diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0589c0281..7aa392731 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.5)
 # ===========================================================================
 
 PROJECT(antaresXpansion VERSION 1.4.0)
-set(ANTARES_XPANSION_RC 2)
+set(ANTARES_XPANSION_RC 3)
 
 # ===========================================================================
 # Default parameters
diff --git a/docs/changelog/CHANGELOG.md b/docs/changelog/CHANGELOG.md
index c859f0f62..819dd1c7d 100644
--- a/docs/changelog/CHANGELOG.md
+++ b/docs/changelog/CHANGELOG.md
@@ -1,12 +1,14 @@
 Antares-Xpansion changelog
 =================
 
-v1.4.0 (09/2024)
+v1.4.0 (12/2024)
 --------------------------------------------------------
 ### Features
-* Update Antares Simulator to  9.2-RC4
+* Update Antares Simulator to  9.2-RC5
 * Output file **criterions.txt** is renamed **LOLD.txt** as it gathers the loss of load for each area at each iteration of the algorithm
+* End to end coherence of solvers : if Xpress is selected, it is also used for Antares step (does not work yet with memory mode), if coin is selected, sirius is used in Antares
 * Support for in memory problems between Antares and problem generation
+* Remove local UI support [#972](https://github.com/AntaresSimulatorTeam/antares-xpansion/pull/972)
 * Properly handle Antares Simulator errors. Especially error -9 occurring when running out of memory where Xpansion tried to continue in an improper state.
 
 ### For developers
@@ -14,11 +16,14 @@ v1.4.0 (09/2024)
 * Update and improve documentation
 * Use devtoolset 11 for CentOS and OL8
 * Add some tests using cucumber
+* Improve maintainability [#965](https://github.com/AntaresSimulatorTeam/antares-xpansion/pull/965)
+* Fix performance regression with missing TBB dependency [#970](https://github.com/AntaresSimulatorTeam/antares-xpansion/pull/970)
+* Add script to convert markdown docs for support in xwiki [#973](https://github.com/AntaresSimulatorTeam/antares-xpansion/pull/973)
 
 ### New Contributors
 * @pet-mit made their first contribution in https://github.com/AntaresSimulatorTeam/antares-xpansion/pull/944
 
-**Full Changelog**: https://github.com/AntaresSimulatorTeam/antares-xpansion/compare/v1.3.2...v1.4.0-rc1
+**Full Changelog**: https://github.com/AntaresSimulatorTeam/antares-xpansion/compare/v1.3.2...v1.4.0-rc3
 
 v1.3.2 (07/2024)
 --------------------------------------------------------