| ⇢ | A | ApcuStorage added |
| ⇢ | A | ApcuStorage::saveCompareAndSwap() added | |
| ⇢ | A | ApcuStorage::saveIfNotExists() added | |
| ⇢ | A | ApcuStorage::get() added | |
| ⇢ | A | SimpleCacheStorage::saveIfNotExists() added | |
| ⇢ | A | SimpleCacheStorage::saveCompareAndSwap() added | |
| ⇢ | A | ApcuStorage::__construct() added | |
| A | ↛ | SimpleCacheStorage::save() removed |