| ⇢ | C | utf8_decompose() added | |
| ⇢ | B | utf8_default_ignorables() added | |
| ⇢ | B | utf8_strtoupper_maps() added | |
| ⇢ | B | utf8_strtolower_maps() added | |
| ⇢ | B | utf8_casefold_maps() added | |
| ⇢ | B | normalize_iri() added | |
| ⇢ | A | utf8_normalize_kc_casefold() added | |
| ⇢ | A | parse_iri() added | |
| ⇢ | A | utf8_casefold() added | |
| A | ↘ | B | iri_to_url() got worse |
| A | ↘ | B | url_to_iri() got worse |
| B | ↗ | A | utf8_strtolower() improved |
| B | ↗ | A | utf8_strtoupper() improved |
| C | ↗ | A | utf8_normalize_d() improved |
| A | ↛ | FindCorsBaseUrl() removed |