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Amazon Aurora MySQL 8.4 is now generally available

Database Blog

This article announces the general availability of Amazon Aurora MySQL 8.4, compatible with community MySQL 8.4.7, introducing a simplified versioning model and enhanced security features.

  • Aurora MySQL versions now align directly with community MySQL Long Term Support releases
  • New versioning structure: 8.4 (major) + minor version, with AWS managing patches automatically
  • Enhanced security defaults: caching_sha2_password authentication, TLS 1.2/1.3 enforced, modern cipher suites only
  • Password validation component customizable through DB cluster parameter groups
  • Automated upgrade prechecks identify compatibility issues before major version upgrades
  • Multiple upgrade paths: Blue/Green Deployments, in-place upgrade, snapshot restore, AWS DMS, Percona XtraBackup
  • Replication terminology updated; legacy stored procedures removed in Aurora MySQL 8.4
  • Available in all AWS Regions where Aurora MySQL is supported

Aurora MySQL 8.4 simplifies version management, strengthens security posture, and provides flexible upgrade options for production workloads.

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