The descriptions on this Release Notes page also identify potential compatibility issues that you might encounter when migrating to JDK 20. You should be aware of the content in the Java SE 20 ( JSR 395) specification as well as the items described in this page. The Java SE 20 Editions contain all corrections and clarifications made since the Java SE 17 Editions, as well as additions for new features. Informative background for these changes may be found in the list of approved Change Specification Requests for this release.Īnnex 3: Java SE 20 Editions of The Java Language Specification and

The Java SE 20 ( JSR 395) specification provides links to:Īnnex 1: The complete Java SE 20 API Specification.Īnnex 2: An annotated API specification showing the exact differences between Java SE 17 and Java SE 20. This page does not duplicate the descriptions provided by the Java SE 20 ( JSR 395) Platform Specification, which provides informative background for all specification changes and might also include the identification of removed or deprecated APIs and features not described here. In some cases, the descriptions provide links to additional detailed information about an issue or a change.

These notes describe important changes, enhancements, removed APIs and features, deprecated APIs and features, and other information about JDK 20 and Java SE 20. Differences Between Oracle JDK and OpenJDK.

Oracle open jdk