more detailed explanation in pinned versions.

stack/erp5/buildout.cfg

@@ -540,18 +540,42 @@ scripts =
 Acquisition = 2.13.7nxd001
 Products.DCWorkflow = 2.2.3nxd002
 
+# specify dev version to be sure that an old released version is not used
+cloudooo = 1.2.5-dev
+
+# use newer version than specified in ZTK
+lxml = 2.3.6
+
 # Known version with works
 numpy = 1.6.2
+
+# test_UserManagerInterfaces in testERP5Security fails with 1.10.0.
+Products.PluggableAuthService = 1.9.0
+
+# official pysvn egg does not supports --include-dirs and
+# --library-dirs, so we use our modified version
+pysvn = 1.7.4nxd006
+
+# modified version to support ipv6
+python-memcached = 1.47-ipv6-1
+
+# use newest version of pytz
+pytz =
+
 # Patched version which support python 2.6
 PyXML = 0.8.4nxd001
-# modified version that works fine for buildout installation
-SOAPpy = 0.12.0nxd001
+
 # we are still using this old stable version.
 rdiff-backup = 1.0.5
 
-# official pysvn egg does not supports --include-dirs and
-# --library-dirs, so we use our modified version
-pysvn = 1.7.4nxd006
+# use dev version
+setuptools = 0.6c12dev-r88846
+
+# use newest version of slapos.cookbook
+slapos.cookbook =
+
+# modified version that works fine for buildout installation
+SOAPpy = 0.12.0nxd001
 
 # CMF 2.3 requries Zope 2.13.
 Products.CMFCalendar = 2.2.2
@@ -560,8 +584,6 @@ Products.CMFDefault = 2.2.2
 Products.CMFTopic = 2.2.1
 Products.CMFUid = 2.2.1
 
-slapos.cookbook =
-
 # Pinned versions
 Flask = 0.9
 GitPython = 0.3.2.RC1
@@ -576,7 +598,6 @@ Products.ExternalEditor = 1.1.0
 Products.GenericSetup = 1.7.3
 Products.LongRequestLogger = 1.1.0
 Products.MimetypesRegistry = 2.0.4
-Products.PluggableAuthService = 1.9.0
 Products.PluginRegistry = 1.3
 Products.TIDStorage = 5.4.8
 Products.Zelenium = 1.0.3
@@ -591,7 +612,6 @@ atomize = 0.1.1
 buildout-versions = 1.7
 cElementTree = 1.0.5-20051216
 chardet = 2.1.1
-cloudooo = 1.2.5-dev
 coverage = 3.6
 csp-eventlet = 0.7.0
 elementtree = 1.2.7-20070827-preview
@@ -610,7 +630,6 @@ huBarcode = 0.63
 inotifyx = 0.2.0
 ipdb = 0.7
 ipython = 0.13.1
-lxml = 2.3.6
 meld3 = 0.6.10
 mr.developer = 1.21
 netaddr = 0.7.10
@@ -625,12 +644,10 @@ psutil = 0.6.1
 pyflakes = 0.6.1
 python-ldap = 2.4.10
 python-magic = 0.4.3
-python-memcached = 1.47-ipv6-1
 qrcode = 2.4.2
 requests = 1.1.0
 restkit = 4.2.0
 rtjp-eventlet = 0.3.2
-setuptools = 0.6c12dev-r88846
 slapos.core = 0.34
 slapos.libnetworkcache = 0.13.2
 slapos.recipe.build = 0.11.6