diff --git a/CHANGES b/CHANGES
index 2647f0af..ee915ca3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,81 @@
+Changes for UniMRCP-1.4.0
+
+  APR-toolkit library
+
+  * Implemented a more flexible log filtering rules, which can be applied to various log sources.
+  * Added helper macros for declaration and implementation of custom log sources.
+
+  MPF library
+
+  * Added new helper functions to allocate and copy RTP media and termination descriptors.
+  * Implemented a custom log source by using a new MPF_LOG_MARK instead of the default APT_LOG_MARK.
+  * Fixed the RTP port management routine to allocate ports within the specified range, even if the
+    range contains odd number of ports. (Issue #182)
+
+  MRCP client library
+
+  * Added an extended version of the function mrcp_session_create(), which takes an external memory
+    pool as an input argument by optionally taking ownership of the provided pool.
+  * Added support for NTATAG_TIMER_C, which is disabled by default and can be specified via the
+    client API or the configuration file unimrcpclient.xml.
+
+  MRCP server library
+
+  * Moved the function mrcp_session_answer_create() to a common place, since this function is used
+    not only by the server, but also by a new proxy application.
+  * Added a new helper macro for the plugins providing support for the use a custom log source.
+
+  MRCPv2 transport library
+  
+  * Added a new function mrcp_control_offer_copy(), which is used by the proxy application to copy
+    an offer received from the client in order to amend and send it over to the server.
+
+  RTSP library
+
+  * Implemented a custom log source by using a new RTSP_LOG_MARK instead of the default APT_LOG_MARK.
+
+  Sofia-SIP module (MRCPv2 agent)
+
+  * Implemented a custom log source by using a new SIP_LOG_MARK instead of the default APT_LOG_MARK.
+  * Fixed a memory leak in processing of SIP OPTIONS requests by destroying the corrresponding
+    nua_handle after sending a response.
+  
+  RTSP module (MRCPv1 agent)
+
+  * Store the RTSP response code irregardless of presence of a message body.
+  * Implemented a custom log source by using a new RTSP_LOG_MARK instead of the default APT_LOG_MARK.
+  * Fixed processing of malformed responses not having the RTSP Content-Type set.
+
+  Demo plugins
+  
+  * Using the new macro MRCP_PLUGIN_LOG_SOURCE_IMPLEMENT(), which allows to apply flexible log
+    filtering rules to log records produced by plugins.
+  * Fixed a possible NULL dereference, reported by Coverity scan.
+  
+  UMC sample application
+
+  * Store and use the length of content loaded from a file not only for DEFINE-GRAMMAR requests, 
+    but also for others.
+  * Use the newly added mrcp_session_create_ex() mostly as a sample reference.
+  * Slightly modified relationship between the classes UmcFramework and UmcSession mainly with regard
+    to session tearing down routine.
+  * Made non-functional changes to use a unified C++ coding style.
+  * Took out an unused member variable m_pTimer.
+  
+  Miscellaneous
+
+  * Added .gitignore file.
+  * Replaced references to Google Code with GitHub.
+  * Removed the legacy keyword $Id from all the header and source files.
+  * Updated the default logger.xml to include several custom log sources.
+  * Redefined the information provided by uni_revision.h.
+  * Using a new macro UNI_FULL_VERSION_STRING to output version information in applications.
+  * Added initial support for CMake-base build.
+  * Fixed compilation warnings encountered with VS2015.
+  * Added a test SIPP scenario for the UAC resource discovery, which is mainly used as a keep-alive
+    mechanism by MRCP clients.
+
+
 Changes for UniMRCP-1.3.0
 
   APR-toolkit library
@@ -89,7 +167,7 @@ Changes for UniMRCP-1.3.0
     source/build tree but also for the full path to Sofia-SIP pkg-config file.
   * Added a new optional command-line argument '--dir-layout' to the applications unimrcpserver,
     unimrcpclient, and umc. The argument, if specified, allows to load a custom directories layout 
-	from the provided configuration file.
+    from the provided configuration file.
   * Use AM_PROG_CC_C_O macro in configure.ac, since automake 1.9 fails to generate Makefile.in 
     when/if the option subdir-objects is specified with AM_INIT_AUTOMAKE but AM_PROG_CC_C_O is not used.
   * Added new configure enable/disable options to control build of libraries and applications