diff --git a/docs/en_US/release_notes_6_10.rst b/docs/en_US/release_notes_6_10.rst
index 1e6d44106..dcf76b907 100644
--- a/docs/en_US/release_notes_6_10.rst
+++ b/docs/en_US/release_notes_6_10.rst
@@ -30,3 +30,4 @@ Bug fixes
   | `Issue #7388 <https://redmine.postgresql.org/issues/7388>`_ -  Fixed an issue where an error message fills the entire window if the query is long.
   | `Issue #7393 <https://redmine.postgresql.org/issues/7393>`_ -  Ensure that the editor position should not get changed once it is opened.
   | `Issue #7402 <https://redmine.postgresql.org/issues/7402>`_ -  Ensure that Dashboard graphs should be refreshed on changing the node from the browser tree.
+  | `Issue #7403 <https://redmine.postgresql.org/issues/7403>`_ -  Fixed an issue where comments on domain constraints were not visible when selecting a domain node.
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/domains/templates/domains/sql/9.2_plus/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/domains/templates/domains/sql/9.2_plus/create.sql
index 554d081de..6b66a4294 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/domains/templates/domains/sql/9.2_plus/create.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/domains/templates/domains/sql/9.2_plus/create.sql
@@ -17,6 +17,11 @@ ALTER DOMAIN {{ conn|qtIdent(data.basensp, data.name) }} OWNER TO {{ conn|qtIden
 
 ALTER DOMAIN {{ conn|qtIdent(data.basensp, data.name) }}
     ADD CONSTRAINT {{ conn|qtIdent(c.conname) }} CHECK ({{ c.consrc }}){% if not c.convalidated %} NOT VALID{% endif %}{% endif -%};
+
+{% if c.description %}
+COMMENT ON CONSTRAINT {{ conn|qtIdent(c.conname) }} ON DOMAIN {{ conn|qtIdent(data.basensp, data.name) }}
+    IS '{{ c.description }}';
+{% endif %}
 {% endfor -%}
 {% endif %}
 
diff --git a/web/pgadmin/tools/schema_diff/compare.py b/web/pgadmin/tools/schema_diff/compare.py
index 20174be45..aeeeea1e3 100644
--- a/web/pgadmin/tools/schema_diff/compare.py
+++ b/web/pgadmin/tools/schema_diff/compare.py
@@ -85,8 +85,9 @@ class SchemaDiffObjectCompare:
                 target = self.fetch_objects_to_compare(**target_params)
 
         # If both the dict have no items then return None.
-        if not (source or target) or (
-                len(source) <= 0 and len(target) <= 0):
+        if not (source or target) or not \
+            (isinstance(source, dict) and isinstance(target, dict)) or \
+                (len(source) <= 0 and len(target) <= 0):
             return None
 
         return compare_dictionaries(view_object=self,