diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index b3036cf8b844b52c11b233a2bd52b302c2a09229..f8e6c4d6105125f4f5899e245eeebe92d539f114 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -2,6 +2,10 @@
 
 Contact: <jacques.grelet@ird.fr>
 
+## v1.50RC3 (2019-01-29)
++ fix issue #1, samples do not display with harbor code
++ fix issue #4, add ISAS15 climatology
+
 ## v1.50RC2 (2019-01-15)
 
 + add a dialog box to download the m_map toolbox if it is not installed
diff --git a/tsg_util/tsg_preferences.m b/tsg_util/tsg_preferences.m
index 5797d99d1c17372668a9f1e8abd825a8c759a74f..00ba4a13ad3df5259ec1b0c37341e289ada180b5 100644
--- a/tsg_util/tsg_preferences.m
+++ b/tsg_util/tsg_preferences.m
@@ -154,7 +154,7 @@ return
     preference.fileExtension = ({'*.lbv';'*.nc';'*.arg';'*.ast';'*.btl';'*.ora';...
       '*.sdf';'*.spl'; '*.transmit*'; '*.tsgqc';'*.xml';'*.cnv'});
     % Climatology
-    preference.levitus_version       = {'WOA05','WOA13','ISAS13'};
+    preference.levitus_version       = {'WOA05','WOA13','ISAS13','ISAS15'};
     preference.levitus_value         = 3;  % ISAS13 as default
     preference.levitus_depth_string  = {'5','10'};
     preference.levitus_depth_value   = 2;
diff --git a/tsgqc.m b/tsgqc.m
index e75a846db7da274c2a5e9b3dff8ef77cbcffa834..7a1024c96ab205ac9186a4e238fe5aa68c471131 100644
--- a/tsgqc.m
+++ b/tsgqc.m
@@ -53,8 +53,8 @@ global DEFAULT_PATH_FILE
 % or modify the version number to load a new default structure
 % -------------------------------------------------------------------
 VERSION      = 1.50;  % -> 1.44
-CHAR_VERSION = '1.50RC2';
-DATE_VERSION = '01/15/2019';
+CHAR_VERSION = '1.50RC3';
+DATE_VERSION = '01/29/2019';
 
 % netcdf file version, see DATA FORMAT TSG document:
 % CORTSG_format_gosud.doc