The Amazon Aurora MySQL-Compatible Edition version 8.4.8 became generally available with improvements including support for PQ-TLS key exchange, which offers post-quantum cryptography options to enhance in-transit data security. Additional features include transaction timeout to mitigate issues from long-running transactions, multiple-source replication to consolidate data streams, and delayed replication to protect against inadvertent data loss.
Aurora MySQL remains designed for high availability and global scale while maintaining full MySQL compatibility. The 8.4.8 release supports automatic minor version upgrades and can be deployed across all AWS regions where Aurora MySQL is available, allowing users to integrate new security and replication capabilities into their database workloads systematically.
Source & further reading
Amazon Aurora MySQL 8.4.8 (compatible with MySQL 8.4.8) is now generally available ↗Source published 2026-09-03. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.