Amazon Corretto 27 is now generally available
Amazon Corretto 27 is now available for Linux, Windows, and macOS, supported through April 2027, with features like G1 as the default garbage collector, post-quantum hybrid key exchange for TLS 1.3, and compact object headers.
Amazon Corretto 27 is now generally available. Amazon Corretto is a free, multi-platform OpenJDK distribution downloadable on Linux, Windows, and macOS. Corretto 27 will be supported until April 2027. Key new features include setting G1 as the default garbage collector across all environments, supporting post-quantum hybrid key exchange with TLS 1.3, compacting object headers, and performing redaction of in-process data in JFR. It also offers preview and incubator features such as pattern matching for primitive types, structured concurrency, delayed constants, and the Vector API. Further details are available on the OpenJDK 27 project page. Amazon Corretto 27 is distributed under an open source license.
Why it matters
Amazon Corretto is an open-source OpenJDK distribution that helps developers and enterprises build reliable Java applications. This update adds new features to improve memory efficiency, security, and code simplicity.