Updated

Author: dazoulay-simplicite

content/CTG_99_versions/CTG_10_release-notes/LSN_50_v5-3/v5-3.md

@@ -942,4 +942,5 @@ Post-release <span id="postrelease"></span>
 
 ### 5.3.66 (UNDEFINED) - maintenance revision <span id="version-5.3.66"></span>
 
-- Nothing so far...
+- Backported major version check when importing a module: importing modules exported from
+  a higher major versions is now denied as it may have unexpected results

content/CTG_99_versions/CTG_10_release-notes/LSN_70_v6-1/v6-1.md

@@ -458,4 +458,5 @@ Post-release <span id="postrelease"></span>
 
 ### 6.1.26 (UNRELEASED) - maintenance revision <span id="version-6.1.26"></span>
 
-- Nothing so far...
+- Backported major version check when importing a module: importing modules exported from
+  a higher major versions is now denied as it may have unexpected results

content/CTG_99_versions/CTG_10_release-notes/LSN_80_v6-2/v6-2.md

@@ -390,4 +390,5 @@ Post-release <span id="postrelease"></span>
 
 ### 6.2.5 (UNRELEASED) <span id="version-6.2.5"></span>
 
-- Nothing so far...
+- Backported major version check when importing a module: importing modules exported from
+  a higher major versions is now denied as it may have unexpected results

content/CTG_99_versions/CTG_10_release-notes/LSN_90_v6-3/v6-3.md

@@ -27,7 +27,7 @@ Deprecated features to be removed in the next releases
 > Nothing so far...
 
 Features
--------------
+--------
 
 New features for the end-user
 
@@ -176,5 +176,14 @@ This is an issue in v6 where the characteristics of referenced fields may have a
 
 These referenced fields are thus now also ignored in these helper methods.
 
+### Major version check at module import
+
+A module exported from a higher major version for the platform (e.g. from the future major version 7)
+will now be refused for import as it may cause unexpected results.
+
+Importing modules exported from lower major version is still supported.
+
 Fixes
-------
+-----
+
+> Nothing so far...