Aerospike has released version 5.4, which is expected to be available in January 2021. This release focuses on foundational improvements and usability enhancements, particularly in operational contexts. The new version introduces features such as fetching Feature Keys from HashiCorp Vault or environment variables, human-readable XDR Expressions, and reduced memory usage for in-memory namespaces. Minor features include changes to logging levels, which aim to reduce log pollution, and improved memory efficiency. These improvements are designed to prepare the platform for future feature releases and enhance overall usability.