| ⇢ | A | ExtObj added |
| ⇢ | D | dtype_to_vtype() added | |
| ⇢ | B | _value_to_etree() added | |
| ⇢ | A | _extobj_to_etree() added | |
| ⇢ | A | ExtObj.__init__() added | |
| ⇢ | A | XMLParser._to_bool() added | |
| ⇢ | A | value_to_etree() added | |
| C | ↘ | D | XMLParser._parse_list_of_extension_object() got worse |
| A | ↛ | variant_to_etree() removed |