DuckDB 1.4 adds on-disk encryption (AES-GCM-256/CTR-256) with key derivation, WAL and temporary-file encryption, and near-zero OpenSSL-backed performance impact, but it is not yet aligned with NIST standards.
A technical, code-centered narrative on extending MySQL with VillageSQL using a Roaring Bitmap extension, detailing templates, build steps, tests, and future cloud-hosting implications.