Amazon Corretto 27 is now generally available
News
This article announces the general availability of Amazon Corretto 27, a free, multi-platform OpenJDK distribution supported through April 2027.
- G1 becomes the default garbage collector across all environments for consistent performance
- Post-quantum hybrid key exchange added to TLS 1.3 for quantum computing threat protection
- Compact object headers reduce Java object memory footprint by default
- JFR in-process data redaction protects sensitive profiling and diagnostic data
- Enhanced pattern matching extends support for primitive types in patterns and switch statements
- Structured concurrency API refinements improve task grouping and error handling
- Lazy constants API defers immutable data initialization for performance benefits
- Vector API improvements enhance high-performance mathematical operations
Corretto 27 is available for Linux, Windows, and macOS, providing production-ready Java with modern performance and security enhancements.
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