| ⇢ | A | .req_sha_item_validator added |
| ⇢ | B | doorstop.core.item.Item._hash_reference() added | |
| ⇢ | A | .req_sha_item_validator.item_validator() added | |
| ⇢ | A | doorstop.core.document.Document._import_validator(... added | |
| C | ↘ | F | doorstop.core.document.Document.get_issues() got worse |
| A | ↘ | B | doorstop.core.item.Item.review() got worse |