Aerospike has announced the release of Aerospike Database 5.4, which will be available in January 2021. The update focuses on usability improvements and modest memory usage enhancements. Key changes include the ability to fetch Feature Keys via HashiCorp Vault or environment variables, making XDR Filter Expressions human-readable, and minor features such as altered logging levels for scans and policy violations in CDT, HLL, and bitwise operations. Additionally, memory usage has been reduced for in-memory namespaces when XDR bin shipping is not enabled.