JDK 15

JDK 15 is the open-source reference implementation of version 15 of the Java SE Platform, as specified by by JSR 390 in the Java Community Process.

JDK 15 reached General Availability on 15 September 2020. Production-ready binaries under the GPL are available from Oracle; binaries from other vendors will follow shortly.

The features and schedule of this release were proposed and tracked via the JEP Process, as amended by the JEP 2.0 proposal. The release was produced using the JDK Release Process (JEP 3).

Features

339:	Edwards-Curve Digital Signature Algorithm (EdDSA)
360:	Sealed Classes (Preview)
371:	Hidden Classes
372:	Remove the Nashorn JavaScript Engine
373:	Reimplement the Legacy DatagramSocket API
374:	Disable and Deprecate Biased Locking
375:	Pattern Matching for instanceof (Second Preview)
377:	ZGC: A Scalable Low-Latency Garbage Collector
378:	Text Blocks
379:	Shenandoah: A Low-Pause-Time Garbage Collector
381:	Remove the Solaris and SPARC Ports
383:	Foreign-Memory Access API (Second Incubator)
384:	Records (Second Preview)
385:	Deprecate RMI Activation for Removal

Schedule

2020/06/11		Rampdown Phase One (fork from main line)
2020/07/16		Rampdown Phase Two
2020/08/06		Initial Release Candidate
2020/08/20		Final Release Candidate
2020/09/15		General Availability