CHANGELOG
=========

3.3.0
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 * [EXPERIMENTAL] added CacheItem::getPreviousTags() to get bound tags coming from the pool storage if any
 * added PSR-16 "Simple Cache" implementations for all existing PSR-6 adapters
 * added Psr6Cache and SimpleCacheAdapter for bidirectional interoperability between PSR-6 and PSR-16
 * added MemcachedAdapter (PSR-6) and MemcachedCache (PSR-16)
 * added TraceableAdapter (PSR-6) and TraceableCache (PSR-16)

3.2.0
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 * added TagAwareAdapter for tags-based invalidation
 * added PdoAdapter with PDO and Doctrine DBAL support
 * added PhpArrayAdapter and PhpFilesAdapter for OPcache-backed shared memory storage (PHP 7+ only)
 * added NullAdapter

3.1.0
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 * added the component with strict PSR-6 implementations
 * added ApcuAdapter, ArrayAdapter, FilesystemAdapter and RedisAdapter
 * added AbstractAdapter, ChainAdapter and ProxyAdapter
 * added DoctrineAdapter and DoctrineProvider for bidirectional interoperability with Doctrine Cache
