diff --git a/distro/changelog.xml b/distro/changelog.xml
index 8537775..ddccdc1 100644
--- a/distro/changelog.xml
+++ b/distro/changelog.xml
@@ -1,4 +1,54 @@
 <ReleaseNotes>
+	<Changeset component="org.gcube.portlets.user.databases-manager-portlet.1-3-0"
+		date="2014-12-05">
+		<Change>ufor the submitQuery the file result management has been
+			modified. The file is retrieved from the statistical.
+			GWTdbManagerServiceImpl, GxtBorderLayoutPanel, ComputationOutput,
+			SubmitQueryResultWithFileFromServlet modified.
+			UriResolver used to generate an http link from smp url. Dependency added in the
+			pom file.
+		</Change>
+		<Change>bug fixed for ehcache. The operation of the cache-diskstore
+			pair seems not operate in a correct way when retrieving a big object
+			composed of many data. When a big object is retrieved, some data,
+			previously stored, have been corrupted.
+			In order to solve the problem, a safe procedure has been implemented
+			that, once recovered the data from cache, checks if the data are
+			corrupt. If yes, they need to be recovered again.GWTdbManagerServiceImpl class modified.
+		</Change>
+		<Change>GWTdbManagerServiceImpl class modified:
+			1)parameter eternal changed from false to true value in such a way data never
+			expire.Data will be always in cache.
+			2) method insertDataIntoCache changed in order to add a check on key.
+			If cache contains it then the related element is added in cache.
+		</Change>
+		<Change>samplings and submitQuery changed in order to return as a
+			result a map with column values truncated to 255 characters and a
+			file with the whole columns values in order to manage so to manage
+			big data properly and the conversion of a geometry data type in a
+			multipolygon representation applying the function st_astext().Classes
+			GWTdbManagerServiceImpl, GxtBorderLayoutPanel and
+			SamplingResultWithFileFromServlet changed in order to manage the
+			truncated map and the file recovered from the statistical through a
+			smt url and converted in a http url.
+		</Change>
+		<Change>dependencies modified in pom file:
+			- dependency xalan modified in provided in order to use the lib
+			available in the portal.
+			- dependency jakarta-regexp added in order to not use the package
+			regexp in xalan
+			- removed an aslcore dependency because duplicated.
+		</Change>
+		<Change>
+			- total number rows added in the header of the result related to the
+			submit Query operation: classes ComputationOutput,SubmitQueryResultWithFileFromServlet,GxtBorderLayoutPanel,
+			GWTdbManagerServiceImpl modified.
+			- class Result modified in order to implemet IsSerializable and not
+			Serializable 
+			- pom file modified in order to use gwt 2.6.1 with scope compile and
+			not use gwt from the portal bom file.
+		</Change>
+	</Changeset>
 	<Changeset component="org.gcube.portlets.user.databases-manager-portlet.1-2-0"
 		date="2014-10-27">
 		<Change>user timeout session management generating a