Enhancements to Amazon RDS for MySQL: Introducing Support for Minor Versions 8.0.43 and 8.4.6
August 1, 2025 – Seattle, WA – Amazon Web Services (AWS) is pleased to announce expanded support for Amazon Relational Database Service (RDS) for MySQL, now featuring the latest minor versions 8.0.43 and 8.4.6. This update underscores AWS’s commitment to providing customers with access to the most current and robust database technologies, enabling them to build and scale their applications with confidence.
The introduction of support for MySQL 8.0.43 and 8.4.6 on Amazon RDS brings a host of valuable improvements and enhancements for users. These minor versions are carefully selected to deliver incremental benefits while maintaining the stability and reliability that Amazon RDS is known for.
Key Benefits and Improvements:
- Enhanced Performance: As with most minor version updates, these releases often include performance optimizations. Customers can anticipate potential improvements in query execution, connection handling, and overall database throughput, contributing to a more efficient and responsive application experience.
- Security Patches and Vulnerability Fixes: A primary focus of minor version releases is addressing any newly discovered security vulnerabilities and applying crucial patches. By adopting these updated versions, customers can ensure their databases are protected with the latest security measures, mitigating potential risks and strengthening their security posture.
- Bug Fixes and Stability Enhancements: Both MySQL 8.0.43 and 8.4.6 incorporate resolutions for various reported bugs and stability issues that may have been present in earlier versions. This commitment to bug fixing leads to a more reliable and predictable database environment, reducing the likelihood of unexpected behavior or downtime.
- New Features and Improvements within the MySQL 8.0 Series: While these are minor version updates, they often include the gradual introduction of new features or refinements to existing functionalities that were developed and stabilized in the broader MySQL 8.0 ecosystem. This allows customers to leverage advancements in areas such as JSON support, window functions, and improved authentication mechanisms.
- Ease of Adoption: Amazon RDS simplifies the process of adopting these new minor versions. Customers can seamlessly upgrade their existing MySQL instances to either 8.0.43 or 8.4.6 with minimal disruption, often through straightforward maintenance operations. This allows for a gradual and controlled adoption of the latest capabilities.
Who Should Consider Upgrading?
This update is particularly beneficial for:
- New Deployments: Developers and organizations initiating new projects can leverage these latest minor versions from the outset, ensuring they benefit from the most up-to-date features and security.
- Existing Amazon RDS for MySQL Users: Customers currently running MySQL instances on Amazon RDS are strongly encouraged to evaluate and plan for an upgrade to either 8.0.43 or 8.4.6. This is an excellent opportunity to benefit from the performance, security, and stability enhancements.
- Users Requiring Specific Bug Fixes or Features: If your current MySQL version is experiencing specific issues that have been resolved in these new minor versions, or if you are eager to utilize specific improvements available in these releases, then an upgrade is highly recommended.
Getting Started:
Customers can create new Amazon RDS for MySQL instances with versions 8.0.43 and 8.4.6 directly through the AWS Management Console, AWS CLI, or the RDS API. For existing instances, upgrading is a managed process that can be initiated during a maintenance window. AWS strongly advises testing upgrades in a staging environment before applying them to production databases.
The availability of MySQL 8.0.43 and 8.4.6 on Amazon RDS reinforces AWS’s dedication to providing a comprehensive and evolving database platform. These updates empower customers to build, deploy, and scale their applications with greater efficiency, security, and reliability.
For more detailed information on these updates and how to perform an upgrade, please refer to the official AWS documentation and release notes.
Amazon RDS for MySQL now supports new minor versions 8.0.43 and 8.4.6
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