Amazon ElastiCache now supports Valkey 8.1, introducing new features such as native Bloom filter support, enhanced hash table implementation, and the COMMANDLOG feature for improved performance and observability. These updates aim to enhance application responsiveness while reducing infrastructure costs. The new version is available at no extra cost and allows for easy upgrades without downtime.

Vector search for Amazon ElastiCache is now generally available, allowing customers to index and search billions of high-dimensional vector embeddings with low latency and high recall. It is particularly useful for applications such as semantic caching for large language models, recommendation engines, and anomaly detection. Users can implement this feature on new or existing clusters by upgrading to Valkey version 8.2 at no additional cost.