| F | ↗ | A | Schema improved |
| ⇢ | A | Schema::findTableComment() added | |
| B | ↘ | C | Schema::findConstraints() got worse |
| D | ↛ | Schema::findColumns() removed | |
| B | ↛ | Schema::loadTableConstraints() removed | |
| B | ↛ | Schema::loadColumnSchema() removed | |
| A | ↛ | Schema::getUniqueIndexInformation() removed | |
| A | ↛ | Schema::findUniqueIndexes() removed |