| B | ↘ | F | Crawler got worse |
| A | ↛ | CrawlerProperties removed |
| ⇢ | A | Crawler::executeJavaScript() added | |
| ⇢ | A | Crawler::setConcurrency() added | |
| ⇢ | A | Crawler::setCrawlQueue() added | |
| ⇢ | A | Crawler::setCrawlObserver() added | |
| ⇢ | A | Crawler::doNotExecuteJavaScript() added | |
| ⇢ | A | Crawler::setCrawlObservers() added | |
| ⇢ | A | Crawler::setMaximumResponseSize() added | |
| ⇢ | A | Crawler::addCrawlObserver() added | |
| ⇢ | A | Crawler::setMaximumCrawlCount() added | |
| ⇢ | A | Crawler::setCrawlProfile() added | |
| ⋮ | view more | ||
| A | ↛ | CrawlerProperties::executeJavaScript() removed | |
| A | ↛ | CrawlerProperties::doNotExecuteJavaScript() removed | |
| A | ↛ | CrawlerProperties::setConcurrency() removed | |
| A | ↛ | CrawlerProperties::setMaximumResponseSize() removed | |
| A | ↛ | CrawlerProperties::setCrawlObserver() removed | |
| A | ↛ | CrawlerProperties::setCrawlObservers() removed | |
| A | ↛ | CrawlerProperties::setMaximumCrawlCount() removed | |
| A | ↛ | CrawlerProperties::addCrawlObserver() removed | |
| A | ↛ | CrawlerProperties::setCrawlProfile() removed | |
| A | ↛ | CrawlerProperties::setMaximumDepth() removed | |
| ⋮ | view more | ||