| ⇢ | A | StorageDriver added | |
| A | ↛ | DriverAbstract removed | 
| ⇢ | A | StorageDriver::get() added | |
| ⇢ | A | StorageDriver::save() added | |
| ⇢ | A | StorageDriver::delete() added | |
| ⇢ | A | StorageDriver::clear() added | |
| ⇢ | A | StorageDriver::resetError() added | |
| ⇢ | A | CacheItem::setStrVal() added | |
| ⇢ | A | CacheItem::__toString() added | |
| ⇢ | A | StorageDriver::__construct() added | |
| ⇢ | A | StorageDriver::has() added | |
| ⇢ | A | StorageDriver::saveDeferred() added | |
| ⋮ | view more | ||
| A | ↘ | B | DriverAwareTrait::getDriver() got worse | 
| A | ↛ | DriverAbstract::__construct() removed | |
| A | ↛ | NullDriver::purge() removed | |