In July 2026, Amazon announced significant quarterly updates for Amazon Corretto, its no-cost, multi-platform production-ready distribution of OpenJDK. The focus of these updates is to bolster security and performance across various Long-Term Support (LTS) and Feature Release (FR) versions. This guide will provide a comprehensive overview of these updates, helping developers and organizations make informed decisions to improve their Java applications. We’ll cover the latest versions, migration recommendations, and essential insights that you need to harness the full potential of Amazon Corretto.
Table of Contents¶
- Overview of Amazon Corretto
- Latest Amazon Corretto Updates
- 2.1 Release Versions
- 2.2 Docker Image Changes
- What’s New in Corretto 26.0.2
- JavaFX Binaries Update
- Migration Recommendations
- Installing and Configuring Amazon Corretto
- 6.1 Installation on Linux
- 6.2 Installation on Windows
- Best Practices for Using Amazon Corretto
- Addressing Common Issues
- Feedback and Contributions
- Conclusion: Key Takeaways
Overview of Amazon Corretto¶
Amazon Corretto is designed to be a production-ready distribution of OpenJDK, providing developers with a reliable and robust Java environment that integrates seamlessly across various platforms. Unlike some other distributions, Amazon Corretto is backed by Amazon Web Services (AWS), ensuring regular updates, security patches, and stability improvements.
Key Features:¶
- No-cost, multi-platform: Corretto is available at no charge and can run on multiple operating systems, including Windows, macOS, and Linux.
- Performance enhancements: The Amazon team continuously improves Corretto with optimizations aimed at boosting application performance.
- Long-Term Support (LTS): Provides support through the lifecycle of multiple major Java versions.
Latest Amazon Corretto Updates¶
As of July 22, 2026, several versions of Amazon Corretto have received updates:
Release Versions¶
- Corretto 26.0.2
- Corretto 25.0.4
- Corretto 21.0.12
- Corretto 17.0.20
- Corretto 11.0.32
- Corretto 8u502
These version updates are crucial as they include essential security patches and critical improvements.
Docker Image Changes¶
The default Amazon Corretto Docker images will now be based on Amazon Linux 2023. This change enhances the security and performance of the Docker images, making it easier for developers to deploy and scale applications. For customers who are not yet ready to migrate, Amazon will continue to provide Amazon Linux 2 images as non-default options.
What’s New in Corretto 26.0.2¶
Security Enhancements¶
Corretto 26.0.2 incorporates several security fixes. Security vulnerabilities identified in earlier versions have been addressed, providing users with a more secure runtime for their Java applications. Ensuring that your applications use the latest Corretto version is essential to protect against potential security threats.
Performance Improvements¶
The 26.0.2 release also includes performance enhancements aimed at reducing memory usage and optimizing CPU performance. These improvements can lead to more responsive applications and better overall user experiences.
Compatibility Updates¶
The release ensures compatibility with the latest libraries and frameworks, aligning with best practices in software development, and allowing developers to seamlessly integrate new functionalities into their applications.
JavaFX Binaries Update¶
Starting from this release, JavaFX binaries will no longer be included with Corretto 8. Developers who rely on JavaFX for rich client applications are advised to explore migration recommendations available on Corretto’s GitHub page. This move aims to streamline the distribution and focus on enhancing the core Java functionalities of Corretto.
Migration Recommendations¶
Migrating to a newer version of Corretto is essential to take advantage of enhanced security, performance improvements, and new features. Here are some actionable steps:
- Assess Your Current Environment: Check which version of Corretto you are currently using and identify any dependencies.
- Test Compatibility: Before migrating, test your applications on the new version in a staging environment to identify any compatibility issues.
- Update Dependencies: Update any libraries or frameworks your application utilizes to ensure they are compatible with the new Corretto version.
- Monitor Performance: Post-migration, monitor application performance and error logs for anomalies that could indicate further adjustments may be necessary.
Installing and Configuring Amazon Corretto¶
To harness the full potential of Amazon Corretto, proper installation and configuration are crucial. Here’s a breakdown of how to install Corretto on various platforms.
Installation on Linux¶
Add the Amazon Corretto repository:
bash
sudo apt-get install -y wget
wget -qO – https://apt.corretto.aws/corretto.key | sudo apt-key add –
echo “deb https://apt.corretto.aws stable main” | sudo tee /etc/apt/sources.list.d/corretto.listInstall the desired Corretto version:
bash
sudo apt-get update
sudo apt-get install -y amazon-corretto-17Verify the Installation:
bash
java -version
Installation on Windows¶
Download the installer: Visit the Corretto downloads page and download the installer for Windows.
Run the Installer: Execute the installer, following the step-by-step installation prompts.
Set Environment Variables:
- Add Corretto’s
bindirectory to your system’sPATH. Set
JAVA_HOMEto the Corretto installation path.Verify the Installation:
Open Command Prompt and run:
bash
java -version
Best Practices for Using Amazon Corretto¶
Adopting best practices when working with Amazon Corretto ensures optimal performance and security. Here are several recommendations:
- Keep Your Version Updated: Regularly check for updates and security patches.
- Leverage Docker: Use Docker images for consistent deployments across different environments.
- Monitor Performance: Utilize monitoring tools to analyze application performance and identify bottlenecks.
- Test Thoroughly: Before deploying new updates, conduct thorough testing to catch any issues early.
Addressing Common Issues¶
While using Amazon Corretto, you might encounter common issues. Here’s how to address them:
Issue 1: Compatibility Errors¶
If certain libraries are not functioning correctly, it’s likely due to lingering compatibility issues. Check the library’s documentation for compatibility notes and update your code or libraries accordingly.
Issue 2: Security Vulnerabilities¶
If a security vulnerability is reported, follow the recommended action provided in the update notes and ensure your application is updated promptly.
Issue 3: Performance Issues¶
If you notice slow performance, review your code for inefficiencies and utilize profiling tools to pinpoint areas that need optimization.
Feedback and Contributions¶
Amazon encourages users to provide feedback and contribute to Corretto’s development. To share your experiences or ask questions, visit the Corretto GitHub page.
Conclusion: Key Takeaways¶
The quarterly updates for Amazon Corretto in July 2026 bring crucial security fixes, performance enhancements, and changes in Docker image configurations. Migrating to the latest versions is strongly advised for all users to ensure secure and performant Java applications.
Stay informed about future updates and continuously engage with the community to improve your usage of Amazon Corretto. By following the best practices outlined in this guide, you can optimize your development process and streamline your Java applications.
If you haven’t yet explored the benefits of Amazon Corretto or are still using older versions of Java, now is the perfect time to consider a transition.
For extra resources, multimedia recommendations, and a deeper dive into related topics, check out our blog posts on Java performance optimization and Docker deployment strategies.
Focus Keyphrase: Amazon Corretto July 2026 Quarterly Updates