We are pleased to announce that Amazon ElastiCache now supports Memcached version 1.4.33. You can now launch new clusters with Memcached 1.4.33, as well as upgrade existing ones to the new version. Compared to version 1.4.24 (previous version supported by ElastiCache for Memcached), this version adds support for new commands and parameters, better management of large items (512 MB or higher), improved memory management (memory reclaim, dynamically increase memory available to Memcached), enhanced item log management, and miscellaneous bug fixes.