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aws AWS What's New · · 8.4.8

Amazon Aurora MySQL-Compatible Edition 8.4.8 is now Generally Available

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feature patch

Amazon Aurora MySQL-Compatible Edition 8.4 now supports MySQL 8.4.8, incorporating several security enhancements and bug fixes. This release introduces support for Post-Quantum TLS (PQ-TLS) key exchange for in-transit data encryption, alongside new multi-source and delayed replication capabilities. A transaction timeout feature helps prevent performance issues caused by long-running transactions. The update is available in all AWS Regions where Aurora MySQL is offered, with in-place, snapshot restore, and automatic minor version upgrade options.

  • →MySQL 8.4.8 Compatibility with Security and Bug Fixes
  • →Post-Quantum TLS (PQ-TLS) Key Exchange Support
  • →Enhanced Replication Capabilities
  • →Transaction Timeout and Flexible Upgrade Options
Features (3) ›
  • MySQL 8.4.8 Compatibility with Security and Bug Fixes

    Amazon Aurora MySQL-Compatible Edition 8.4 now supports MySQL 8.4.8, which includes several security enhancements and general bug fixes.

  • Post-Quantum TLS (PQ-TLS) Key Exchange Support

    The release adds support for Post-Quantum TLS (PQ-TLS) key exchange, providing advanced post-quantum cryptography options for encrypting data in-transit.

  • Enhanced Replication Capabilities

    New multi-source replication allows consolidating data from multiple sources into a single replica, while delayed replication provides a configurable lag to protect against accidental data loss.

Enhancements (1) ›
  • Transaction Timeout and Flexible Upgrade Options

    A new transaction timeout feature helps prevent performance issues caused by long-running transactions. Databases can be upgraded in-place, via snapshot restore, or through automatic minor version upgrades, with AWS Organizations Upgrade Rollout Policy available for orchestrating upgrades at scale.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/09/amazon-aurora-mysql-848-available/

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