| ⇢ | A | NotFoundException added | |
| ⇢ | A | ErrorException added | |
| ⇢ | A | ErrorDetector added | |
| A | ↛ | ResponseException removed |
| ⇢ | B | ErrorDetector::detect() added | |
| ⇢ | A | ErrorException::failed() added | |
| ⇢ | A | ErrorException::invalidResponse() added | |
| ⇢ | A | NotFoundException::page() added | |
| B | ↗ | A | Browser::request() improved |
| A | ↛ | ResponseException::failed() removed | |
| A | ↛ | ResponseException::invalidResponse() removed |