JDK 21 and JDK 22: What We Know So Far
InfoQ, Monday, August 28,2023
JDK 21, the next Long-Term Support (LTS) release since JDK 17, has reached its initial release candidate phase as declared by Mark Reinhold, chief architect, Java Platform Group at Oracle. The main-line source repository, forked to the JDK stabilization repository in early-June 2023 (Rampdown
Phase One), defines the feature set for JDK 21. Critical bugs, such as regressions or serious functionality issues, may be addressed, but must be approved via the Fix-Request process.
As per the release schedule, JDK 21 will be formally released on September 19, 2023.
The final set of 15 new features, in the form of JEPs, can be separated into four (4) categories: Core Java Library, Java Language Specification, HotSpot and Security Library.