      supports_frame_range_fixed_distance = True
      supports_ignore_conflicts = False
      max_query_params = 2**16 - 1
      supports_partial_indexes = False
      supports_expression_indexes = True
      supports_slicing_ordering_in_compound = True
      allows_multiple_constraints_on_same_fields = False
      supports_boolean_expr_in_select_clause = False
      supports_primitives_in_json_field = False
      supports_json_field_contains = False
 
</s> remove     supports_expression_indexes = True
 </s> add  </s> remove     supports_expression_indexes = False
 </s> add     supports_expression_indexes = True </s> remove     supports_expression_indexes = True
 </s> add 
      supports_frame_range_fixed_distance = True
      supports_ignore_conflicts = False
      max_query_params = 2**16 - 1
      supports_partial_indexes = False

      supports_slicing_ordering_in_compound = True
      allows_multiple_constraints_on_same_fields = False
      supports_boolean_expr_in_select_clause = False
      supports_primitives_in_json_field = False
      supports_json_field_contains = False
keep keep keep keep replace keep keep keep keep keep
 Refs #26167 -- Changed default value of DatabaseFeatures.supports_expression_indexes to True. 
django/db/backends/oracle/features.py