| ⇢ | A | CacheResponse added |
| ⇢ | A | CacheResponse::getCacheStore() added | |
| ⇢ | A | CacheResponse::setCacheStore() added | |
| ⇢ | A | CacheResponse::getDefaultCacheDriver() added | |
| ⇢ | A | CacheResponse::cacheKey() added | |
| A | ↘ | B | RequestHandler::send() got worse |
| A | ↛ | IpClient::getDefaultCacheDriver() removed |