Amazon DocumentDB (with MongoDB compatibility) now supports post-quantum TLS, wildcard indexes, and $unionWith in version 8.0.3

Amazon DocumentDB (with MongoDB compatibility) 8.0.3 adds hybrid post-quantum key exchange for TLS, wildcard indexes, the $unionWith aggregation stage, and new change stream events. Post-quantum TLS protects data in transit from traffic that is recorded today and decrypted later with a quantum computer. The new MongoDB APIs let you move more MongoDB workloads to Amazon DocumentDB without changing application code. What's new in 8.0.3: Post-quantum TLS: TLS 1.3 connections use hybrid key exchange based on the Module-Lattice-Based Key-Encapsulation Mechanism (ML-KEM) when the client supports it. Other clients keep using classical key exchange. Two new Amazon CloudWatch metrics, TLSHandshakesClassical and TLSHandshakesPostQuantum, count the handshakes of each type. Wildcard indexes: index every field, or every field under a path, to query documents with dynamic schemas. Aggregation: $unionWith combines results from multiple collections in one pipeline. $lookup and $graphLookup work in views, and correlated $lookup sub-pipelines accept $unionWith and $facet. Change streams: dropIndex() and dropIndexes() now emit dropIndexes events. Compression metrics: collStats and stats() report per-collection input bytes, output bytes, and compression ratio. Amazon DocumentDB 8.0.3 is available in all AWS Regions where Amazon DocumentDB is offered. To learn more, see the [Amazon DocumentDB Developer Guide](https://docs.aws.amazon.com/documentdb/latest/developerguide/).