Amazon DocumentDB 8.0.3 Brings Post-Quantum Security and MongoDB API Compatibility
Amazon DocumentDB now supports post-quantum TLS encryption, wildcard indexes, and the $unionWith aggregation stage in version 8.0.3, available across all AWS Regions. These updates let you run more MongoDB workloads on DocumentDB without rewriting your code, while protecting your data against future quantum threats.
source: [aws/whats-new]