diff --git a/docs/en_US/release_notes.rst b/docs/en_US/release_notes.rst
index eac730d22..6eb00634f 100644
--- a/docs/en_US/release_notes.rst
+++ b/docs/en_US/release_notes.rst
@@ -12,6 +12,7 @@ notes for it.
    :maxdepth: 1
 
 
+   release_notes_9_2
    release_notes_9_1
    release_notes_9_0
    release_notes_8_14
diff --git a/docs/en_US/release_notes_9_2.rst b/docs/en_US/release_notes_9_2.rst
new file mode 100644
index 000000000..191e09aef
--- /dev/null
+++ b/docs/en_US/release_notes_9_2.rst
@@ -0,0 +1,31 @@
+***********
+Version 9.2
+***********
+
+Release date: 2025-04-03
+
+This release contains a number of bug fixes and new features since the release of pgAdmin 4 v9.1.
+
+Supported Database Servers
+**************************
+**PostgreSQL**: 13, 14, 15, 16 and 17
+
+**EDB Advanced Server**: 13, 14, 15, 16 and 17
+
+Bundled PostgreSQL Utilities
+****************************
+**psql**, **pg_dump**, **pg_dumpall**, **pg_restore**: 17.2
+
+
+New features
+************
+
+
+Housekeeping
+************
+
+
+Bug fixes
+*********
+
+  | `Issue #8479 <https://github.com/pgadmin-org/pgadmin4/issues/8479>`_ -  Fixed an issue where the Schema Diff was not displaying the difference query when a table had a UNIQUE NULLS NOT DISTINCT constraint.
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/schema_diff_table_utils.py b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/schema_diff_table_utils.py
index 923811762..21becffca 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/schema_diff_table_utils.py
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/schema_diff_table_utils.py
@@ -219,7 +219,7 @@ class SchemaDiffTableCompare(SchemaDiffObjectCompare):
                              'unique_constraint': ['col_count',
                                                    'condeferrable',
                                                    'condeffered',
-                                                   'columns'],
+                                                   'columns', 'indnullsnotdistinct'],
                              'check_constraint': ['consrc'],
                              'exclude_constraint': ['amname',
                                                     'indconstraint',
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/index_constraint/sql/default/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/index_constraint/sql/default/update.sql
index 5b30e993a..79fac99c8 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/index_constraint/sql/default/update.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/index_constraint/sql/default/update.sql
@@ -13,7 +13,7 @@ ALTER INDEX {{ conn|qtIdent(data.schema, data.name) }}
 {% if data.fillfactor and data.fillfactor != o_data.fillfactor %}
 ALTER INDEX {{ conn|qtIdent(data.schema, data.name) }}
     SET (FILLFACTOR={{ data.fillfactor }});
-{% elif data.fillfactor is defined and data.fillfactor == '' %}
+{% elif data.fillfactor is defined and (data.fillfactor == '' or data.fillfactor != o_data.fillfactor) %}
 ALTER INDEX {{ conn|qtIdent(data.schema, data.name) }}
     RESET (FILLFACTOR);
 {% endif %}