What is Amazon Corretto 22?

Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK). Corretto comes with long-term support that includes performance enhancements and security fixes. Amazon runs Corretto internally on thousands of production services and Corretto is certified as compatible with the Java SE standard. With Corretto, you can develop and run Java applications on popular operating systems, including Linux, Windows, and macOS.

Amazon Corretto 22 is a Feature Release (FR) distribution of OpenJDK 22

This guide includes a list of patches applied to OpenJDK for this release of Amazon Corretto 22, and installation instructions for the platforms supported by this version.

Feature Release (FR)

FR includes Amazon's commitment to provide performance enhancements and security updates at no cost until the specified date for the relevant release version. Updates are planned to be released quarterly. Amazon also plans to apply urgent fixes (including security) outside of the regular quarterly cycle when they are available and ready to use.

For more information on FR timelines see the Corretto support calendar

Related information

In addition to this guide, see the following resources for developers:

• Amazon Corretto overview

• GitHub:

  • JDK Source

Contributing to the SDK

Developers can contribute feedback in the following ways:

• Submit issues on GitHub:

  • Report a bug or request a feature

• Submit pull requests in the JDK source GitHub repositories to contribute to the JDK development