diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index c3543676b0..4e02de010a 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -86,6 +86,21 @@ func Test_op_falsy()
       call assert_equal(456, [] ?? 456)
       call assert_equal(456, {} ?? 456)
       call assert_equal(456, 0.0 ?? 456)
+
+      call assert_equal(456, v:null ?? 456)
+      call assert_equal(456, v:none ?? 456)
+      call assert_equal(456, test_null_string() ?? 456)
+      call assert_equal(456, test_null_blob() ?? 456)
+      call assert_equal(456, test_null_list() ?? 456)
+      call assert_equal(456, test_null_dict() ?? 456)
+      call assert_equal(456, test_null_function() ?? 456)
+      call assert_equal(456, test_null_partial() ?? 456)
+      if has('job')
+        call assert_equal(456, test_null_job() ?? 456)
+      endif
+      if has('channel')
+        call assert_equal(456, test_null_channel() ?? 456)
+      endif
   END
   call v9.CheckLegacyAndVim9Success(lines)
 endfunc
diff --git a/src/version.c b/src/version.c
index 460b49b9e6..b81b734975 100644
--- a/src/version.c
+++ b/src/version.c
@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1500,
 /**/
     1499,
 /**/