| ⇢ | B | AbstractRetriever::doRetrieve() added | |
| ⇢ | A | AbstractRetriever::urlParts() added | |
| ⇢ | A | AbstractRetriever::relativeToAbsoluteUrl() added | |
| ⇢ | A | AbstractRetriever::retrieveHistory() added | |
| A | ↘ | B | AbstractRetriever::recursiveRetrieve() got worse |
| B | ↗ | A | AbstractRetriever::retrieve() improved |