Java 21 will be released in September 2023. This will be an LTS release, two years after Java 17.
Status: Early access.
Page last updated: 2023-03-22, EA 14
Schedule: TBD
Resources:
Selected Changes Targeted to Java 21
New system property to toggle XML Signature secure validation mode (JDK-8301260)
System.exit and Runtime.exit() Logging (JDK-8301627)