| A | ↘ | B | install.php ➔ template_admin_account() got worse |
| C | ↗ | B | upgrade.php ➔ template_serialize_json() improved |
| D | ↗ | C | upgrade.php ➔ template_upgrade_above() improved |
| B | ↘ | C | upgrade.php ➔ template_upgrade_complete() got worse |
| C | ↘ | D | install.php ➔ load_lang_file() got worse |