wait only support ``assertRaises`` [#235](https://github.com/quantmind/pulsar/issues/235)
 * Removed ``yield from`` from all tests
-* No more docs in http://pythonhosted.org/pulsar/
\ No newline at end of file
+* No more docs in http://pythonhosted.org/pulsar/
diff --git a/docs/source/history/1.6.md b/docs/source/history/1.6.md
new file mode 100644
index 00000000..b2241b10
--- /dev/null
+++ b/docs/source/history/1.6.md
@@ -0,0 +1,15 @@
+## Ver. 1.6.0 - 2016-Nov-20
+
+A new series with improvements in the HTTP client and server.
+Broadly compatible with the 1.5 series with exception of headers definitions and actors
+based on ``multiprocessing`` module (both have been removed because not used).
+This version brings a critical bug fix for HTTP responses with non standard
+values in body or content headers
+
+* New ``is_message_complete`` method in ``HttpResponse``
+* Critical bug fix for HTTP response with body when they should not have it.
+  Disregard the body and content headers [#257](https://github.com/quantmind/pulsar/pull/257)
+* If [http-request](https://github.com/benoitc/http-parser) module is installed, use its C parser as default HTTP parser. Th python parser can still be used by passing ``--http-py-parser`` flag in the command line
+* Removed headers definitions, no longer used [222](https://github.com/quantmind/pulsar/issues/222)
+* Removed actors based on ``multiprocessing`` module, not needed
+
diff --git a/pulsar/__init__.py b/pulsar/__init__.py
index 14572f4a..45af7214 100644
--- a/pulsar/__init__.py
+++ b/pulsar/__init__.py
@@ -5,7 +5,7 @@
 from .utils.version import get_version
 
 
-VERSION = (1, 5, 6, 'final', 0)
+VERSION = (1, 6, 0, 'final', 0)
 
 __version__ = version = get_version(VERSION)
 
diff --git a/pulsar/async/concurrency.py b/pulsar/async/concurrency.py
index 3d6dff56..00e03ef5 100644
--- a/pulsar/async/concurrency.py
+++ b/pulsar/async/concurrency.py
@@ -5,7 +5,7 @@
 import pickle
 from time import time
 from collections import OrderedDict
-from multiprocessing import Process, current_process
+from multiprocessing import current_process
 from multiprocessing.reduction import ForkingPickler
 
 import pulsar
@@ -736,18 +736,6 @@ def run(self):
         run_actor(self)
 
 
-class ActorMultiProcess(ProcessMixin, Concurrency, Process):
-    '''Actor on a Operative system process.
-    Created using the python multiprocessing module.
-    '''
-    def run(self):  # pragma    nocover
-        # The coverage for this process has not yet started
-        run_actor(self)
-
-    def kill(self, sig):
-        system.kill(self.pid, sig)
-
-
 class ActorProcess(ProcessMixin, Concurrency):
     '''Actor on a Operative system process.
     '''
@@ -812,8 +800,7 @@ def run_actor(self, actor):
     'monitor': MonitorConcurrency,
     'coroutine': ActorCoroutine,
     'thread': ActorThread,
-    'process': ActorProcess,
-    'multi': ActorMultiProcess
+    'process': ActorProcess
 }