Overview
OpenJDK is the open-source reference implementation of the Java Platform, Standard Edition. Oracle leads the six-month JDK release cadence; community distributions (Amazon Corretto, Eclipse Temurin, etc.) build from OpenJDK sources.
Recent Developments
- 2026-09-15: JDK 27 GA — nine JEPs including post-quantum TLS 1.3, structured concurrency preview, compact object headers (2026-09-15-java-27-released)
- 18th consecutive on-time feature release; support until March 2027