Chapter 3. Differences from Red Hat build of OpenJDK 17

Red Hat build of OpenJDK 21 includes a number of enhancements that are not available in Red Hat build of OpenJDK 17, which is the previous long-term support (LTS) release.

For more information about the additional Java enhancement proposals (JEPs) that Red Hat build of OpenJDK 21 includes, see JEPs in JDK 21 integrated since JDK 17.