Java 21 (Oracle JDK)

Java 21 (Oracle JDK) end of life: Premier Support runs until September 2028, and Extended Support until September 2031.

Status: Supported
Released: September 2023
Active support until: September 2028
Extended support until: September 2031
Extended support program: Oracle Extended Support (Java SE Subscription)
Long-term support release: Yes
Official lifecycle page: oracle.com
Checked on: September 29, 2026

Oracle released Java 21 in September 2023. Oracle Premier Support for it runs until September 2028, and Extended Support runs until September 2031. Oracle’s roadmap dates are for Oracle JDK customers with a commercial support contract: Premier Support, then Extended Support, then Sustaining Support with no end date. Oracle plans to ship Oracle JDK 21 updates from the October 2026 Critical Patch Update onward under the Java SE OTN license instead of the no-fee terms.

Product: Java (Oracle JDK)
Version: 21
Sources: Page URL
Oracle Java SE support roadmap https://www.oracle.com/java/technologies/java-se-support-roadmap.html

Page	URL
Oracle Java SE support roadmap	https://www.oracle.com/java/technologies/java-se-support-roadmap.html

Questions

When does Java 21 (Oracle JDK) reach end of life?

Oracle Premier Support for Java 21 (Oracle JDK) runs until September 2028, and Extended Support runs until September 2031. Sustaining Support follows with no end date.

Is Java 21 (Oracle JDK) still supported?

Yes. As of September 29, 2026, Java 21 (Oracle JDK) is supported, with Premier Support until September 2028.

When was Java 21 (Oracle JDK) released?

Java 21 (Oracle JDK) was released in September 2023.

Where do the Java 21 (Oracle JDK) dates come from?

From the vendor’s official pages (Oracle Java SE support roadmap), checked on September 29, 2026.

Sources

Every date comes from the vendor’s official lifecycle or release page: Microsoft Lifecycle and Windows release health, Ubuntu’s release cycle, Debian releases, the Python developer guide, the Node.js release schedule, php.net, Oracle’s Java SE support roadmap and Lifetime Support Policy, the .NET support policy, PostgreSQL versioning, Mozilla’s release calendar and Google’s Pixel update policy. Each record links its sources and shows the date they were checked.